Remove duplicate

34 files changed, 0 insertions, 6311 deletions

diff --git a/buildscripts/texbuilder/Zend/Search/Exception.php b/buildscripts/texbuilder/Zend/Search/Exception.php
deleted file mode 100644
index e0aa2221..00000000
--- a/buildscripts/texbuilder/Zend/Search/Exception.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * Framework base exception
- */
-require_once 'Zend/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Exception extends Zend_Exception
-{}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene.php b/buildscripts/texbuilder/Zend/Search/Lucene.php
deleted file mode 100644
index 700a8b8a..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene.php
+++ /dev/null
@@ -1,569 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-/** Zend_Search_Lucene_Document */
-require_once 'Zend/Search/Lucene/Document.php';
-
-/** Zend_Search_Lucene_Storage_Directory */
-require_once 'Zend/Search/Lucene/Storage/Directory/Filesystem.php';
-
-/** Zend_Search_Lucene_Index_Term */
-require_once 'Zend/Search/Lucene/Index/Term.php';
-
-/** Zend_Search_Lucene_Index_TermInfo */
-require_once 'Zend/Search/Lucene/Index/TermInfo.php';
-
-/** Zend_Search_Lucene_Index_SegmentInfo */
-require_once 'Zend/Search/Lucene/Index/SegmentInfo.php';
-
-/** Zend_Search_Lucene_Index_FieldInfo */
-require_once 'Zend/Search/Lucene/Index/FieldInfo.php';
-
-/** Zend_Search_Lucene_Index_Writer */
-require_once 'Zend/Search/Lucene/Index/Writer.php';
-
-/** Zend_Search_Lucene_Search_QueryParser */
-require_once 'Zend/Search/Lucene/Search/QueryParser.php';
-
-/** Zend_Search_Lucene_Search_QueryHit */
-require_once 'Zend/Search/Lucene/Search/QueryHit.php';
-
-/** Zend_Search_Lucene_Search_Similarity */
-require_once 'Zend/Search/Lucene/Search/Similarity.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene
-{
-    /**
-     * File system adapter.
-     *
-     * @var Zend_Search_Lucene_Storage_Directory
-     */
-    private $_directory = null;
-
-    /**
-     * File system adapter closing option
-     *
-     * @var boolean
-     */
-    private $_closeDirOnExit = true;
-
-    /**
-     * Writer for this index, not instantiated unless required.
-     *
-     * @var Zend_Search_Lucene_Index_Writer
-     */
-    private $_writer = null;
-
-    /**
-     * Array of Zend_Search_Lucene_Index_SegmentInfo objects for this index.
-     *
-     * @var array Zend_Search_Lucene_Index_SegmentInfo
-     */
-    private $_segmentInfos = array();
-
-    /**
-     * Number of documents in this index.
-     *
-     * @var integer
-     */
-    private $_docCount = 0;
-
-
-    /**
-     * Opens the index.
-     *
-     * IndexReader constructor needs Directory as a parameter. It should be
-     * a string with a path to the index folder or a Directory object.
-     *
-     * @param mixed $directory
-     * @throws Zend_Search_Lucene_Exception
-     */
-    public function __construct($directory = null, $create = false)
-    {
-        if ($directory === null) {
-            throw new Zend_Search_Exception('No index directory specified');
-        }
-
-        if ($directory instanceof Zend_Search_Lucene_Storage_Directory_Filesystem) {
-            $this->_directory      = $directory;
-            $this->_closeDirOnExit = false;
-        } else {
-            $this->_directory      = new Zend_Search_Lucene_Storage_Directory_Filesystem($directory);
-            $this->_closeDirOnExit = true;
-        }
-
-        if ($create) {
-            $this->_writer = new Zend_Search_Lucene_Index_Writer($this->_directory, true);
-        } else {
-            $this->_writer = null;
-        }
-
-        $this->_segmentInfos = array();
-
-        $segmentsFile = $this->_directory->getFileObject('segments');
-
-        $format = $segmentsFile->readInt();
-
-        if ($format != (int)0xFFFFFFFF) {
-            throw new Zend_Search_Lucene_Exception('Wrong segments file format');
-        }
-
-        // read version
-        $segmentsFile->readLong();
-
-        // read counter
-        $segmentsFile->readInt();
-
-        $segments = $segmentsFile->readInt();
-
-        $this->_docCount = 0;
-
-        // read segmentInfos
-        for ($count = 0; $count < $segments; $count++) {
-            $segName = $segmentsFile->readString();
-            $segSize = $segmentsFile->readInt();
-            $this->_docCount += $segSize;
-
-            $this->_segmentInfos[$count] =
-                                new Zend_Search_Lucene_Index_SegmentInfo($segName,
-                                                                         $segSize,
-                                                                         $this->_directory);
-        }
-    }
-
-
-    /**
-     * Object destructor
-     */
-    public function __destruct()
-    {
-        $this->commit();
-
-        if ($this->_closeDirOnExit) {
-            $this->_directory->close();
-        }
-    }
-
-    /**
-     * Returns an instance of Zend_Search_Lucene_Index_Writer for the index
-     *
-     * @return Zend_Search_Lucene_Index_Writer
-     */
-    public function getIndexWriter()
-    {
-        if (!$this->_writer instanceof Zend_Search_Lucene_Index_Writer) {
-            $this->_writer = new Zend_Search_Lucene_Index_Writer($this->_directory);
-        }
-
-        return $this->_writer;
-    }
-
-
-    /**
-     * Returns the Zend_Search_Lucene_Storage_Directory instance for this index.
-     *
-     * @return Zend_Search_Lucene_Storage_Directory
-     */
-    public function getDirectory()
-    {
-        return $this->_directory;
-    }
-
-
-    /**
-     * Returns the total number of documents in this index.
-     *
-     * @return integer
-     */
-    public function count()
-    {
-        return $this->_docCount;
-    }
-
-
-    /**
-     * Performs a query against the index and returns an array
-     * of Zend_Search_Lucene_Search_QueryHit objects.
-     * Input is a string or Zend_Search_Lucene_Search_Query.
-     *
-     * @param mixed $query
-     * @return array ZSearchHit
-     */
-    public function find($query)
-    {
-        if (is_string($query)) {
-            $query = Zend_Search_Lucene_Search_QueryParser::parse($query);
-        }
-
-        if (!$query instanceof Zend_Search_Lucene_Search_Query) {
-            throw new Zend_Search_Lucene_Exception('Query must be a string or Zend_Search_Lucene_Search_Query object');
-        }
-
-        $this->commit();
-
-        $hits = array();
-        $scores = array();
-
-        $docNum = $this->count();
-        for( $count=0; $count < $docNum; $count++ ) {
-            $docScore = $query->score( $count, $this);
-            if( $docScore != 0 ) {
-                $hit = new Zend_Search_Lucene_Search_QueryHit($this);
-                $hit->id = $count;
-                $hit->score = $docScore;
-
-                $hits[] = $hit;
-                $scores[] = $docScore;
-            }
-        }
-        array_multisort($scores, SORT_DESC, SORT_REGULAR, $hits);
-
-        return $hits;
-    }
-
-
-    /**
-     * Returns a list of all unique field names that exist in this index.
-     *
-     * @param boolean $indexed
-     * @return array
-     */
-    public function getFieldNames($indexed = false)
-    {
-        $result = array();
-        foreach( $this->_segmentInfos as $segmentInfo ) {
-            $result = array_merge($result, $segmentInfo->getFields($indexed));
-        }
-        return $result;
-    }
-
-
-    /**
-     * Returns a Zend_Search_Lucene_Document object for the document
-     * number $id in this index.
-     *
-     * @param integer|Zend_Search_Lucene_Search_QueryHit $id
-     * @return Zend_Search_Lucene_Document
-     */
-    public function getDocument($id)
-    {
-        if ($id instanceof Zend_Search_Lucene_Search_QueryHit) {
-            /* @var $id Zend_Search_Lucene_Search_QueryHit */
-            $id = $id->id;
-        }
-
-        if ($id >= $this->_docCount) {
-            /**
-             * @todo exception here?
-             */
-            return null;
-        }
-
-        $segCount = 0;
-        $nextSegmentStartId = $this->_segmentInfos[ 0 ]->count();
-        while( $nextSegmentStartId <= $id ) {
-               $segCount++;
-               $nextSegmentStartId += $this->_segmentInfos[ $segCount ]->count();
-        }
-        $segmentStartId = $nextSegmentStartId - $this->_segmentInfos[ $segCount ]->count();
-
-        $fdxFile = $this->_segmentInfos[ $segCount ]->openCompoundFile('.fdx');
-        $fdxFile->seek( ($id-$segmentStartId)*8, SEEK_CUR );
-        $fieldValuesPosition = $fdxFile->readLong();
-
-        $fdtFile = $this->_segmentInfos[ $segCount ]->openCompoundFile('.fdt');
-        $fdtFile->seek( $fieldValuesPosition, SEEK_CUR );
-        $fieldCount = $fdtFile->readVInt();
-
-        $doc = new Zend_Search_Lucene_Document();
-        for( $count = 0; $count < $fieldCount; $count++ ) {
-            $fieldNum = $fdtFile->readVInt();
-            $bits = $fdtFile->readByte();
-
-            $fieldInfo = $this->_segmentInfos[ $segCount ]->getField($fieldNum);
-
-            if( !($bits & 2) ) { // Text data
-                $field = new Zend_Search_Lucene_Field($fieldInfo->name,
-                                                      $fdtFile->readString(),
-                                                      true,
-                                                      $fieldInfo->isIndexed,
-                                                      $bits & 1 );
-            } else {
-                $field = new Zend_Search_Lucene_Field($fieldInfo->name,
-                                                      $fdtFile->readBinary(),
-                                                      true,
-                                                      $fieldInfo->isIndexed,
-                                                      $bits & 1 );
-            }
-
-            $doc->addField($field);
-        }
-
-        return $doc;
-    }
-
-
-    /**
-     * Returns an array of all the documents which contain term.
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @return array
-     */
-    public function termDocs(Zend_Search_Lucene_Index_Term $term)
-    {
-        $result = array();
-        $segmentStartDocId = 0;
-
-        foreach ($this->_segmentInfos as $segInfo) {
-            $termInfo = $segInfo->getTermInfo($term);
-
-            if (!$termInfo instanceof Zend_Search_Lucene_Index_TermInfo) {
-                $segmentStartDocId += $segInfo->count();
-                continue;
-            }
-
-            $frqFile = $segInfo->openCompoundFile('.frq');
-            $frqFile->seek($termInfo->freqPointer,SEEK_CUR);
-            $docId = 0;
-            for( $count=0; $count < $termInfo->docFreq; $count++ ) {
-                $docDelta = $frqFile->readVInt();
-                if( $docDelta % 2 == 1 ) {
-                    $docId += ($docDelta-1)/2;
-                } else {
-                    $docId += $docDelta/2;
-                    // read freq
-                    $frqFile->readVInt();
-                }
-                $result[] = $segmentStartDocId + $docId;
-            }
-
-            $segmentStartDocId += $segInfo->count();
-        }
-
-        return $result;
-    }
-
-
-    /**
-     * Returns an array of all term positions in the documents.
-     * Return array structure: array( docId => array( pos1, pos2, ...), ...)
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @return array
-     */
-    public function termPositions(Zend_Search_Lucene_Index_Term $term)
-    {
-        $result = array();
-        $segmentStartDocId = 0;
-        foreach( $this->_segmentInfos as $segInfo ) {
-            $termInfo = $segInfo->getTermInfo($term);
-
-            if (!$termInfo instanceof Zend_Search_Lucene_Index_TermInfo) {
-                $segmentStartDocId += $segInfo->count();
-                continue;
-            }
-
-            $frqFile = $segInfo->openCompoundFile('.frq');
-            $frqFile->seek($termInfo->freqPointer,SEEK_CUR);
-            $freqs = array();
-            $docId = 0;
-
-            for( $count = 0; $count < $termInfo->docFreq; $count++ ) {
-                $docDelta = $frqFile->readVInt();
-                if( $docDelta % 2 == 1 ) {
-                    $docId += ($docDelta-1)/2;
-                    $freqs[ $docId ] = 1;
-                } else {
-                    $docId += $docDelta/2;
-                    $freqs[ $docId ] = $frqFile->readVInt();
-                }
-            }
-
-            $prxFile = $segInfo->openCompoundFile('.prx');
-            $prxFile->seek($termInfo->proxPointer,SEEK_CUR);
-            foreach ($freqs as $docId => $freq) {
-                $termPosition = 0;
-                $positions = array();
-
-                for ($count = 0; $count < $freq; $count++ ) {
-                    $termPosition += $prxFile->readVInt();
-                    $positions[] = $termPosition;
-                }
-                $result[ $segmentStartDocId + $docId ] = $positions;
-            }
-
-            $segmentStartDocId += $segInfo->count();
-        }
-
-        return $result;
-    }
-
-
-    /**
-     * Returns the number of documents in this index containing the $term.
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @return integer
-     */
-    public function docFreq(Zend_Search_Lucene_Index_Term $term)
-    {
-        $result = 0;
-        foreach ($this->_segmentInfos as $segInfo) {
-            $termInfo = $segInfo->getTermInfo($term);
-            if ($termInfo !== null) {
-                $result += $termInfo->docFreq;
-            }
-        }
-
-        return $result;
-    }
-
-
-    /**
-     * Retrive similarity used by index reader
-     *
-     * @return Zend_Search_Lucene_Search_Similarity
-     */
-    public function getSimilarity()
-    {
-        return Zend_Search_Lucene_Search_Similarity::getDefault();
-    }
-
-
-    /**
-     * Returns a normalization factor for "field, document" pair.
-     *
-     * @param integer $id
-     * @param string $fieldName
-     * @return Zend_Search_Lucene_Document
-     */
-    public function norm( $id, $fieldName )
-    {
-        if( $id >= $this->_docCount )
-            return null;
-
-        $segCount = 0;
-        $nextSegmentStartId = $this->_segmentInfos[ 0 ]->count();
-        while( $nextSegmentStartId <= $id ) {
-               $segCount++;
-               $nextSegmentStartId += $this->_segmentInfos[ $segCount ]->count();
-        }
-
-        $segmentStartId = $nextSegmentStartId - $this->_segmentInfos[ $segCount ]->count();
-
-        return $this->_segmentInfos[ $segCount ]->norm($id - $segmentStartId, $fieldName);
-    }
-
-
-    /**
-     * Adds a document to this index.
-     *
-     * @param Zend_Search_Lucene_Document $document
-     */
-    public function addDocument(Zend_Search_Lucene_Document $document)
-    {
-        if (!$this->_writer instanceof Zend_Search_Lucene_Index_Writer) {
-            $this->_writer = new Zend_Search_Lucene_Index_Writer($this->_directory);
-        }
-
-        $this->_writer->addDocument($document);
-    }
-
-
-    /**
-     * Commit changes resulting from delete() or undeleteAll() operations.
-     *
-     * @todo delete() and undeleteAll processing.
-     */
-    public function commit()
-    {
-        if ($this->_writer !== null) {
-            foreach ($this->_writer->commit() as $segmentName => $segmentInfo) {
-                if ($segmentInfo !== null) {
-                    $this->_segmentInfos[] = $segmentInfo;
-                    $this->_docCount += $segmentInfo->count();
-                } else {
-                    foreach ($this->_segmentInfos as $segId => $segInfo) {
-                        if ($segInfo->getName() == $segmentName) {
-                            unset($this->_segmentInfos[$segId]);
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-
-    /*************************************************************************
-    @todo UNIMPLEMENTED
-    *************************************************************************/
-
-    /**
-     * Returns an array of all terms in this index.
-     *
-     * @todo Implementation
-     * @return array
-     */
-    public function terms()
-    {
-        return array();
-    }
-
-
-    /**
-     * Returns true if any documents have been deleted from this index.
-     *
-     * @todo Implementation
-     * @return boolean
-     */
-    public function hasDeletions()
-    {
-        return false;
-    }
-
-
-    /**
-     * Deletes a document from the index.  $doc may contain a Zend_Search_Lucene_Document
-     * or the number of the document to delete.
-     *
-     * @todo Implementation
-     * @param mixed $item_to_del
-     */
-    public function delete($doc)
-    {}
-
-
-    /**
-     * Undeletes all documents currently marked as deleted in this index.
-     *
-     * @todo Implementation
-     */
-    public function undeleteAll()
-    {}
-}
\ No newline at end of file
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Analyzer.php b/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Analyzer.php
deleted file mode 100644
index 8e234c16..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Analyzer.php
+++ /dev/null
@@ -1,94 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Analysis_Token */
-require_once 'Zend/Search/Lucene/Analysis/Token.php';
-
-/** Zend_Search_Lucene_Analysis_Analyzer_Common_Text */
-require_once 'Zend/Search/Lucene/Analysis/Analyzer/Common/Text.php';
-
-/** Zend_Search_Lucene_Analysis_Analyzer_Common_Text_CaseInsensitive */
-require_once 'Zend/Search/Lucene/Analysis/Analyzer/Common/Text/CaseInsensitive.php';
-
-
-
-/**
- * An Analyzer is used to analyze text.
- * It thus represents a policy for extracting index terms from text.
- *
- * Note:
- * Lucene Java implementation is oriented to streams. It provides effective work
- * with a huge documents (more then 20Mb).
- * But engine itself is not oriented such documents.
- * Thus Zend_Search_Lucene analysis API works with data strings and sets (arrays).
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-abstract class Zend_Search_Lucene_Analysis_Analyzer
-{
-    /**
-     * The Analyzer implementation used by default.
-     *
-     * @var Zend_Search_Lucene_Analysis_Analyzer
-     */
-    static private $_defaultImpl;
-
-    /**
-     * Tokenize text to a terms
-     * Returns array of Zend_Search_Lucene_Analysis_Token objects
-     *
-     * @param string $data
-     * @return array
-     */
-    abstract public function tokenize($data);
-
-
-    /**
-     * Set the default Analyzer implementation used by indexing code.
-     *
-     * @param Zend_Search_Lucene_Analysis_Analyzer $similarity
-     */
-    static public function setDefault(Zend_Search_Lucene_Analysis_Analyzer $analyzer)
-    {
-        self::$_defaultImpl = $analyzer;
-    }
-
-
-    /**
-     * Return the default Analyzer implementation used by indexing code.
-     *
-     * @return Zend_Search_Lucene_Analysis_Analyzer
-     */
-    static public function getDefault()
-    {
-        if (!self::$_defaultImpl instanceof Zend_Search_Lucene_Analysis_Analyzer) {
-            self::$_defaultImpl = new Zend_Search_Lucene_Analysis_Analyzer_Common_Text_CaseInsensitive();
-        }
-
-        return self::$_defaultImpl;
-    }
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Token.php b/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Token.php
deleted file mode 100644
index a60d5d96..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/Token.php
+++ /dev/null
@@ -1,170 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage document
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Analysis_Token
-{
-    /**
-     * The text of the term.
-     *
-     * @var string
-     */
-    private $_termText;
-
-    /**
-     * Start in source text.
-     *
-     * @var integer
-     */
-    private $_startOffset;
-
-    /**
-     * End in source text
-     *
-     * @var integer
-     */
-    private $_endOffset;
-
-    /**
-     * Lexical type.
-     *
-     * @var string
-     */
-    private $_type;
-
-    /**
-     * The position of this token relative to the previous Token.
-     *
-     * The default value is one.
-     *
-     * Some common uses for this are:
-     * Set it to zero to put multiple terms in the same position.  This is
-     * useful if, e.g., a word has multiple stems.  Searches for phrases
-     * including either stem will match.  In this case, all but the first stem's
-     * increment should be set to zero: the increment of the first instance
-     * should be one.  Repeating a token with an increment of zero can also be
-     * used to boost the scores of matches on that token.
-     *
-     * Set it to values greater than one to inhibit exact phrase matches.
-     * If, for example, one does not want phrases to match across removed stop
-     * words, then one could build a stop word filter that removes stop words and
-     * also sets the increment to the number of stop words removed before each
-     * non-stop word.  Then exact phrase queries will only match when the terms
-     * occur with no intervening stop words.
-     *
-     * @var integer
-     */
-    private $_positionIncrement;
-
-
-    /**
-     * Object constructor
-     *
-     * @param string  $text
-     * @param integer $start
-     * @param integer $end
-     * @param string  $type
-     */
-    public function __construct($text, $start, $end, $type = 'word' )
-    {
-        $this->_termText    = $text;
-        $this->_startOffset = $start;
-        $this->_endOffset   = $end;
-        $this->_type        = $type;
-
-        $this->_positionIncrement = 1;
-    }
-
-
-    /**
-     * positionIncrement setter
-     *
-     * @param integer $positionIncrement
-     */
-    public function setPositionIncrement($positionIncrement)
-    {
-        $this->_positionIncrement = $positionIncrement;
-    }
-
-    /**
-     * Returns the position increment of this Token.
-     *
-     * @return integer
-     */
-    public function getPositionIncrement()
-    {
-        return $this->_positionIncrement;
-    }
-
-    /**
-     * Returns the Token's term text.
-     *
-     * @return string
-     */
-    public function getTermText()
-    {
-        return $this->_termText;
-    }
-
-    /**
-     * Returns this Token's starting offset, the position of the first character
-     * corresponding to this token in the source text.
-     *
-     * Note:
-     * The difference between getEndOffset() and getStartOffset() may not be equal
-     * to strlen(Zend_Search_Lucene_Analysis_Token::getTermText()), as the term text may have been altered
-     * by a stemmer or some other filter.
-     *
-     * @return integer
-     */
-    public function getStartOffset()
-    {
-        return $this->_startOffset;
-    }
-
-    /**
-     * Returns this Token's ending offset, one greater than the position of the
-     * last character corresponding to this token in the source text.
-     *
-     * @return integer
-     */
-    public function getEndOffset()
-    {
-        return $this->_endOffset;
-    }
-
-    /**
-     * Returns this Token's lexical type.  Defaults to 'word'.
-     *
-     * @return string
-     */
-    public function getType()
-    {
-        return $this->_type;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter.php b/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter.php
deleted file mode 100644
index 9ea5125f..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter.php
+++ /dev/null
@@ -1,45 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Analysis_Token */
-require_once 'Zend/Search/Lucene/Analysis/Token.php';
-
-
-/**
- * Token filter converts (normalizes) Token ore removes it from a token stream.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-abstract class Zend_Search_Lucene_Analysis_TokenFilter
-{
-    /**
-     * Normalize Token or remove it (if null is returned)
-     *
-     * @param Zend_Search_Lucene_Analysis_Token $srcToken
-     * @return Zend_Search_Lucene_Analysis_Token
-     */
-    abstract public function normalize(Zend_Search_Lucene_Analysis_Token $srcToken);
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter/LowerCase.php b/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter/LowerCase.php
deleted file mode 100644
index 53585e21..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Analysis/TokenFilter/LowerCase.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Analysis_TokenFilter */
-require_once 'Zend/Search/Lucene/Analysis/TokenFilter.php';
-
-
-/**
- * Lower case Token filter.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Analysis
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-class Zend_Search_Lucene_Analysis_TokenFilter_LowerCase extends Zend_Search_Lucene_Analysis_TokenFilter
-{
-    /**
-     * Normalize Token or remove it (if null is returned)
-     *
-     * @param Zend_Search_Lucene_Analysis_Token $srcToken
-     * @return Zend_Search_Lucene_Analysis_Token
-     */
-    public function normalize(Zend_Search_Lucene_Analysis_Token $srcToken)
-    {
-        $newToken = new Zend_Search_Lucene_Analysis_Token(strtolower( $srcToken->getTermText() ),
-                                     $srcToken->getStartOffset(),
-                                     $srcToken->getEndOffset(),
-                                     $srcToken->getType());
-
-        $newToken->setPositionIncrement($srcToken->getPositionIncrement());
-
-        return $newToken;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Document.php b/buildscripts/texbuilder/Zend/Search/Lucene/Document.php
deleted file mode 100644
index 29c0c2d9..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Document.php
+++ /dev/null
@@ -1,109 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage document
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Field */
-require_once 'Zend/Search/Lucene/Field.php';
-
-
-/**
- * A Document is a set of fields. Each field has a name and a textual value.
- *
- * @package    Zend_Search_Lucene
- * @subpackage document
- * @copyright  Copyright (c) 2005-2006 Zend Technologies Inc. (http://www.zend.com)
- * @license    Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Document
-{
-
-    /**
-     * Associative array Zend_Search_Lucene_Field objects where the keys to the
-     * array are the names of the fields.
-     *
-     * @var array
-     */
-    protected $_fields = array();
-
-    public $boost = 1.0;
-
-
-    /**
-     * Proxy method for getFieldValue(), provides more convenient access to
-     * the string value of a field.
-     *
-     * @param  $offset
-     * @return string
-     */
-	public function __get($offset)
-	{
-		return $this->getFieldValue($offset);
-	}
-
-
-    /**
-     * Add a field object to this document.
-     *
-     * @param Zend_Search_Lucene_Field $field
-     */
-    public function addField(Zend_Search_Lucene_Field $field)
-    {
-        $this->_fields[$field->name] = $field;
-    }
-
-
-    /**
-     * Return an array with the names of the fields in this document.
-     *
-     * @return array
-     */
-    public function getFieldNames()
-    {
-    	return array_keys($this->_fields);
-    }
-
-
-    /**
-     * Returns Zend_Search_Lucene_Field object for a named field in this document.
-     *
-     * @param string $fieldName
-     * @return Zend_Search_Lucene_Field
-     */
-    public function getField($fieldName)
-    {
-		if (!array_key_exists($fieldName, $this->_fields)) {
-			throw new Zend_Search_Lucene_Exception("Field name \"$fieldName\" not found in document.");
-		}
-        return $this->_fields[$fieldName];
-    }
-
-
-    /**
-     * Returns the string value of a named field in this document.
-     *
-     * @see __get()
-     * @return string
-     */
-    public function getFieldValue($fieldName)
-    {
-    	return $this->getField($fieldName)->stringValue;
-    }
-
-}
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Exception.php b/buildscripts/texbuilder/Zend/Search/Lucene/Exception.php
deleted file mode 100644
index 5f12c5f6..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Exception.php
+++ /dev/null
@@ -1,34 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * Framework base exception
- */
-require_once 'Zend/Search/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Exception extends Zend_Search_Exception
-{}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Field.php b/buildscripts/texbuilder/Zend/Search/Lucene/Field.php
deleted file mode 100644
index cce6bfce..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Field.php
+++ /dev/null
@@ -1,134 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage document
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * A field is a section of a Document.  Each field has two parts,
- * a name and a value. Values may be free text or they may be atomic
- * keywords, which are not further processed. Such keywords may
- * be used to represent dates, urls, etc.  Fields are optionally
- * stored in the index, so that they may be returned with hits
- * on the document.
- *
- * @package    Zend_Search_Lucene
- * @subpackage document
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Field
-{
-    public $kind;
-
-    public $name        = 'body';
-    public $stringValue = null;
-    public $isStored    = false;
-    public $isIndexed   = true;
-    public $isTokenized = true;
-    public $isBinary    = false;
-
-    public $storeTermVector = false;
-
-    public $boost = 1.0;
-
-    public function __construct($name, $stringValue, $isStored, $isIndexed, $isTokenized, $isBinary = false)
-    {
-        $this->name        = $name;
-        $this->stringValue = $stringValue;
-        $this->isStored    = $isStored;
-        $this->isIndexed   = $isIndexed;
-        $this->isTokenized = $isTokenized;
-        $this->isBinary    = $isBinary;
-
-        $this->storeTermVector = false;
-        $this->boost           = 1.0;
-    }
-
-
-    /**
-     * Constructs a String-valued Field that is not tokenized, but is indexed
-     * and stored.  Useful for non-text fields, e.g. date or url.
-     *
-     * @param string $name
-     * @param string $value
-     * @return Zend_Search_Lucene_Field
-     */
-    static public function Keyword($name, $value)
-    {
-        return new self($name, $value, true, true, false);
-    }
-
-
-    /**
-     * Constructs a String-valued Field that is not tokenized nor indexed,
-     * but is stored in the index, for return with hits.
-     *
-     * @param string $name
-     * @param string $value
-     * @return Zend_Search_Lucene_Field
-     */
-    static public function UnIndexed($name, $value)
-    {
-        return new self($name, $value, true, false, false);
-    }
-
-
-    /**
-     * Constructs a Binary String valued Field that is not tokenized nor indexed,
-     * but is stored in the index, for return with hits.
-     *
-     * @param string $name
-     * @param string $value
-     * @return Zend_Search_Lucene_Field
-     */
-    static public function Binary($name, $value)
-    {
-        return new self($name, $value, true, false, false, true);
-    }
-
-    /**
-     * Constructs a String-valued Field that is tokenized and indexed,
-     * and is stored in the index, for return with hits.  Useful for short text
-     * fields, like "title" or "subject". Term vector will not be stored for this field.
-     *
-     * @param string $name
-     * @param string $value
-     * @return Zend_Search_Lucene_Field
-     */
-    static public function Text($name, $value)
-    {
-        return new self($name, $value, true, true, true);
-    }
-
-
-    /**
-     * Constructs a String-valued Field that is tokenized and indexed,
-     * but that is not stored in the index.
-     *
-     * @param string $name
-     * @param string $value
-     * @return Zend_Search_Lucene_Field
-     */
-    static public function UnStored($name, $value)
-    {
-        return new self($name, $value, false, true, true);
-    }
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/FieldInfo.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/FieldInfo.php
deleted file mode 100644
index eaca4ecf..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/FieldInfo.php
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_FieldInfo
-{
-    public $name;
-    public $isIndexed;
-    public $number;
-    public $storeTermVector;
-
-    public function __construct( $name, $isIndexed, $number, $storeTermVector )
-    {
-        $this->name            = $name;
-        $this->isIndexed       = $isIndexed;
-        $this->number          = $number;
-        $this->storeTermVector = $storeTermVector;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentInfo.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentInfo.php
deleted file mode 100644
index f5c596a0..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentInfo.php
+++ /dev/null
@@ -1,412 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_SegmentInfo
-{
-    /**
-     * Number of docs in a segment
-     *
-     * @var integer
-     */
-    private $_docCount;
-
-    /**
-     * Segment name
-     *
-     * @var string
-     */
-    private $_name;
-
-    /**
-     * Term Dictionary Index
-     * Array of the Zend_Search_Lucene_Index_Term objects
-     * Corresponding Zend_Search_Lucene_Index_TermInfo object stored in the $_termDictionaryInfos
-     *
-     * @var array
-     */
-    private $_termDictionary;
-
-    /**
-     * Term Dictionary Index TermInfos
-     * Array of the Zend_Search_Lucene_Index_TermInfo objects
-     *
-     * @var array
-     */
-    private $_termDictionaryInfos;
-
-    /**
-     * Segment fields. Array of Zend_Search_Lucene_Index_FieldInfo objects for this segment
-     *
-     * @var array
-     */
-    private $_fields;
-
-    /**
-     * Field positions in a dictionary.
-     * (Term dictionary contains filelds ordered by names)
-     *
-     * @var array
-     */
-    private $_fieldsDicPositions;
-
-
-    /**
-     * Associative array where the key is the file name and the value is data offset
-     * in a compound segment file (.csf).
-     *
-     * @var array
-     */
-    private $_segFiles;
-
-    /**
-     * File system adapter.
-     *
-     * @var Zend_Search_Lucene_Storage_Directory_Filesystem
-     */
-    private $_directory;
-
-    /**
-     * Normalization factors.
-     * An array fieldName => normVector
-     * normVector is a binary string.
-     * Each byte corresponds to an indexed document in a segment and
-     * encodes normalization factor (float value, encoded by
-     * Zend_Search_Lucene_Search_Similarity::encodeNorm())
-     *
-     * @var array
-     */
-    private $_norms = array();
-
-    /**
-     * Zend_Search_Lucene_Index_SegmentInfo constructor needs Segmentname,
-     * Documents count and Directory as a parameter.
-     *
-     * @param string $name
-     * @param integer $docCount
-     * @param Zend_Search_Lucene_Storage_Directory $directory
-     */
-    public function __construct($name, $docCount, $directory)
-    {
-        $this->_name = $name;
-        $this->_docCount = $docCount;
-        $this->_directory = $directory;
-        $this->_termDictionary = null;
-
-        $this->_segFiles = array();
-        $cfsFile = $this->_directory->getFileObject($name . '.cfs');
-        $segFilesCount = $cfsFile->readVInt();
-
-        for ($count = 0; $count < $segFilesCount; $count++) {
-            $dataOffset = $cfsFile->readLong();
-            $fileName = $cfsFile->readString();
-            $this->_segFiles[$fileName] = $dataOffset;
-        }
-
-        $fnmFile = $this->openCompoundFile('.fnm');
-        $fieldsCount = $fnmFile->readVInt();
-        $fieldNames = array();
-        $fieldNums  = array();
-        $this->_fields = array();
-        for ($count=0; $count < $fieldsCount; $count++) {
-            $fieldName = $fnmFile->readString();
-            $fieldBits = $fnmFile->readByte();
-            $this->_fields[$count] = new Zend_Search_Lucene_Index_FieldInfo($fieldName,
-                                                                            $fieldBits & 1,
-                                                                            $count,
-                                                                            $fieldBits & 2 );
-            if ($fieldBits & 0x10) {
-                // norms are omitted for the indexed field
-                $this->_norms[$count] = str_repeat(chr(Zend_Search_Lucene_Search_Similarity::encodeNorm(1.0)), $docCount);
-            }
-
-            $fieldNums[$count]  = $count;
-            $fieldNames[$count] = $fieldName;
-        }
-        array_multisort($fieldNames, SORT_ASC, SORT_REGULAR, $fieldNums);
-        $this->_fieldsDicPositions = array_flip($fieldNums);
-    }
-
-    /**
-     * Opens index file stoted within compound index file
-     *
-     * @param string $extension
-     * @throws Zend_Search_Lucene_Exception
-     * @return Zend_Search_Lucene_Storage_File
-     */
-    public function openCompoundFile($extension)
-    {
-        $filename = $this->_name . $extension;
-
-        if( !isset($this->_segFiles[ $filename ]) ) {
-            throw new Zend_Search_Lucene_Exception('Index compound file doesn\'t contain '
-                                       . $filename . ' file.' );
-        }
-
-        $file = $this->_directory->getFileObject( $this->_name.".cfs" );
-        $file->seek( $this->_segFiles[ $filename ] );
-        return $file;
-    }
-
-    /**
-     * Returns field index or -1 if field is not found
-     *
-     * @param string $fieldName
-     * @return integer
-     */
-    public function getFieldNum($fieldName)
-    {
-        foreach( $this->_fields as $field ) {
-            if( $field->name == $fieldName ) {
-                return $field->number;
-            }
-        }
-
-        return -1;
-    }
-
-    /**
-     * Returns field info for specified field
-     *
-     * @param integer $fieldNum
-     * @return ZSearchFieldInfo
-     */
-    public function getField($fieldNum)
-    {
-        return $this->_fields[$fieldNum];
-    }
-
-    /**
-     * Returns array of fields.
-     * if $indexed parameter is true, then returns only indexed fields.
-     *
-     * @param boolean $indexed
-     * @return array
-     */
-    public function getFields($indexed = false)
-    {
-        $result = array();
-        foreach( $this->_fields as $field ) {
-            if( (!$indexed) || $field->isIndexed ) {
-                $result[ $field->name ] = $field->name;
-            }
-        }
-        return $result;
-    }
-
-    /**
-     * Returns the total number of documents in this segment.
-     *
-     * @return integer
-     */
-    public function count()
-    {
-        return $this->_docCount;
-    }
-
-
-    /**
-     * Loads Term dictionary from TermInfoIndex file
-     */
-    protected function _loadDictionary()
-    {
-        if ($this->_termDictionary !== null) {
-            return;
-        }
-
-        $this->_termDictionary = array();
-        $this->_termDictionaryInfos = array();
-
-        $tiiFile = $this->openCompoundFile('.tii');
-        $tiVersion = $tiiFile->readInt();
-        if ($tiVersion != (int)0xFFFFFFFE) {
-            throw new Zend_Search_Lucene_Exception('Wrong TermInfoIndexFile file format');
-        }
-
-        $indexTermCount = $tiiFile->readLong();
-                          $tiiFile->readInt();  // IndexInterval
-        $skipInterval   = $tiiFile->readInt();
-
-        $prevTerm     = '';
-        $freqPointer  =  0;
-        $proxPointer  =  0;
-        $indexPointer =  0;
-        for ($count = 0; $count < $indexTermCount; $count++) {
-            $termPrefixLength = $tiiFile->readVInt();
-            $termSuffix       = $tiiFile->readString();
-            $termValue        = substr( $prevTerm, 0, $termPrefixLength ) . $termSuffix;
-
-            $termFieldNum     = $tiiFile->readVInt();
-            $docFreq          = $tiiFile->readVInt();
-            $freqPointer     += $tiiFile->readVInt();
-            $proxPointer     += $tiiFile->readVInt();
-            if( $docFreq >= $skipInterval ) {
-                $skipDelta = $tiiFile->readVInt();
-            } else {
-                $skipDelta = 0;
-            }
-
-            $indexPointer += $tiiFile->readVInt();
-
-            $this->_termDictionary[] =  new Zend_Search_Lucene_Index_Term($termValue,$termFieldNum);
-            $this->_termDictionaryInfos[] =
-                new Zend_Search_Lucene_Index_TermInfo($docFreq, $freqPointer, $proxPointer, $skipDelta, $indexPointer);
-            $prevTerm = $termValue;
-        }
-    }
-
-
-    /**
-     * Return segment name
-     *
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->_name;
-    }
-
-
-    /**
-     * Scans terms dictionary and returns term info
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @return Zend_Search_Lucene_Index_TermInfo
-     */
-    public function getTermInfo($term)
-    {
-        $this->_loadDictionary();
-
-        $searchField = $this->getFieldNum($term->field);
-
-        if ($searchField == -1) {
-            return null;
-        }
-        $searchDicField = $this->_fieldsDicPositions[$searchField];
-
-        // search for appropriate value in dictionary
-        $lowIndex = 0;
-        $highIndex = count($this->_termDictionary)-1;
-        while ($highIndex >= $lowIndex) {
-            // $mid = ($highIndex - $lowIndex)/2;
-            $mid = ($highIndex + $lowIndex) >> 1;
-            $midTerm = $this->_termDictionary[$mid];
-
-            $delta = $searchDicField - $this->_fieldsDicPositions[$midTerm->field];
-            if ($delta == 0) {
-                $delta = strcmp($term->text, $midTerm->text);
-            }
-
-            if ($delta < 0) {
-                $highIndex = $mid-1;
-            } elseif ($delta > 0) {
-                $lowIndex  = $mid+1;
-            } else {
-                return $this->_termDictionaryInfos[$mid]; // We got it!
-            }
-        }
-
-        if ($highIndex == -1) {
-            // Term is out of the dictionary range
-            return null;
-        }
-
-        $prevPosition = $highIndex;
-        $prevTerm = $this->_termDictionary[$prevPosition];
-        $prevTermInfo = $this->_termDictionaryInfos[ $prevPosition ];
-
-        $tisFile = $this->openCompoundFile('.tis');
-        $tiVersion = $tisFile->readInt();
-        if ($tiVersion != (int)0xFFFFFFFE) {
-            throw new Zend_Search_Lucene_Exception('Wrong TermInfoFile file format');
-        }
-
-        $termCount     = $tisFile->readLong();
-        $indexInterval = $tisFile->readInt();
-        $skipInterval  = $tisFile->readInt();
-
-        $tisFile->seek($prevTermInfo->indexPointer - 20 /* header size*/, SEEK_CUR);
-
-        $termValue    = $prevTerm->text;
-        $termFieldNum = $prevTerm->field;
-        $freqPointer = $prevTermInfo->freqPointer;
-        $proxPointer = $prevTermInfo->proxPointer;
-        for ($count = $prevPosition*$indexInterval + 1;
-             $count < $termCount &&
-             ( $this->_fieldsDicPositions[ $termFieldNum ] < $searchDicField ||
-              ($this->_fieldsDicPositions[ $termFieldNum ] == $searchDicField &&
-               strcmp($termValue, $term->text) < 0) );
-             $count++) {
-            $termPrefixLength = $tisFile->readVInt();
-            $termSuffix       = $tisFile->readString();
-            $termFieldNum     = $tisFile->readVInt();
-            $termValue        = substr( $termValue, 0, $termPrefixLength ) . $termSuffix;
-
-            $docFreq      = $tisFile->readVInt();
-            $freqPointer += $tisFile->readVInt();
-            $proxPointer += $tisFile->readVInt();
-            if( $docFreq >= $skipInterval ) {
-                $skipOffset = $tisFile->readVInt();
-            } else {
-                $skipOffset = 0;
-            }
-        }
-
-        if ($termFieldNum == $searchField && $termValue == $term->text) {
-            return new Zend_Search_Lucene_Index_TermInfo($docFreq, $freqPointer, $proxPointer, $skipOffset);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Returns normalization factor for specified documents
-     *
-     * @param integer $id
-     * @param string $fieldName
-     * @return string
-     */
-    public function norm($id, $fieldName)
-    {
-        $fieldNum = $this->getFieldNum($fieldName);
-
-        if ( !($this->_fields[$fieldNum]->isIndexed) ) {
-            return null;
-        }
-
-        if ( !isset( $this->_norms[$fieldNum] )) {
-            $fFile = $this->openCompoundFile('.f' . $fieldNum);
-            $this->_norms[$fieldNum] = $fFile->readBytes($this->_docCount);
-        }
-
-        return Zend_Search_Lucene_Search_Similarity::decodeNorm( ord($this->_norms[$fieldNum]{$id}) );
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentWriter.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentWriter.php
deleted file mode 100644
index f90d6ed3..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/SegmentWriter.php
+++ /dev/null
@@ -1,491 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-/** Zend_Search_Lucene_Analysis_Analyzer */
-require_once 'Zend/Search/Lucene/Analysis/Analyzer.php';
-
-/** Zend_Search_Lucene_Index_SegmentInfo */
-require_once 'Zend/Search/Lucene/Index/SegmentInfo.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_SegmentWriter
-{
-    /**
-     * Expert: The fraction of terms in the "dictionary" which should be stored
-     * in RAM.  Smaller values use more memory, but make searching slightly
-     * faster, while larger values use less memory and make searching slightly
-     * slower.  Searching is typically not dominated by dictionary lookup, so
-     * tweaking this is rarely useful.
-     *
-     * @var integer
-     */
-    static public $indexInterval = 128;
-
-    /** Expert: The fraction of TermDocs entries stored in skip tables.
-     * Larger values result in smaller indexes, greater acceleration, but fewer
-     * accelerable cases, while smaller values result in bigger indexes,
-     * less acceleration and more
-     * accelerable cases. More detailed experiments would be useful here.
-     *
-     * 0x0x7FFFFFFF indicates that we don't use skip data
-     * Default value is 16
-     *
-     * @var integer
-     */
-    static public $skipInterval = 0x7FFFFFFF;
-
-    /**
-     * Number of docs in a segment
-     *
-     * @var integer
-     */
-    private $_docCount;
-
-    /**
-     * Segment name
-     *
-     * @var string
-     */
-    private $_name;
-
-    /**
-     * File system adapter.
-     *
-     * @var Zend_Search_Lucene_Storage_Directory
-     */
-    private $_directory;
-
-    /**
-     * List of the index files.
-     * Used for automatic compound file generation
-     *
-     * @var unknown_type
-     */
-    private $_files;
-
-    /**
-     * Term Dictionary
-     * Array of the Zend_Search_Lucene_Index_Term objects
-     * Corresponding Zend_Search_Lucene_Index_TermInfo object stored in the $_termDictionaryInfos
-     *
-     * @var array
-     */
-    private $_termDictionary;
-
-    /**
-     * Documents, which contain the term
-     *
-     * @var array
-     */
-    private $_termDocs;
-
-    /**
-     * Segment fields. Array of Zend_Search_Lucene_Index_FieldInfo objects for this segment
-     *
-     * @var array
-     */
-    private $_fields;
-
-    /**
-     * Normalization factors.
-     * An array fieldName => normVector
-     * normVector is a binary string.
-     * Each byte corresponds to an indexed document in a segment and
-     * encodes normalization factor (float value, encoded by
-     * Zend_Search_Lucene_Search_Similarity::encodeNorm())
-     *
-     * @var array
-     */
-    private $_norms;
-
-
-    /**
-     * '.fdx'  file - Stored Fields, the field index.
-     *
-     * @var Zend_Search_Lucene_Storage_File
-     */
-    private $_fdxFile;
-
-    /**
-     * '.fdx'  file - Stored Fields, the field data.
-     *
-     * @var Zend_Search_Lucene_Storage_File
-     */
-    private $_fdtFile;
-
-
-    /**
-     * Object constructor.
-     *
-     * @param Zend_Search_Lucene_Storage_Directory $directory
-     * @param string $name
-     */
-    public function __construct($directory, $name)
-    {
-        $this->_directory = $directory;
-        $this->_name      = $name;
-        $this->_docCount  = 0;
-
-        $this->_fields   = array();
-        $this->_termDocs = array();
-        $this->_files    = array();
-        $this->_norms    = array();
-
-        $this->_fdxFile = null;
-        $this->_fdtFile = null;
-    }
-
-
-    /**
-     * Add field to the segment
-     *
-     * @param Zend_Search_Lucene_Field $field
-     */
-    private function _addFieldInfo(Zend_Search_Lucene_Field $field)
-    {
-        if (!isset($this->_fields[$field->name])) {
-            $this->_fields[$field->name] =
-                                new Zend_Search_Lucene_Index_FieldInfo($field->name,
-                                                                       $field->isIndexed,
-                                                                       count($this->_fields),
-                                                                       $field->storeTermVector);
-        } else {
-            $this->_fields[$field->name]->isIndexed       |= $field->isIndexed;
-            $this->_fields[$field->name]->storeTermVector |= $field->storeTermVector;
-        }
-    }
-
-
-    /**
-     * Adds a document to this segment.
-     *
-     * @param Zend_Search_Lucene_Document $document
-     * @throws Zend_Search_Lucene_Exception
-     */
-    public function addDocument(Zend_Search_Lucene_Document $document)
-    {
-        $storedFields = array();
-
-        foreach ($document->getFieldNames() as $fieldName) {
-            $field = $document->getField($fieldName);
-            $this->_addFieldInfo($field);
-
-            if ($field->storeTermVector) {
-                /**
-                 * @todo term vector storing support
-                 */
-                throw new Zend_Search_Lucene_Exception('Store term vector functionality is not supported yet.');
-            }
-
-            if ($field->isIndexed) {
-                if ($field->isTokenized) {
-                    $tokenList = Zend_Search_Lucene_Analysis_Analyzer::getDefault()->tokenize($field->stringValue);
-                } else {
-                    $tokenList = array();
-                    $tokenList[] = new Zend_Search_Lucene_Analysis_Token($field->stringValue, 0, strlen($field->stringValue));
-                }
-
-                $position = 0;
-                foreach ($tokenList as $token) {
-                    $term = new Zend_Search_Lucene_Index_Term($token->getTermText(), $field->name);
-                    $termKey = $term->key();
-
-                    if (!isset($this->_termDictionary[$termKey])) {
-                        // New term
-                        $this->_termDictionary[$termKey] = $term;
-                        $this->_termDocs[$termKey] = array();
-                        $this->_termDocs[$termKey][$this->_docCount] = array();
-                    } else if (!isset($this->_termDocs[$termKey][$this->_docCount])) {
-                        // Existing term, but new term entry
-                        $this->_termDocs[$termKey][$this->_docCount] = array();
-                    }
-                    $position += $token->getPositionIncrement();
-                    $this->_termDocs[$termKey][$this->_docCount][] = $position;
-                }
-            }
-
-            if ($field->isStored) {
-                $storedFields[] = $field;
-            }
-        }
-
-        if (count($storedFields) != 0) {
-            if (!isset($this->_fdxFile)) {
-                $this->_fdxFile = $this->_directory->createFile($this->_name . '.fdx');
-                $this->_fdtFile = $this->_directory->createFile($this->_name . '.fdt');
-
-                $this->_files[] = $this->_name . '.fdx';
-                $this->_files[] = $this->_name . '.fdt';
-            }
-
-            $this->_fdxFile->writeLong($this->_fdtFile->tell());
-
-            $this->_fdtFile->writeVInt(count($storedFields));
-            foreach ($storedFields as $field) {
-                $this->_fdtFile->writeVInt($this->_fields[$field->name]->number);
-                $this->_fdtFile->writeByte($field->isTokenized ? 0x01 : 0x00 |
-                                           $field->isBinary ?    0x02 : 0x00 |
-                                           0x00 /* 0x04 - third bit, compressed (ZLIB) */ );
-                if ($field->isBinary) {
-                    $this->_fdtFile->writeVInt(strlen($field->stringValue));
-                    $this->_fdtFile->writeBytes($field->stringValue);
-                } else {
-                    $this->_fdtFile->writeString($field->stringValue);
-                }
-            }
-        }
-
-        $this->_docCount++;
-    }
-
-
-    /**
-     * Dump Field Info (.fnm) segment file
-     */
-    private function _dumpFNM()
-    {
-        $fnmFile = $this->_directory->createFile($this->_name . '.fnm');
-        $fnmFile->writeVInt(count($this->_fields));
-
-        foreach ($this->_fields as $field) {
-            $fnmFile->writeString($field->name);
-            $fnmFile->writeByte(($field->isIndexed       ? 0x01 : 0x00) |
-                                ($field->storeTermVector ? 0x02 : 0x00) |
-// not supported yet            0x04 /* term positions are stored with the term vectors */ |
-// not supported yet            0x08 /* term offsets are stored with the term vectors */   |
-/* not supported yet */         0x10 /* norms are omitted for the indexed field */
-                               );
-        }
-
-        $this->_files[] = $this->_name . '.fnm';
-    }
-
-
-    /**
-     * Dump Term Dictionary segment file entry.
-     * Used to write entry to .tis or .tii files
-     *
-     * @param Zend_Search_Lucene_Storage_File $dicFile
-     * @param Zend_Search_Lucene_Index_Term $prevTerm
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @param Zend_Search_Lucene_Index_TermInfo $prevTermInfo
-     * @param Zend_Search_Lucene_Index_TermInfo $termInfo
-     */
-    private function _dumpTermDictEntry(Zend_Search_Lucene_Storage_File $dicFile,
-                                        &$prevTerm,     Zend_Search_Lucene_Index_Term     $term,
-                                        &$prevTermInfo, Zend_Search_Lucene_Index_TermInfo $termInfo)
-    {
-        if (isset($prevTerm) && $prevTerm->field == $term->field) {
-            $prefixLength = 0;
-            while ($prefixLength < strlen($prevTerm->text) &&
-                   $prefixLength < strlen($term->text) &&
-                   $prevTerm->text{$prefixLength} == $term->text{$prefixLength}
-                  ) {
-                $prefixLength++;
-            }
-            // Write preffix length
-            $dicFile->writeVInt($prefixLength);
-            // Write suffix
-            $dicFile->writeString( substr($term->text, $prefixLength) );
-        } else {
-            // Write preffix length
-            $dicFile->writeVInt(0);
-            // Write suffix
-            $dicFile->writeString($term->text);
-        }
-        // Write field number
-        $dicFile->writeVInt($term->field);
-        // DocFreq (the count of documents which contain the term)
-        $dicFile->writeVInt($termInfo->docFreq);
-
-        $prevTerm = $term;
-
-        if (!isset($prevTermInfo)) {
-            // Write FreqDelta
-            $dicFile->writeVInt($termInfo->freqPointer);
-            // Write ProxDelta
-            $dicFile->writeVInt($termInfo->proxPointer);
-        } else {
-            // Write FreqDelta
-            $dicFile->writeVInt($termInfo->freqPointer - $prevTermInfo->freqPointer);
-            // Write ProxDelta
-            $dicFile->writeVInt($termInfo->proxPointer - $prevTermInfo->proxPointer);
-        }
-        // Write SkipOffset - it's not 0 when $termInfo->docFreq > self::$skipInterval
-        if ($termInfo->skipOffset != 0) {
-            $dicFile->writeVInt($termInfo->skipOffset);
-        }
-
-        $prevTermInfo = $termInfo;
-    }
-
-    /**
-     * Dump Term Dictionary (.tis) and Term Dictionary Index (.tii) segment files
-     */
-    private function _dumpDictionary()
-    {
-        $tisFile = $this->_directory->createFile($this->_name . '.tis');
-        $tisFile->writeInt((int)0xFFFFFFFE);
-        $tisFile->writeLong(count($this->_termDictionary));
-        $tisFile->writeInt(self::$indexInterval);
-        $tisFile->writeInt(self::$skipInterval);
-
-        $tiiFile = $this->_directory->createFile($this->_name . '.tii');
-        $tiiFile->writeInt((int)0xFFFFFFFE);
-        $tiiFile->writeLong((int)((count($this->_termDictionary) - 1)/self::$indexInterval) + 1);
-        $tiiFile->writeInt(self::$indexInterval);
-        $tiiFile->writeInt(self::$skipInterval);
-
-        $frqFile = $this->_directory->createFile($this->_name . '.frq');
-        $prxFile = $this->_directory->createFile($this->_name . '.prx');
-
-        $termKeys = array_keys($this->_termDictionary);
-        sort($termKeys, SORT_STRING);
-
-        $termCount = 0;
-
-        $prevTerm     = null;
-        $prevTermInfo = null;
-        $prevIndexTerm     = null;
-        $prevIndexTermInfo = null;
-        $prevIndexPosition = 0;
-
-        foreach ($termKeys as $termId) {
-            $freqPointer = $frqFile->tell();
-            $proxPointer = $prxFile->tell();
-
-            $prevDoc = 0;
-            foreach ($this->_termDocs[$termId] as $docId => $termPositions) {
-                $docDelta = ($docId - $prevDoc)*2;
-                $prevDoc = $docId;
-                if (count($termPositions) > 1) {
-                    $frqFile->writeVInt($docDelta);
-                    $frqFile->writeVInt(count($termPositions));
-                } else {
-                    $frqFile->writeVInt($docDelta + 1);
-                }
-
-                $prevPosition = 0;
-                foreach ($termPositions as $position) {
-                    $prxFile->writeVInt($position - $prevPosition);
-                    $prevPosition = $position;
-                }
-            }
-
-            if (count($this->_termDocs[$termId]) >= self::$skipInterval) {
-                /**
-                 * @todo Write Skip Data to a freq file.
-                 * It's not used now, but must be implemented to be compatible with Lucene
-                 */
-                $skipOffset = $frqFile->tell() - $freqPointer;
-            } else {
-                $skipOffset = 0;
-            }
-
-            $term = new Zend_Search_Lucene_Index_Term($this->_termDictionary[$termId]->text,
-                                                      $this->_fields[$this->_termDictionary[$termId]->field]->number);
-            $termInfo = new Zend_Search_Lucene_Index_TermInfo(count($this->_termDocs[$termId]),
-                                            $freqPointer, $proxPointer, $skipOffset);
-
-            $this->_dumpTermDictEntry($tisFile, $prevTerm, $term, $prevTermInfo, $termInfo);
-
-            if ($termCount % self::$indexInterval == 0) {
-                $this->_dumpTermDictEntry($tiiFile, $prevIndexTerm, $term, $prevIndexTermInfo, $termInfo);
-
-                $indexPosition = $tisFile->tell();
-                $tiiFile->writeVInt($indexPosition - $prevIndexPosition);
-                $prevIndexPosition = $indexPosition;
-            }
-            $termCount++;
-        }
-
-        $this->_files[] = $this->_name . '.tis';
-        $this->_files[] = $this->_name . '.tii';
-        $this->_files[] = $this->_name . '.frq';
-        $this->_files[] = $this->_name . '.prx';
-    }
-
-
-    /**
-     * Generate compound index file
-     */
-    private function _generateCFS()
-    {
-        $cfsFile = $this->_directory->createFile($this->_name . '.cfs');
-        $cfsFile->writeVInt(count($this->_files));
-
-        $dataOffsetPointers = array();
-        foreach ($this->_files as $fileName) {
-            $dataOffsetPointers[$fileName] = $cfsFile->tell();
-            $cfsFile->writeLong(0); // write dummy data
-            $cfsFile->writeString($fileName);
-        }
-
-        foreach ($this->_files as $fileName) {
-            // Get actual data offset
-            $dataOffset = $cfsFile->tell();
-            // Seek to the data offset pointer
-            $cfsFile->seek($dataOffsetPointers[$fileName]);
-            // Write actual data offset value
-            $cfsFile->writeLong($dataOffset);
-            // Seek back to the end of file
-            $cfsFile->seek($dataOffset);
-
-            $dataFile = $this->_directory->getFileObject($fileName);
-            $cfsFile->writeBytes($dataFile->readBytes($this->_directory->fileLength($fileName)));
-
-            $this->_directory->deleteFile($fileName);
-        }
-    }
-
-
-    /**
-     * Close segment, write it to disk and return segment info
-     *
-     * @return Zend_Search_Lucene_Index_SegmentInfo
-     */
-    public function close()
-    {
-        if ($this->_docCount == 0) {
-            return null;
-        }
-
-        $this->_dumpFNM();
-        $this->_dumpDictionary();
-
-        $this->_generateCFS();
-
-        return new Zend_Search_Lucene_Index_SegmentInfo($this->_name,
-                                                        $this->_docCount,
-                                                        $this->_directory);
-    }
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Term.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/Term.php
deleted file mode 100644
index e30ce587..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Term.php
+++ /dev/null
@@ -1,70 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * A Term represents a word from text.  This is the unit of search.  It is
- * composed of two elements, the text of the word, as a string, and the name of
- * the field that the text occured in, an interned string.
- *
- * Note that terms may represent more than words from text fields, but also
- * things like dates, email addresses, urls, etc.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_Term
-{
-    /**
-     * Field name or field number (depending from context)
-     *
-     * @var mixed
-     */
-    public $field;
-
-    /**
-     * Term value
-     *
-     * @var string
-     */
-    public $text;
-
-
-    /**
-     * @todo docblock
-     */
-    public function __construct( $text, $field = 'contents' )
-    {
-        $this->field = $field;
-        $this->text = $text;
-    }
-
-
-    /**
-     * @todo docblock
-     */
-    public function key()
-    {
-        return $this->field . chr(0) . $this->text;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/TermInfo.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/TermInfo.php
deleted file mode 100644
index ddef721d..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/TermInfo.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * A Zend_Search_Lucene_Index_TermInfo represents a record of information stored for a term.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_TermInfo
-{
-    /**
-     * The number of documents which contain the term.
-     *
-     * @var integer
-     */
-    public $docFreq;
-
-    /**
-     * Data offset in a Frequencies file.
-     *
-     * @var integer
-     */
-    public $freqPointer;
-
-    /**
-     * Data offset in a Positions file.
-     *
-     * @var integer
-     */
-    public $proxPointer;
-
-    /**
-     * ScipData offset in a Frequencies file.
-     *
-     * @var integer
-     */
-    public $skipOffset;
-
-    /**
-     * Term offset of the _next_ term in a TermDictionary file.
-     * Used only for Term Index
-     *
-     * @var integer
-     */
-    public $indexPointer;
-
-    public function __construct($docFreq, $freqPointer, $proxPointer, $skipOffset, $indexPointer = null)
-    {
-        $this->docFreq      = $docFreq;
-        $this->freqPointer  = $freqPointer;
-        $this->proxPointer  = $proxPointer;
-        $this->skipOffset   = $skipOffset;
-        $this->indexPointer = $indexPointer;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php b/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php
deleted file mode 100644
index da4af000..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Index/Writer.php
+++ /dev/null
@@ -1,308 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Index_SegmentWriter */
-require_once 'Zend/Search/Lucene/Index/SegmentWriter.php';
-
-/** Zend_Search_Lucene_Index_SegmentInfo */
-require_once 'Zend/Search/Lucene/Index/SegmentInfo.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Index
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Index_Writer
-{
-    /**
-     * @todo Implement segment merger
-     * @todo Implement mergeFactor, minMergeDocs, maxMergeDocs usage.
-     * @todo Implement Analyzer substitution
-     * @todo Implement Zend_Search_Lucene_Storage_DirectoryRAM and Zend_Search_Lucene_Storage_FileRAM to use it for
-     *       temporary index files
-     * @todo Directory lock processing
-     */
-
-    /**
-     * File system adapter.
-     *
-     * @var Zend_Search_Lucene_Storage_Directory
-     */
-    private $_directory = null;
-
-
-    /**
-     * Index version
-     * Counts how often the index has been changed by adding or deleting docs
-     *
-     * @var integer
-     */
-    private $_version;
-
-    /**
-     * Segment name counter.
-     * Used to name new segments .
-     *
-     * @var integer
-     */
-    private $_segmentNameCounter;
-
-    /**
-     * Number of the segments in the index
-     *
-     * @var inteher
-     */
-    private $_segments;
-
-    /**
-     * Determines how often segment indices
-     * are merged by addDocument().
-     *
-     * @var integer
-     */
-    public $mergeFactor;
-
-    /**
-     * Determines the minimal number of documents required before
-     * the buffered in-memory documents are merging and a new Segment
-     * is created.
-     *
-     * @var integer
-     */
-    public $minMergeDocs;
-
-    /**
-     * Determines the largest number of documents ever merged by addDocument().
-     *
-     * @var integer
-     */
-    public $maxMergeDocs;
-
-    /**
-     * List of the segments, created by index writer
-     * Array of Zend_Search_Lucene_Index_SegmentInfo objects
-     *
-     * @var array
-     */
-    private $_newSegments;
-
-    /**
-     * Current segment to add documents
-     *
-     * @var Zend_Search_Lucene_Index_SegmentWriter
-     */
-    private $_currentSegment;
-
-    /**
-     * Opens the index for writing
-     *
-     * IndexWriter constructor needs Directory as a parameter. It should be
-     * a string with a path to the index folder or a Directory object.
-     * Second constructor parameter create is optional - true to create the
-     * index or overwrite the existing one.
-     *
-     * @param Zend_Search_Lucene_Storage_Directory $directory
-     * @param boolean $create
-     */
-    public function __construct(Zend_Search_Lucene_Storage_Directory $directory, $create = false)
-    {
-        $this->_directory = $directory;
-
-        if ($create) {
-            foreach ($this->_directory->fileList() as $file) {
-                if ($file == 'deletable' ||
-                    $file == 'segments'  ||
-                    substr($file, strlen($file)-4) == '.cfs') {
-                        $this->_directory->deleteFile($file);
-                    }
-            }
-            $segmentsFile = $this->_directory->createFile('segments');
-            $segmentsFile->writeInt((int)0xFFFFFFFF);
-            // write version
-            $segmentsFile->writeLong(0);
-            // write name counter
-            $segmentsFile->writeInt(0);
-            // write segment counter
-            $segmentsFile->writeInt(0);
-
-            $deletableFile = $this->_directory->createFile('deletable');
-            // write counter
-            $deletableFile->writeInt(0);
-
-            $this->_version            = 0;
-            $this->_segmentNameCounter = 0;
-            $this->_segments           = 0;
-        } else {
-            $segmentsFile = $this->_directory->getFileObject('segments');
-            $format = $segmentsFile->readInt();
-            if ($format != (int)0xFFFFFFFF) {
-                throw new Zend_Search_Lucene_Exception('Wrong segments file format');
-            }
-
-            // read version
-            $this->_version            = $segmentsFile->readLong();
-            // read counter
-            $this->_segmentNameCounter = $segmentsFile->readInt();
-            // read segment counter
-            $this->_segments           = $segmentsFile->readInt();
-        }
-
-        $this->_newSegments = array();
-        $this->_currentSegment = null;
-    }
-
-    /**
-     * Adds a document to this index.
-     *
-     * @param Zend_Search_Lucene_Document $document
-     */
-    public function addDocument(Zend_Search_Lucene_Document $document)
-    {
-        if ($this->_currentSegment === null) {
-            $this->_currentSegment =
-                new Zend_Search_Lucene_Index_SegmentWriter($this->_directory, $this->_newSegmentName());
-        }
-        $this->_currentSegment->addDocument($document);
-        $this->_version++;
-    }
-
-
-
-    /**
-     * Update segments file by adding current segment to a list
-     * @todo !!!!!Finish the implementation
-     *
-     * @throws Zend_Search_Lucene_Exception
-     */
-    private function _updateSegments()
-    {
-        $segmentsFile   = $this->_directory->getFileObject('segments');
-        $newSegmentFile = $this->_directory->createFile('segments.new');
-
-        $newSegmentFile->writeInt((int)0xFFFFFFFF);
-        $newSegmentFile->writeLong($this->_version);
-        $newSegmentFile->writeInt($this->_segmentNameCounter);
-        $newSegmentFile->writeInt($this->_segments + count($this->_newSegments));
-
-        $segmentsFile->seek(20);
-        $newSegmentFile->writeBytes($segmentsFile->readBytes($this->_directory->fileLength('segments') - 20));
-
-        foreach ($this->_newSegments as $segmentName => $segmentInfo) {
-            $newSegmentFile->writeString($segmentName);
-            $newSegmentFile->writeInt($segmentInfo->count());
-        }
-
-        $this->_directory->renameFile('segments.new', 'segments');
-    }
-
-
-    /**
-     * Commit current changes
-     * returns array of new segments
-     *
-     * @return array
-     */
-    public function commit()
-    {
-        if ($this->_currentSegment !== null) {
-            $newSegment = $this->_currentSegment->close();
-            if ($newSegment !== null) {
-                $this->_newSegments[$newSegment->getName()] = $newSegment;
-            }
-            $this->_currentSegment = null;
-        }
-
-        if (count($this->_newSegments) != 0) {
-            $this->_updateSegments();
-        }
-
-        $result = $this->_newSegments;
-        $this->_newSegments = array();
-
-        return $result;
-    }
-
-
-    /**
-     * Merges the provided indexes into this index.
-     *
-     * @param array $readers
-     * @return void
-     */
-    public function addIndexes($readers)
-    {
-        /**
-         * @todo implementation
-         */
-    }
-
-
-    /**
-     * Returns the number of documents currently in this index.
-     *
-     * @return integer
-     */
-    public function docCount($readers)
-    {
-        /**
-         * @todo implementation
-         */
-    }
-
-
-    /**
-     * Flushes all changes to an index and closes all associated files.
-     *
-     */
-    public function close()
-    {
-        /**
-         * @todo implementation
-         */
-    }
-
-
-    /**
-     * Merges all segments together into a single segment, optimizing
-     * an index for search.
-     *
-     * return void
-     */
-    public function optimize()
-    {
-        /**
-         * @todo implementation
-         */
-    }
-
-    /**
-     * Get name for new segment
-     *
-     * @return string
-     */
-    private function _newSegmentName()
-    {
-        return '_' . base_convert($this->_segmentNameCounter++, 10, 36);
-    }
-
-}
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query.php
deleted file mode 100644
index dd8698e8..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query.php
+++ /dev/null
@@ -1,98 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-abstract class Zend_Search_Lucene_Search_Query
-{
-
-    /**
-     * query boost factor
-     *
-     * @var float
-     */
-    private $_boost = 1.0;
-
-    /**
-     * Query weight
-     *
-     * @var Zend_Search_Lucene_Search_Weight
-     */
-    protected $_weight;
-
-
-    /**
-     * Gets the boost for this clause.  Documents matching
-     * this clause will (in addition to the normal weightings) have their score
-     * multiplied by boost.   The boost is 1.0 by default.
-     *
-     * @return float
-     */
-    public function getBoost()
-    {
-        return $this->_boost;
-    }
-
-    /**
-     * Sets the boost for this query clause to $boost.
-     *
-     * @param float $boost
-     */
-    public function setBoost($boost)
-    {
-        $this->_boost = $boost;
-    }
-
-    /**
-     * Score specified document
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    abstract public function score($docId, $reader);
-
-    /**
-     * Constructs an appropriate Weight implementation for this query.
-     *
-     * @param Zend_Search_Lucene $reader
-     * @return Zend_Search_Lucene_Search_Weight
-     */
-    abstract protected function _createWeight($reader);
-
-    /**
-     * Constructs an initializes a Weight for a query.
-     *
-     * @param Zend_Search_Lucene $reader
-     */
-    protected function _initWeight($reader)
-    {
-        $this->_weight = $this->_createWeight($reader);
-        $sum = $this->_weight->sumOfSquaredWeights();
-        $queryNorm = $reader->getSimilarity()->queryNorm($sum);
-        $this->_weight->normalize($queryNorm);
-    }
-
-}
\ No newline at end of file
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/MultiTerm.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/MultiTerm.php
deleted file mode 100644
index 4a99c0f7..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/MultiTerm.php
+++ /dev/null
@@ -1,437 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_Query */
-require_once 'Zend/Search/Lucene/Search/Query.php';
-
-/** Zend_Search_Lucene_Search_Weight_MultiTerm */
-require_once 'Zend/Search/Lucene/Search/Weight/MultiTerm.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Query_MultiTerm extends Zend_Search_Lucene_Search_Query
-{
-
-    /**
-     * Terms to find.
-     * Array of Zend_Search_Lucene_Index_Term
-     *
-     * @var array
-     */
-    private $_terms = array();
-
-    /**
-     * Term signs.
-     * If true then term is required.
-     * If false then term is prohibited.
-     * If null then term is neither prohibited, nor required
-     *
-     * If array is null then all terms are required
-     *
-     * @var array
-     */
-
-    private $_signs = array();
-
-    /**
-     * Result vector.
-     * Bitset or array of document IDs
-     * (depending from Bitset extension availability).
-     *
-     * @var mixed
-     */
-    private $_resVector = null;
-
-    /**
-     * Terms positions vectors.
-     * Array of Arrays:
-     * term1Id => (docId => array( pos1, pos2, ... ), ...)
-     * term2Id => (docId => array( pos1, pos2, ... ), ...)
-     *
-     * @var array
-     */
-    private $_termsPositions = array();
-
-
-    /**
-     * A score factor based on the fraction of all query terms
-     * that a document contains.
-     * float for conjunction queries
-     * array of float for non conjunction queries
-     *
-     * @var mixed
-     */
-    private $_coord = null;
-
-
-    /**
-     * Terms weights
-     * array of Zend_Search_Lucene_Search_Weight
-     *
-     * @var array
-     */
-    private $_weights = array();
-
-
-    /**
-     * Class constructor.  Create a new multi-term query object.
-     *
-     * @param array $terms    Array of Zend_Search_Lucene_Index_Term objects
-     * @param array $signs    Array of signs.  Sign is boolean|null.
-     * @return void
-     */
-    public function __construct($terms = null, $signs = null)
-    {
-        /**
-         * @todo Check contents of $terms and $signs before adding them.
-         */
-        if (is_array($terms)) {
-            $this->_terms = $terms;
-
-            $this->_signs = null;
-            // Check if all terms are required
-            if (is_array($signs)) {
-                foreach ($signs as $sign ) {
-                    if ($sign !== true) {
-                        $this->_signs = $signs;
-                        continue;
-                    }
-                }
-            }
-        }
-    }
-
-
-    /**
-     * Add a $term (Zend_Search_Lucene_Index_Term) to this query.
-     *
-     * The sign is specified as:
-     *     TRUE  - term is required
-     *     FALSE - term is prohibited
-     *     NULL  - term is neither prohibited, nor required
-     *
-     * @param  Zend_Search_Lucene_Index_Term $term
-     * @param  boolean|null $sign
-     * @return void
-     */
-    public function addTerm(Zend_Search_Lucene_Index_Term $term, $sign=null) {
-        $this->_terms[] = $term;
-
-        /**
-         * @todo This is not good.  Sometimes $this->_signs is an array, sometimes
-         * it is null, even when there are terms.  It will be changed so that
-         * it is always an array.
-         */
-        if ($this->_signs === null) {
-            if ($sign !== null) {
-                $this->_signs = array();
-                foreach ($this->_terms as $term) {
-                    $this->_signs[] = null;
-                }
-                $this->_signs[] = $sign;
-            }
-        } else {
-            $this->_signs[] = $sign;
-        }
-    }
-
-
-    /**
-     * Returns query term
-     *
-     * @return array
-     */
-    public function getTerms()
-    {
-        return $this->_terms;
-    }
-
-
-    /**
-     * Return terms signs
-     *
-     * @return array
-     */
-    public function getSigns()
-    {
-        return $this->_signs;
-    }
-
-
-    /**
-     * Set weight for specified term
-     *
-     * @param integer $num
-     * @param Zend_Search_Lucene_Search_Weight_Term $weight
-     */
-    public function setWeight($num, $weight)
-    {
-        $this->_weights[$num] = $weight;
-    }
-
-
-    /**
-     * Constructs an appropriate Weight implementation for this query.
-     *
-     * @param Zend_Search_Lucene $reader
-     * @return Zend_Search_Lucene_Search_Weight
-     */
-    protected function _createWeight($reader)
-    {
-        return new Zend_Search_Lucene_Search_Weight_MultiTerm($this, $reader);
-    }
-
-
-    /**
-     * Calculate result vector for Conjunction query
-     * (like '+something +another')
-     *
-     * @param Zend_Search_Lucene $reader
-     */
-    private function _calculateConjunctionResult($reader)
-    {
-        if (extension_loaded('bitset')) {
-            foreach( $this->_terms as $termId=>$term ) {
-                if($this->_resVector === null) {
-                    $this->_resVector = bitset_from_array($reader->termDocs($term));
-                } else {
-                    $this->_resVector = bitset_intersection(
-                                $this->_resVector,
-                                bitset_from_array($reader->termDocs($term)) );
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-        } else {
-            foreach( $this->_terms as $termId=>$term ) {
-                if($this->_resVector === null) {
-                    $this->_resVector = array_flip($reader->termDocs($term));
-                } else {
-                    $termDocs = array_flip($reader->termDocs($term));
-                    foreach($this->_resVector as $key=>$value) {
-                        if (!isset( $termDocs[$key] )) {
-                            unset( $this->_resVector[$key] );
-                        }
-                    }
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-        }
-    }
-
-
-    /**
-     * Calculate result vector for non Conjunction query
-     * (like '+something -another')
-     *
-     * @param Zend_Search_Lucene $reader
-     */
-    private function _calculateNonConjunctionResult($reader)
-    {
-        if (extension_loaded('bitset')) {
-            $required   = null;
-            $neither    = bitset_empty();
-            $prohibited = bitset_empty();
-
-            foreach ($this->_terms as $termId => $term) {
-                $termDocs = bitset_from_array($reader->termDocs($term));
-
-                if ($this->_signs[$termId] === true) {
-                    // required
-                    if ($required !== null) {
-                        $required = bitset_intersection($required, $termDocs);
-                    } else {
-                        $required = $termDocs;
-                    }
-                } elseif ($this->_signs[$termId] === false) {
-                    // prohibited
-                    $prohibited = bitset_union($prohibited, $termDocs);
-                } else {
-                    // neither required, nor prohibited
-                    $neither = bitset_union($neither, $termDocs);
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-
-            if ($required === null) {
-                $required = $neither;
-            }
-            $this->_resVector = bitset_intersection( $required,
-                                                     bitset_invert($prohibited, $reader->count()) );
-        } else {
-            $required   = null;
-            $neither    = array();
-            $prohibited = array();
-
-            foreach ($this->_terms as $termId => $term) {
-                $termDocs = array_flip($reader->termDocs($term));
-
-                if ($this->_signs[$termId] === true) {
-                    // required
-                    if ($required !== null) {
-                        // substitute for bitset_intersection
-                        foreach ($required as $key => $value) {
-                            if (!isset( $termDocs[$key] )) {
-                                unset($required[$key]);
-                            }
-                        }
-                    } else {
-                        $required = $termDocs;
-                    }
-                } elseif ($this->_signs[$termId] === false) {
-                    // prohibited
-                    // substitute for bitset_union
-                    foreach ($termDocs as $key => $value) {
-                        $prohibited[$key] = $value;
-                    }
-                } else {
-                    // neither required, nor prohibited
-                    // substitute for bitset_union
-                    foreach ($termDocs as $key => $value) {
-                        $neither[$key] = $value;
-                    }
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-
-            if ($required === null) {
-                $required = $neither;
-            }
-
-            foreach ($required as $key=>$value) {
-                if (isset( $prohibited[$key] )) {
-                    unset($required[$key]);
-                }
-            }
-            $this->_resVector = $required;
-        }
-    }
-
-
-    /**
-     * Score calculator for conjunction queries (all terms are required)
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function _conjunctionScore($docId, $reader)
-    {
-        if ($this->_coord === null) {
-            $this->_coord = $reader->getSimilarity()->coord(count($this->_terms),
-                                                            count($this->_terms) );
-        }
-
-        $score = 0.0;
-
-        foreach ($this->_terms as $termId=>$term) {
-            $score += $reader->getSimilarity()->tf(count($this->_termsPositions[$termId][$docId]) ) *
-                      $this->_weights[$termId]->getValue() *
-                      $reader->norm($docId, $term->field);
-        }
-
-        return $score * $this->_coord;
-    }
-
-
-    /**
-     * Score calculator for non conjunction queries (not all terms are required)
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function _nonConjunctionScore($docId, $reader)
-    {
-        if ($this->_coord === null) {
-            $this->_coord = array();
-
-            $maxCoord = 0;
-            foreach ($this->_signs as $sign) {
-                if ($sign !== false /* not prohibited */) {
-                    $maxCoord++;
-                }
-            }
-
-            for ($count = 0; $count <= $maxCoord; $count++) {
-                $this->_coord[$count] = $reader->getSimilarity()->coord($count, $maxCoord);
-            }
-        }
-
-        $score = 0.0;
-        $matchedTerms = 0;
-        foreach ($this->_terms as $termId=>$term) {
-            // Check if term is
-            if ($this->_signs[$termId] !== false &&            // not prohibited
-                isset($this->_termsPositions[$termId][$docId]) // matched
-               ) {
-                $matchedTerms++;
-                $score +=
-                      $reader->getSimilarity()->tf(count($this->_termsPositions[$termId][$docId]) ) *
-                      $this->_weights[$termId]->getValue() *
-                      $reader->norm($docId, $term->field);
-            }
-        }
-
-        return $score * $this->_coord[$matchedTerms];
-    }
-
-    /**
-     * Score specified document
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function score($docId, $reader)
-    {
-        if($this->_resVector === null) {
-            if ($this->_signs === null) {
-                $this->_calculateConjunctionResult($reader);
-            } else {
-                $this->_calculateNonConjunctionResult($reader);
-            }
-
-            $this->_initWeight($reader);
-        }
-
-        if ( (extension_loaded('bitset')) ?
-                bitset_in($this->_resVector, $docId) :
-                isset($this->_resVector[$docId])  ) {
-            if ($this->_signs === null) {
-                return $this->_conjunctionScore($docId, $reader);
-            } else {
-                return $this->_nonConjunctionScore($docId, $reader);
-            }
-        } else {
-            return 0;
-        }
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Phrase.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Phrase.php
deleted file mode 100644
index 3e52666b..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Phrase.php
+++ /dev/null
@@ -1,424 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * Zend_Search_Lucene_Search_Query
- */
-require_once 'Zend/Search/Lucene/Search/Query.php';
-
-/**
- * Zend_Search_Lucene_Search_Weight_MultiTerm
- */
-require_once 'Zend/Search/Lucene/Search/Weight/Phrase.php';
-
-
-/**
- * A Query that matches documents containing a particular sequence of terms.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Query_Phrase extends Zend_Search_Lucene_Search_Query
-{
-    /**
-     * Terms to find.
-     * Array of Zend_Search_Lucene_Index_Term objects.
-     *
-     * @var array
-     */
-    private $_terms;
-
-    /**
-     * Term positions (relative positions of terms within the phrase).
-     * Array of integers
-     *
-     * @var array
-     */
-    private $_offsets;
-
-    /**
-     * Sets the number of other words permitted between words in query phrase.
-     * If zero, then this is an exact phrase search.  For larger values this works
-     * like a WITHIN or NEAR operator.
-     *
-     * The slop is in fact an edit-distance, where the units correspond to
-     * moves of terms in the query phrase out of position.  For example, to switch
-     * the order of two words requires two moves (the first move places the words
-     * atop one another), so to permit re-orderings of phrases, the slop must be
-     * at least two.
-     * More exact matches are scored higher than sloppier matches, thus search
-     * results are sorted by exactness.
-     *
-     * The slop is zero by default, requiring exact matches.
-     *
-     * @var unknown_type
-     */
-    private $_slop;
-
-    /**
-     * Result vector.
-     * Bitset or array of document IDs
-     * (depending from Bitset extension availability).
-     *
-     * @var mixed
-     */
-    private $_resVector = null;
-
-    /**
-     * Terms positions vectors.
-     * Array of Arrays:
-     * term1Id => (docId => array( pos1, pos2, ... ), ...)
-     * term2Id => (docId => array( pos1, pos2, ... ), ...)
-     *
-     * @var array
-     */
-    private $_termsPositions = array();
-
-    /**
-     * Class constructor.  Create a new prase query.
-     *
-     * @param string $field    Field to search.
-     * @param array  $terms    Terms to search Array of strings.
-     * @param array  $offsets  Relative term positions. Array of integers.
-     * @throws Zend_Search_Lucene_Exception
-     */
-    public function __construct($terms = null, $offsets = null, $field = null)
-    {
-        $this->_slop = 0;
-
-        if (is_array($terms)) {
-            $this->_terms = array();
-            foreach ($terms as $termId => $termText) {
-                $this->_terms[$termId] = ($field !== null)? new Zend_Search_Lucene_Index_Term($termText, $field):
-                                                            new Zend_Search_Lucene_Index_Term($termText);
-            }
-        } else if ($terms === null) {
-            $this->_terms = array();
-        } else {
-            throw new Zend_Search_Lucene_Exception('terms argument must be array of strings or null');
-        }
-
-        if (is_array($offsets)) {
-            if (count($this->_terms) != count($offsets)) {
-                throw new Zend_Search_Lucene_Exception('terms and offsets arguments must have the same size.');
-            }
-            $this->_offsets = $offsets;
-        } else if ($offsets === null) {
-            $this->_offsets = array();
-            foreach ($this->_terms as $termId => $term) {
-                $position = count($this->_offsets);
-                $this->_offsets[$termId] = $position;
-            }
-        } else {
-            throw new Zend_Search_Lucene_Exception('offsets argument must be array of strings or null');
-        }
-    }
-
-    /**
-     * Set slop
-     *
-     * @param integer $slop
-     */
-    public function setSlop($slop)
-    {
-        $this->_slop = $slop;
-    }
-
-
-    /**
-     * Get slop
-     *
-     * @return integer
-     */
-    public function getSlop()
-    {
-        return $this->_slop;
-    }
-
-
-    /**
-     * Adds a term to the end of the query phrase.
-     * The relative position of the term is specified explicitly or the one immediately
-     * after the last term added.
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @param integer $position
-     */
-    public function addTerm(Zend_Search_Lucene_Index_Term $term, $position = null) {
-        if ((count($this->_terms) != 0)&&(end($this->_terms)->field != $term->field)) {
-            throw new Zend_Search_Lucene_Exception('All phrase terms must be in the same field: ' .
-                                                   $term->field . ':' . $term->text);
-        }
-
-        $this->_terms[] = $term;
-        if ($position !== null) {
-            $this->_offsets[] = $position;
-        } else if (count($this->_offsets) != 0) {
-            $this->_offsets[] = end($this->_offsets) + 1;
-        } else {
-            $this->_offsets[] = 0;
-        }
-    }
-
-
-    /**
-     * Returns query term
-     *
-     * @return array
-     */
-    public function getTerms()
-    {
-        return $this->_terms;
-    }
-
-
-    /**
-     * Set weight for specified term
-     *
-     * @param integer $num
-     * @param Zend_Search_Lucene_Search_Weight_Term $weight
-     */
-    public function setWeight($num, $weight)
-    {
-        $this->_weights[$num] = $weight;
-    }
-
-
-    /**
-     * Constructs an appropriate Weight implementation for this query.
-     *
-     * @param Zend_Search_Lucene $reader
-     * @return Zend_Search_Lucene_Search_Weight
-     */
-    protected function _createWeight($reader)
-    {
-        return new Zend_Search_Lucene_Search_Weight_Phrase($this, $reader);
-    }
-
-
-    /**
-     * Calculate result vector
-     *
-     * @param Zend_Search_Lucene $reader
-     */
-    private function _calculateResult($reader)
-    {
-        if (extension_loaded('bitset')) {
-            foreach( $this->_terms as $termId=>$term ) {
-                if($this->_resVector === null) {
-                    $this->_resVector = bitset_from_array($reader->termDocs($term));
-                } else {
-                    $this->_resVector = bitset_intersection(
-                                $this->_resVector,
-                                bitset_from_array($reader->termDocs($term)) );
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-        } else {
-            foreach( $this->_terms as $termId=>$term ) {
-                if($this->_resVector === null) {
-                    $this->_resVector = array_flip($reader->termDocs($term));
-                } else {
-                    $termDocs = array_flip($reader->termDocs($term));
-                    foreach($this->_resVector as $key=>$value) {
-                        if (!isset( $termDocs[$key] )) {
-                            unset( $this->_resVector[$key] );
-                        }
-                    }
-                }
-
-                $this->_termsPositions[$termId] = $reader->termPositions($term);
-            }
-        }
-    }
-
-
-    /**
-     * Score calculator for exact phrase queries (terms sequence is fixed)
-     *
-     * @param integer $docId
-     * @return float
-     */
-    public function _exactPhraseFreq($docId)
-    {
-        $freq = 0;
-
-        // Term Id with lowest cardinality
-        $lowCardTermId = null;
-
-        // Calculate $lowCardTermId
-        foreach ($this->_terms as $termId => $term) {
-            if ($lowCardTermId === null ||
-                count($this->_termsPositions[$termId][$docId]) <
-                count($this->_termsPositions[$lowCardTermId][$docId]) ) {
-                    $lowCardTermId = $termId;
-                }
-        }
-
-        // Walk through positions of the term with lowest cardinality
-        foreach ($this->_termsPositions[$lowCardTermId][$docId] as $lowCardPos) {
-            // We expect phrase to be found
-            $freq++;
-
-            // Walk through other terms
-            foreach ($this->_terms as $termId => $term) {
-                if ($termId != $lowCardTermId) {
-                    $expectedPosition = $lowCardPos +
-                                            ($this->_offsets[$termId] -
-                                             $this->_offsets[$lowCardTermId]);
-
-                    if (!in_array($expectedPosition, $this->_termsPositions[$termId][$docId])) {
-                        $freq--;  // Phrase wasn't found.
-                        break;
-                    }
-                }
-            }
-        }
-
-        return $freq;
-    }
-
-    /**
-     * Score calculator for sloppy phrase queries (terms sequence is fixed)
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function _sloppyPhraseFreq($docId, Zend_Search_Lucene $reader)
-    {
-        $freq = 0;
-
-        $phraseQueue = array();
-        $phraseQueue[0] = array(); // empty phrase
-        $lastTerm = null;
-
-        // Walk through the terms to create phrases.
-        foreach ($this->_terms as $termId => $term) {
-            $queueSize = count($phraseQueue);
-            $firstPass = true;
-
-            // Walk through the term positions.
-            // Each term position produces a set of phrases.
-            foreach ($this->_termsPositions[$termId][$docId] as $termPosition ) {
-                if ($firstPass) {
-                    for ($count = 0; $count < $queueSize; $count++) {
-                        $phraseQueue[$count][$termId] = $termPosition;
-                    }
-                } else {
-                    for ($count = 0; $count < $queueSize; $count++) {
-                        if ($lastTerm !== null &&
-                            abs( $termPosition - $phraseQueue[$count][$lastTerm] -
-                                 ($this->_offsets[$termId] - $this->_offsets[$lastTerm])) > $this->_slop) {
-                            continue;
-                        }
-
-                        $newPhraseId = count($phraseQueue);
-                        $phraseQueue[$newPhraseId]          = $phraseQueue[$count];
-                        $phraseQueue[$newPhraseId][$termId] = $termPosition;
-                    }
-
-                }
-
-                $firstPass = false;
-            }
-            $lastTerm = $termId;
-        }
-
-
-        foreach ($phraseQueue as $phrasePos) {
-            $minDistance = null;
-
-            for ($shift = -$this->_slop; $shift <= $this->_slop; $shift++) {
-                $distance = 0;
-                $start = reset($phrasePos) - reset($this->_offsets) + $shift;
-
-                foreach ($this->_terms as $termId => $term) {
-                    $distance += abs($phrasePos[$termId] - $this->_offsets[$termId] - $start);
-
-                    if($distance > $this->_slop) {
-                        break;
-                    }
-                }
-
-                if ($minDistance === null || $distance < $minDistance) {
-                    $minDistance = $distance;
-                }
-            }
-
-            if ($minDistance <= $this->_slop) {
-                $freq += $reader->getSimilarity()->sloppyFreq($minDistance);
-            }
-        }
-
-        return $freq;
-    }
-
-
-    /**
-     * Score specified document
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function score($docId, $reader)
-    {
-        // optimize zero-term case
-        if (count($this->_terms) == 0) {
-            return 0;
-        }
-
-        if($this->_resVector === null) {
-            $this->_calculateResult($reader);
-            $this->_initWeight($reader);
-        }
-
-        if ( (extension_loaded('bitset')) ?
-                bitset_in($this->_resVector, $docId) :
-                isset($this->_resVector[$docId])  ) {
-            if ($this->_slop == 0) {
-                $freq = $this->_exactPhraseFreq($docId);
-            } else {
-                $freq = $this->_sloppyPhraseFreq($docId, $reader);
-            }
-
-/*
-            return $reader->getSimilarity()->tf($freq) *
-                   $this->_weight->getValue() *
-                   $reader->norm($docId, reset($this->_terms)->field);
-*/
-            if ($freq != 0) {
-                $tf = $reader->getSimilarity()->tf($freq);
-                $weight = $this->_weight->getValue();
-                $norm = $reader->norm($docId, reset($this->_terms)->field);
-
-                return $tf*$weight*$norm;
-            }
-        } else {
-            return 0;
-        }
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Term.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Term.php
deleted file mode 100644
index d622f845..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Query/Term.php
+++ /dev/null
@@ -1,126 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_Query */
-require_once 'Zend/Search/Lucene/Search/Query.php';
-
-/** Zend_Search_Lucene_Search_Weight_Term */
-require_once 'Zend/Search/Lucene/Search/Weight/Term.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Query_Term extends Zend_Search_Lucene_Search_Query
-{
-    /**
-     * Term to find.
-     *
-     * @var Zend_Search_Lucene_Index_Term
-     */
-    private $_term;
-
-    /**
-     * Term sign.
-     * If true then term is required
-     * If false then term is prohibited.
-     *
-     * @var bool
-     */
-    private $_sign;
-
-    /**
-     * Documents vector.
-     * Bitset or array of document IDs
-     * (depending from Bitset extension availability).
-     *
-     * @var mixed
-     */
-    private $_docVector = null;
-
-    /**
-     * Term positions vector.
-     * Array: docId => array( pos1, pos2, ... )
-     *
-     * @var array
-     */
-    private $_termPositions;
-
-
-    /**
-     * Zend_Search_Lucene_Search_Query_Term constructor
-     *
-     * @param Zend_Search_Lucene_Index_Term $term
-     * @param boolean $sign
-     */
-    public function __construct( $term, $sign = true )
-    {
-        $this->_term = $term;
-        $this->_sign = $sign;
-    }
-
-
-    /**
-     * Constructs an appropriate Weight implementation for this query.
-     *
-     * @param Zend_Search_Lucene $reader
-     * @return Zend_Search_Lucene_Search_Weight
-     */
-    protected function _createWeight($reader)
-    {
-        return new Zend_Search_Lucene_Search_Weight_Term($this->_term, $this, $reader);
-    }
-
-    /**
-     * Score specified document
-     *
-     * @param integer $docId
-     * @param Zend_Search_Lucene $reader
-     * @return float
-     */
-    public function score( $docId, $reader )
-    {
-        if($this->_docVector===null) {
-            if (extension_loaded('bitset')) {
-                $this->_docVector = bitset_from_array( $reader->termDocs($this->_term) );
-            } else {
-                $this->_docVector = array_flip($reader->termDocs($this->_term));
-            }
-
-            $this->_termPositions = $reader->termPositions($this->_term);
-            $this->_initWeight($reader);
-        }
-
-        $match = extension_loaded('bitset') ?  bitset_in($this->_docVector, $docId) :
-                                               isset($this->_docVector[$docId]);
-        if ($this->_sign && $match) {
-            return $reader->getSimilarity()->tf(count($this->_termPositions[$docId]) ) *
-                   $this->_weight->getValue() *
-                   $reader->norm($docId, $this->_term->field);
-        } else {
-            return 0;
-        }
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryHit.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryHit.php
deleted file mode 100644
index 65290a9e..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryHit.php
+++ /dev/null
@@ -1,106 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_QueryHit
-{
-    /**
-     * Object handle of the index
-     * @var Zend_Search_Lucene
-     */
-    protected $_index = null;
-
-    /**
-     * Object handle of the document associated with this hit
-     * @var Zend_Search_Lucene_Document
-     */
-    protected $_document = null;
-
-    /**
-     * Number of the document in the index
-     * @var integer
-     */
-    public $id;
-
-    /**
-     * Score of the hit
-     * @var float
-     */
-    public $score;
-
-
-    /**
-     * Constructor - pass object handle of Zend_Search_Lucene index that produced
-     * the hit so the document can be retrieved easily from the hit.
-     *
-     * @param Zend_Search_Lucene $index
-     */
-
-    public function __construct(Zend_Search_Lucene $index)
-    {
-        $this->_index = $index;
-    }
-
-
-    /**
-     * Convenience function for getting fields from the document
-     * associated with this hit.
-     *
-     * @param string $offset
-     * @return string
-     */
-    public function __get($offset)
-    {
-        return $this->getDocument()->getFieldValue($offset);
-    }
-
-
-    /**
-     * Return the document object for this hit
-     *
-     * @return Zend_Search_Lucene_Document
-     */
-    public function getDocument()
-    {
-        if (!$this->_document instanceof Zend_Search_Lucene_Document) {
-            $this->_document = $this->_index->getDocument($this->id);
-        }
-
-        return $this->_document;
-    }
-
-
-    /**
-     * Return the index object for this hit
-     *
-     * @return Zend_Search_Lucene
-     */
-    public function getIndex()
-    {
-        return $this->_index;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryParser.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryParser.php
deleted file mode 100644
index 9387afca..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryParser.php
+++ /dev/null
@@ -1,140 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_QueryTokenizer */
-require_once 'Zend/Search/Lucene/Search/QueryTokenizer.php';
-
-/** Zend_Search_Lucene_Index_Term */
-require_once 'Zend/Search/Lucene/Index/Term.php';
-
-/** Zend_Search_Lucene_Search_Query_Term */
-require_once 'Zend/Search/Lucene/Search/Query/Term.php';
-
-/** Zend_Search_Lucene_Search_Query_MultiTerm */
-require_once 'Zend/Search/Lucene/Search/Query/MultiTerm.php';
-
-/** Zend_Search_Lucene_Search_Query_Phrase */
-require_once 'Zend/Search/Lucene/Search/Query/Phrase.php';
-
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_QueryParser
-{
-
-    /**
-     * Parses a query string, returning a Zend_Search_Lucene_Search_Query
-     *
-     * @param string $strQuery
-     * @return Zend_Search_Lucene_Search_Query
-     */
-    static public function parse($strQuery)
-    {
-        $tokens = new Zend_Search_Lucene_Search_QueryTokenizer($strQuery);
-
-        // Empty query
-        if (!$tokens->count()) {
-            throw new Zend_Search_Lucene_Exception('Syntax error: query string cannot be empty.');
-        }
-
-        // Term query
-        if ($tokens->count() == 1) {
-            if ($tokens->current()->type == Zend_Search_Lucene_Search_QueryToken::TOKTYPE_WORD) {
-                return new Zend_Search_Lucene_Search_Query_Term(new Zend_Search_Lucene_Index_Term($tokens->current()->text, 'contents'));
-            } else {
-                throw new Zend_Search_Lucene_Exception('Syntax error: query string must contain at least one word.');
-            }
-        }
-
-
-        /**
-         * MultiTerm Query
-         *
-         * Process each token that was returned by the tokenizer.
-         */
-        $terms = array();
-        $signs = array();
-        $prevToken = null;
-        $openBrackets = 0;
-        $field = 'contents';
-        foreach ($tokens as $token) {
-            switch ($token->type) {
-                case Zend_Search_Lucene_Search_QueryToken::TOKTYPE_WORD:
-                    $terms[] = new Zend_Search_Lucene_Index_Term($token->text, $field);
-                    $field = 'contents';
-                    if ($prevToken !== null &&
-                        $prevToken->type == Zend_Search_Lucene_Search_QueryToken::TOKTYPE_SIGN) {
-                            if ($prevToken->text == "+") {
-                                $signs[] = true;
-                            } else {
-                                $signs[] = false;
-                            }
-                    } else {
-                        $signs[] = null;
-                    }
-                    break;
-                case Zend_Search_Lucene_Search_QueryToken::TOKTYPE_SIGN:
-                    if ($prevToken !== null &&
-                        $prevToken->type == Zend_Search_Lucene_Search_QueryToken::TOKTYPE_SIGN) {
-                            throw new Zend_Search_Lucene_Exception('Syntax error: sign operator must be followed by a word.');
-                    }
-                    break;
-                case Zend_Search_Lucene_Search_QueryToken::TOKTYPE_FIELD:
-                    $field = $token->text;
-                    // let previous token to be signed as next $prevToken
-                    $token = $prevToken;
-                    break;
-                case Zend_Search_Lucene_Search_QueryToken::TOKTYPE_BRACKET:
-                    $token->text=='(' ? $openBrackets++ : $openBrackets--;
-            }
-            $prevToken = $token;
-        }
-
-        // Finish up parsing: check the last token in the query for an opening sign or parenthesis.
-        if ($prevToken->type == Zend_Search_Lucene_Search_QueryToken::TOKTYPE_SIGN) {
-            throw new Zend_Search_Lucene_Exception('Syntax Error: sign operator must be followed by a word.');
-        }
-
-        // Finish up parsing: check that every opening bracket has a matching closing bracket.
-        if ($openBrackets != 0) {
-            throw new Zend_Search_Lucene_Exception('Syntax Error: mismatched parentheses, every opening must have closing.');
-        }
-
-        switch (count($terms)) {
-            case 0:
-                throw new Zend_Search_Lucene_Exception('Syntax error: bad term count.');
-            case 1:
-                return new Zend_Search_Lucene_Search_Query_Term($terms[0],$signs[0] !== false);
-            default:
-                return new Zend_Search_Lucene_Search_Query_MultiTerm($terms,$signs);
-        }
-    }
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryToken.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryToken.php
deleted file mode 100644
index 995e0d3c..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryToken.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_QueryToken
-{
-    /**
-     * Token type Word.
-     */
-    const TOKTYPE_WORD = 0;
-
-    /**
-     * Token type Field.
-     * Field indicator in 'field:word' pair
-     */
-    const TOKTYPE_FIELD = 1;
-
-    /**
-     * Token type Sign.
-     * '+' (required) or '-' (absentee) sign
-     */
-    const TOKTYPE_SIGN = 2;
-
-    /**
-     * Token type Bracket.
-     * '(' or ')'
-     */
-    const TOKTYPE_BRACKET = 3;
-
-
-    /**
-     * Token type.
-     *
-     * @var integer
-     */
-    public $type;
-
-    /**
-     * Token text.
-     *
-     * @var integer
-     */
-    public $text;
-
-
-    /**
-     * IndexReader constructor needs token type and token text as a parameters.
-     *
-     * @param $tokType integer
-     * @param $tokText string
-     */
-    public function __construct($tokType, $tokText)
-    {
-        switch ($tokType) {
-            case self::TOKTYPE_BRACKET:
-                // fall through to the next case
-            case self::TOKTYPE_FIELD:
-                // fall through to the next case
-            case self::TOKTYPE_SIGN:
-                // fall through to the next case
-            case self::TOKTYPE_WORD:
-                break;
-            default:
-                throw new Zend_Search_Lucene_Exception("Unrecognized token type \"$tokType\".");
-        }
-
-        if (!strlen($tokText)) {
-            throw new Zend_Search_Lucene_Exception('Token text must be supplied.');
-        }
-
-        $this->type = $tokType;
-        $this->text = $tokText;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryTokenizer.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryTokenizer.php
deleted file mode 100644
index 986f8899..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/QueryTokenizer.php
+++ /dev/null
@@ -1,162 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_QueryToken */
-require_once 'Zend/Search/Lucene/Search/QueryToken.php';
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_QueryTokenizer implements Iterator
-{
-    /**
-     * inputString tokens.
-     *
-     * @var array
-     */
-    protected $_tokens = array();
-
-    /**
-     * tokens pointer.
-     *
-     * @var integer
-     */
-    protected $_currToken = 0;
-
-
-    /**
-     * QueryTokenize constructor needs query string as a parameter.
-     *
-     * @param string $inputString
-     */
-    public function __construct($inputString)
-    {
-        if (!strlen($inputString)) {
-            throw new Zend_Search_Lucene_Exception('Cannot tokenize empty query string.');
-        }
-
-        $currentToken = '';
-        for ($count = 0; $count < strlen($inputString); $count++) {
-            if (ctype_alnum( $inputString{$count} )) {
-                $currentToken .= $inputString{$count};
-            } else {
-                // Previous token is finished
-                if (strlen($currentToken)) {
-                    $this->_tokens[] = new Zend_Search_Lucene_Search_QueryToken(Zend_Search_Lucene_Search_QueryToken::TOKTYPE_WORD,
-                                                                $currentToken);
-                    $currentToken = '';
-                }
-
-                if ($inputString{$count} == '+' || $inputString{$count} == '-') {
-                    $this->_tokens[] = new Zend_Search_Lucene_Search_QueryToken(Zend_Search_Lucene_Search_QueryToken::TOKTYPE_SIGN,
-                                                                $inputString{$count});
-                } elseif ($inputString{$count} == '(' || $inputString{$count} == ')') {
-                    $this->_tokens[] = new Zend_Search_Lucene_Search_QueryToken(Zend_Search_Lucene_Search_QueryToken::TOKTYPE_BRACKET,
-                                                                $inputString{$count});
-                } elseif ($inputString{$count} == ':' && $this->count()) {
-                    if ($this->_tokens[count($this->_tokens)-1]->type == Zend_Search_Lucene_Search_QueryToken::TOKTYPE_WORD) {
-                        $this->_tokens[count($this->_tokens)-1]->type = Zend_Search_Lucene_Search_QueryToken::TOKTYPE_FIELD;
-                    }
-                }
-            }
-        }
-
-        if (strlen($currentToken)) {
-            $this->_tokens[] = new Zend_Search_Lucene_Search_QueryToken(Zend_Search_Lucene_Search_QueryToken::TOKTYPE_WORD, $currentToken);
-        }
-    }
-
-
-    /**
-     * Returns number of tokens
-     *
-     * @return integer
-     */
-    public function count()
-    {
-        return count($this->_tokens);
-    }
-
-
-    /**
-     * Returns TRUE if a token exists at the current position.
-     *
-     * @return boolean
-     */
-    public function valid()
-    {
-        return $this->_currToken < $this->count();
-    }
-
-
-    /**
-     * Resets token stream.
-     *
-     * @return integer
-     */
-    public function rewind()
-    {
-        $this->_currToken = 0;
-    }
-
-
-    /**
-     * Returns the token at the current position or FALSE if
-     * the position does not contain a valid token.
-     *
-     * @return mixed
-     */
-    public function current()
-    {
-        return $this->valid() ? $this->_tokens[$this->_currToken] : false;
-    }
-
-
-    /**
-     * Returns next token
-     *
-     * @return Zend_Search_Lucene_Search_QueryToken
-     */
-    public function next()
-    {
-        return ++$this->_currToken;
-    }
-
-
-    /**
-     * Return the position of the current token.
-     *
-     * @return integer
-     */
-    public function key()
-    {
-        return $this->_currToken;
-    }
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity.php
deleted file mode 100644
index 8b758213..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity.php
+++ /dev/null
@@ -1,551 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_Similarity_Default */
-require_once 'Zend/Search/Lucene/Search/Similarity/Default.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-abstract class Zend_Search_Lucene_Search_Similarity
-{
-    /**
-     * The Similarity implementation used by default.
-     *
-     * @var Zend_Search_Lucene_Search_Similarity
-     */
-    static private $_defaultImpl;
-
-    /**
-     * Cache of decoded bytes.
-     * Array of floats
-     *
-     * @var array
-     */
-    static private $_normTable = array( 0   => 0.0,
-                                        1   => 5.820766E-10,
-                                        2   => 6.9849193E-10,
-                                        3   => 8.1490725E-10,
-                                        4   => 9.313226E-10,
-                                        5   => 1.1641532E-9,
-                                        6   => 1.3969839E-9,
-                                        7   => 1.6298145E-9,
-                                        8   => 1.8626451E-9,
-                                        9   => 2.3283064E-9,
-                                        10  => 2.7939677E-9,
-                                        11  => 3.259629E-9,
-                                        12  => 3.7252903E-9,
-                                        13  => 4.656613E-9,
-                                        14  => 5.5879354E-9,
-                                        15  => 6.519258E-9,
-                                        16  => 7.4505806E-9,
-                                        17  => 9.313226E-9,
-                                        18  => 1.1175871E-8,
-                                        19  => 1.3038516E-8,
-                                        20  => 1.4901161E-8,
-                                        21  => 1.8626451E-8,
-                                        22  => 2.2351742E-8,
-                                        23  => 2.6077032E-8,
-                                        24  => 2.9802322E-8,
-                                        25  => 3.7252903E-8,
-                                        26  => 4.4703484E-8,
-                                        27  => 5.2154064E-8,
-                                        28  => 5.9604645E-8,
-                                        29  => 7.4505806E-8,
-                                        30  => 8.940697E-8,
-                                        31  => 1.0430813E-7,
-                                        32  => 1.1920929E-7,
-                                        33  => 1.4901161E-7,
-                                        34  => 1.7881393E-7,
-                                        35  => 2.0861626E-7,
-                                        36  => 2.3841858E-7,
-                                        37  => 2.9802322E-7,
-                                        38  => 3.5762787E-7,
-                                        39  => 4.172325E-7,
-                                        40  => 4.7683716E-7,
-                                        41  => 5.9604645E-7,
-                                        42  => 7.1525574E-7,
-                                        43  => 8.34465E-7,
-                                        44  => 9.536743E-7,
-                                        45  => 1.1920929E-6,
-                                        46  => 1.4305115E-6,
-                                        47  => 1.66893E-6,
-                                        48  => 1.9073486E-6,
-                                        49  => 2.3841858E-6,
-                                        50  => 2.861023E-6,
-                                        51  => 3.33786E-6,
-                                        52  => 3.8146973E-6,
-                                        53  => 4.7683716E-6,
-                                        54  => 5.722046E-6,
-                                        55  => 6.67572E-6,
-                                        56  => 7.6293945E-6,
-                                        57  => 9.536743E-6,
-                                        58  => 1.1444092E-5,
-                                        59  => 1.335144E-5,
-                                        60  => 1.5258789E-5,
-                                        61  => 1.9073486E-5,
-                                        62  => 2.2888184E-5,
-                                        63  => 2.670288E-5,
-                                        64  => 3.0517578E-5,
-                                        65  => 3.8146973E-5,
-                                        66  => 4.5776367E-5,
-                                        67  => 5.340576E-5,
-                                        68  => 6.1035156E-5,
-                                        69  => 7.6293945E-5,
-                                        70  => 9.1552734E-5,
-                                        71  => 1.0681152E-4,
-                                        72  => 1.2207031E-4,
-                                        73  => 1.5258789E-4,
-                                        74  => 1.8310547E-4,
-                                        75  => 2.1362305E-4,
-                                        76  => 2.4414062E-4,
-                                        77  => 3.0517578E-4,
-                                        78  => 3.6621094E-4,
-                                        79  => 4.272461E-4,
-                                        80  => 4.8828125E-4,
-                                        81  => 6.1035156E-4,
-                                        82  => 7.324219E-4,
-                                        83  => 8.544922E-4,
-                                        84  => 9.765625E-4,
-                                        85  => 0.0012207031,
-                                        86  => 0.0014648438,
-                                        87  => 0.0017089844,
-                                        88  => 0.001953125,
-                                        89  => 0.0024414062,
-                                        90  => 0.0029296875,
-                                        91  => 0.0034179688,
-                                        92  => 0.00390625,
-                                        93  => 0.0048828125,
-                                        94  => 0.005859375,
-                                        95  => 0.0068359375,
-                                        96  => 0.0078125,
-                                        97  => 0.009765625,
-                                        98  => 0.01171875,
-                                        99  => 0.013671875,
-                                        100 => 0.015625,
-                                        101 => 0.01953125,
-                                        102 => 0.0234375,
-                                        103 => 0.02734375,
-                                        104 => 0.03125,
-                                        105 => 0.0390625,
-                                        106 => 0.046875,
-                                        107 => 0.0546875,
-                                        108 => 0.0625,
-                                        109 => 0.078125,
-                                        110 => 0.09375,
-                                        111 => 0.109375,
-                                        112 => 0.125,
-                                        113 => 0.15625,
-                                        114 => 0.1875,
-                                        115 => 0.21875,
-                                        116 => 0.25,
-                                        117 => 0.3125,
-                                        118 => 0.375,
-                                        119 => 0.4375,
-                                        120 => 0.5,
-                                        121 => 0.625,
-                                        122 => 0.75,
-                                        123 => 0.875,
-                                        124 => 1.0,
-                                        125 => 1.25,
-                                        126 => 1.5,
-                                        127 => 1.75,
-                                        128 => 2.0,
-                                        129 => 2.5,
-                                        130 => 3.0,
-                                        131 => 3.5,
-                                        132 => 4.0,
-                                        133 => 5.0,
-                                        134 => 6.0,
-                                        135 => 7.0,
-                                        136 => 8.0,
-                                        137 => 10.0,
-                                        138 => 12.0,
-                                        139 => 14.0,
-                                        140 => 16.0,
-                                        141 => 20.0,
-                                        142 => 24.0,
-                                        143 => 28.0,
-                                        144 => 32.0,
-                                        145 => 40.0,
-                                        146 => 48.0,
-                                        147 => 56.0,
-                                        148 => 64.0,
-                                        149 => 80.0,
-                                        150 => 96.0,
-                                        151 => 112.0,
-                                        152 => 128.0,
-                                        153 => 160.0,
-                                        154 => 192.0,
-                                        155 => 224.0,
-                                        156 => 256.0,
-                                        157 => 320.0,
-                                        158 => 384.0,
-                                        159 => 448.0,
-                                        160 => 512.0,
-                                        161 => 640.0,
-                                        162 => 768.0,
-                                        163 => 896.0,
-                                        164 => 1024.0,
-                                        165 => 1280.0,
-                                        166 => 1536.0,
-                                        167 => 1792.0,
-                                        168 => 2048.0,
-                                        169 => 2560.0,
-                                        170 => 3072.0,
-                                        171 => 3584.0,
-                                        172 => 4096.0,
-                                        173 => 5120.0,
-                                        174 => 6144.0,
-                                        175 => 7168.0,
-                                        176 => 8192.0,
-                                        177 => 10240.0,
-                                        178 => 12288.0,
-                                        179 => 14336.0,
-                                        180 => 16384.0,
-                                        181 => 20480.0,
-                                        182 => 24576.0,
-                                        183 => 28672.0,
-                                        184 => 32768.0,
-                                        185 => 40960.0,
-                                        186 => 49152.0,
-                                        187 => 57344.0,
-                                        188 => 65536.0,
-                                        189 => 81920.0,
-                                        190 => 98304.0,
-                                        191 => 114688.0,
-                                        192 => 131072.0,
-                                        193 => 163840.0,
-                                        194 => 196608.0,
-                                        195 => 229376.0,
-                                        196 => 262144.0,
-                                        197 => 327680.0,
-                                        198 => 393216.0,
-                                        199 => 458752.0,
-                                        200 => 524288.0,
-                                        201 => 655360.0,
-                                        202 => 786432.0,
-                                        203 => 917504.0,
-                                        204 => 1048576.0,
-                                        205 => 1310720.0,
-                                        206 => 1572864.0,
-                                        207 => 1835008.0,
-                                        208 => 2097152.0,
-                                        209 => 2621440.0,
-                                        210 => 3145728.0,
-                                        211 => 3670016.0,
-                                        212 => 4194304.0,
-                                        213 => 5242880.0,
-                                        214 => 6291456.0,
-                                        215 => 7340032.0,
-                                        216 => 8388608.0,
-                                        217 => 1.048576E7,
-                                        218 => 1.2582912E7,
-                                        219 => 1.4680064E7,
-                                        220 => 1.6777216E7,
-                                        221 => 2.097152E7,
-                                        222 => 2.5165824E7,
-                                        223 => 2.9360128E7,
-                                        224 => 3.3554432E7,
-                                        225 => 4.194304E7,
-                                        226 => 5.0331648E7,
-                                        227 => 5.8720256E7,
-                                        228 => 6.7108864E7,
-                                        229 => 8.388608E7,
-                                        230 => 1.00663296E8,
-                                        231 => 1.17440512E8,
-                                        232 => 1.34217728E8,
-                                        233 => 1.6777216E8,
-                                        234 => 2.01326592E8,
-                                        235 => 2.34881024E8,
-                                        236 => 2.68435456E8,
-                                        237 => 3.3554432E8,
-                                        238 => 4.02653184E8,
-                                        239 => 4.69762048E8,
-                                        240 => 5.3687091E8,
-                                        241 => 6.7108864E8,
-                                        242 => 8.0530637E8,
-                                        243 => 9.395241E8,
-                                        244 => 1.07374182E9,
-                                        245 => 1.34217728E9,
-                                        246 => 1.61061274E9,
-                                        247 => 1.87904819E9,
-                                        248 => 2.14748365E9,
-                                        249 => 2.68435456E9,
-                                        250 => 3.22122547E9,
-                                        251 => 3.75809638E9,
-                                        252 => 4.2949673E9,
-                                        253 => 5.3687091E9,
-                                        254 => 6.4424509E9,
-                                        255 => 7.5161928E9 );
-
-
-    /**
-     * Set the default Similarity implementation used by indexing and search
-     * code.
-     *
-     * @param Zend_Search_Lucene_Search_Similarity $similarity
-     */
-    static public function setDefault(Zend_Search_Lucene_Search_Similarity $similarity)
-    {
-        self::$_defaultImpl = $similarity;
-    }
-
-
-    /**
-     * Return the default Similarity implementation used by indexing and search
-     * code.
-     *
-     * @return Zend_Search_Lucene_Search_Similarity
-     */
-    static public function getDefault()
-    {
-        if (!self::$_defaultImpl instanceof Zend_Search_Lucene_Search_Similarity) {
-            self::$_defaultImpl = new Zend_Search_Lucene_Search_Similarity_Default();
-        }
-
-        return self::$_defaultImpl;
-    }
-
-
-    /**
-     * Computes the normalization value for a field given the total number of
-     * terms contained in a field.  These values, together with field boosts, are
-     * stored in an index and multipled into scores for hits on each field by the
-     * search code.
-     *
-     * Matches in longer fields are less precise, so implemenations of this
-     * method usually return smaller values when 'numTokens' is large,
-     * and larger values when 'numTokens' is small.
-     *
-     * That these values are computed under
-     * IndexWriter::addDocument(Document) and stored then using
-     * encodeNorm(float).  Thus they have limited precision, and documents
-     * must be re-indexed if this method is altered.
-     *
-     * fieldName - name of field
-     * numTokens - the total number of tokens contained in fields named
-     *             'fieldName' of 'doc'.
-     * Returns a normalization factor for hits on this field of this document
-     *
-     * @param string $fieldName
-     * @param integer $numTokens
-     * @return float
-     */
-    abstract public function lengthNorm($fieldName, $numTokens);
-
-    /**
-     * Computes the normalization value for a query given the sum of the squared
-     * weights of each of the query terms.  This value is then multipled into the
-     * weight of each query term.
-     *
-     * This does not affect ranking, but rather just attempts to make scores
-     * from different queries comparable.
-     *
-     * sumOfSquaredWeights - the sum of the squares of query term weights
-     * Returns a normalization factor for query weights
-     *
-     * @param float $sumOfSquaredWeights
-     * @return float
-     */
-    abstract public function queryNorm($sumOfSquaredWeights);
-
-
-    /**
-     *  Decodes a normalization factor stored in an index.
-     *
-     * @param integer $byte
-     * @return float
-     */
-    static public function decodeNorm($byte)
-    {
-        return self::$_normTable[$byte & 0xFF];
-    }
-
-
-    /**
-     * Encodes a normalization factor for storage in an index.
-     *
-     * The encoding uses a five-bit exponent and three-bit mantissa, thus
-     * representing values from around 7x10^9 to 2x10^-9 with about one
-     * significant decimal digit of accuracy.  Zero is also represented.
-     * Negative numbers are rounded up to zero.  Values too large to represent
-     * are rounded down to the largest representable value.  Positive values too
-     * small to represent are rounded up to the smallest positive representable
-     * value.
-     *
-     * @param float $f
-     * @return integer
-     */
-    static function encodeNorm($f)
-    {
-      return self::_floatToByte($f);
-    }
-
-    /**
-     * Float to byte conversion
-     *
-     * @param integer $b
-     * @return float
-     */
-    static private function _floatToByte($f)
-    {
-        // round negatives up to zero
-        if ($f <= 0.0) {
-            return 0;
-        }
-
-        // search for appropriate value
-        $lowIndex = 0;
-        $highIndex = 255;
-        while ($highIndex >= $lowIndex) {
-            // $mid = ($highIndex - $lowIndex)/2;
-            $mid = ($highIndex + $lowIndex) >> 1;
-            $delta = $f - self::$_normTable[$mid];
-
-            if ($delta < 0) {
-                $highIndex = $mid-1;
-            } elseif ($delta > 0) {
-                $lowIndex  = $mid+1;
-            } else {
-                return $mid; // We got it!
-            }
-        }
-
-        // round to closest value
-        if ($highIndex != 255 &&
-            $f - self::$_normTable[$highIndex] > self::$_normTable[$highIndex+1] - $f ) {
-            return $highIndex + 1;
-        } else {
-            return $highIndex;
-        }
-    }
-
-
-    /**
-     * Computes a score factor based on a term or phrase's frequency in a
-     * document.  This value is multiplied by the idf(Term, Searcher)
-     * factor for each term in the query and these products are then summed to
-     * form the initial score for a document.
-     *
-     * Terms and phrases repeated in a document indicate the topic of the
-     * document, so implementations of this method usually return larger values
-     * when 'freq' is large, and smaller values when 'freq'
-     * is small.
-     *
-     * freq - the frequency of a term within a document
-     * Returns a score factor based on a term's within-document frequency
-     *
-     * @param float $freq
-     * @return float
-     */
-    abstract public function tf($freq);
-
-    /**
-     * Computes the amount of a sloppy phrase match, based on an edit distance.
-     * This value is summed for each sloppy phrase match in a document to form
-     * the frequency that is passed to tf(float).
-     *
-     * A phrase match with a small edit distance to a document passage more
-     * closely matches the document, so implementations of this method usually
-     * return larger values when the edit distance is small and smaller values
-     * when it is large.
-     *
-     * distance - the edit distance of this sloppy phrase match
-     * Returns the frequency increment for this match
-     *
-     * @param integer $distance
-     * @return float
-     */
-    abstract public function sloppyFreq($distance);
-
-
-    /**
-     * Computes a score factor for a simple term or a phrase.
-     *
-     * The default implementation is:
-     *   return idfFreq(searcher.docFreq(term), searcher.maxDoc());
-     *
-     * input - the term in question or array of terms
-     * reader - reader the document collection being searched
-     * Returns a score factor for the term
-     *
-     * @param mixed $input
-     * @param Zend_Search_Lucene $reader
-     * @return a score factor for the term
-     */
-    public function idf($input, $reader)
-    {
-        if (!is_array($input)) {
-            return $this->idfFreq($reader->docFreq($input), $reader->count());
-        } else {
-            $idf = 0.0;
-            foreach ($input as $term) {
-                $idf += $this->idfFreq($reader->docFreq($term), $reader->count());
-            }
-            return $idf;
-        }
-    }
-
-    /**
-     * Computes a score factor based on a term's document frequency (the number
-     * of documents which contain the term).  This value is multiplied by the
-     * tf(int) factor for each term in the query and these products are
-     * then summed to form the initial score for a document.
-     *
-     * Terms that occur in fewer documents are better indicators of topic, so
-     * implemenations of this method usually return larger values for rare terms,
-     * and smaller values for common terms.
-     *
-     * docFreq - the number of documents which contain the term
-     * numDocs - the total number of documents in the collection
-     * Returns a score factor based on the term's document frequency
-     *
-     * @param integer $docFreq
-     * @param integer $numDocs
-     * @return float
-     */
-    abstract public function idfFreq($docFreq, $numDocs);
-
-    /**
-     * Computes a score factor based on the fraction of all query terms that a
-     * document contains.  This value is multiplied into scores.
-     *
-     * The presence of a large portion of the query terms indicates a better
-     * match with the query, so implemenations of this method usually return
-     * larger values when the ratio between these parameters is large and smaller
-     * values when the ratio between them is small.
-     *
-     * overlap - the number of query terms matched in the document
-     * maxOverlap - the total number of terms in the query
-     * Returns a score factor based on term overlap with the query
-     *
-     * @param integer $overlap
-     * @param integer $maxOverlap
-     * @return float
-     */
-    abstract public function coord($overlap, $maxOverlap);
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity/Default.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity/Default.php
deleted file mode 100644
index 1551d8bd..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Similarity/Default.php
+++ /dev/null
@@ -1,99 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Similarity_Default extends Zend_Search_Lucene_Search_Similarity
-{
-
-    /**
-     * Implemented as '1/sqrt(numTerms)'.
-     *
-     * @param string $fieldName
-     * @param integer numTerms
-     * @return float
-     */
-    public function lengthNorm($fieldName, $numTerms)
-    {
-        return 1.0/sqrt($numTerms);
-    }
-
-    /**
-     * Implemented as '1/sqrt(sumOfSquaredWeights)'.
-     *
-     * @param float $sumOfSquaredWeights
-     * @return float
-     */
-    public function queryNorm($sumOfSquaredWeights)
-    {
-        return 1.0/sqrt($sumOfSquaredWeights);
-    }
-
-    /**
-     * Implemented as 'sqrt(freq)'.
-     *
-     * @param float $freq
-     * @return float
-     */
-    public function tf($freq)
-    {
-        return sqrt($freq);
-    }
-
-    /**
-     * Implemented as '1/(distance + 1)'.
-     *
-     * @param integer $distance
-     * @return float
-     */
-    public function sloppyFreq($distance)
-    {
-        return 1.0/($distance + 1);
-    }
-
-    /**
-     * Implemented as 'log(numDocs/(docFreq+1)) + 1'.
-     *
-     * @param integer $docFreq
-     * @param integer $numDocs
-     * @return float
-     */
-    public function idfFreq($docFreq, $numDocs)
-    {
-        return log($numDocs/(float)($docFreq+1)) + 1.0;
-    }
-
-    /**
-     * Implemented as 'overlap/maxOverlap'.
-     *
-     * @param integer $overlap
-     * @param integer $maxOverlap
-     * @return float
-     */
-    public function coord($overlap, $maxOverlap)
-    {
-        return $overlap/(float)$maxOverlap;
-    }
-}
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight.php
deleted file mode 100644
index 2d5b7a72..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * Calculate query weights and build query scorers.
- *
- * A Weight is constructed by a query Query->createWeight().
- * The sumOfSquaredWeights() method is then called on the top-level
- * query to compute the query normalization factor Similarity->queryNorm(float).
- * This factor is then passed to normalize(float).  At this point the weighting
- * is complete.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-abstract class Zend_Search_Lucene_Search_Weight
-{
-    /**
-     * The weight for this query.
-     *
-     * @return float
-     */
-    abstract public function getValue();
-
-    /**
-     * The sum of squared weights of contained query clauses.
-     *
-     * @return float
-     */
-    abstract public function sumOfSquaredWeights();
-
-    /**
-     * Assigns the query normalization factor to this.
-     *
-     * @param $norm
-     */
-    abstract public function normalize($norm);
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/MultiTerm.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/MultiTerm.php
deleted file mode 100644
index 69528ba4..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/MultiTerm.php
+++ /dev/null
@@ -1,133 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_Weight */
-require_once 'Zend/Search/Lucene/Search/Weight.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Weight_MultiTerm extends Zend_Search_Lucene_Search_Weight
-{
-    /**
-     * IndexReader.
-     *
-     * @var Zend_Search_Lucene
-     */
-    private $_reader;
-
-    /**
-     * The query that this concerns.
-     *
-     * @var Zend_Search_Lucene_Search_Query_MultiTerm
-     */
-    private $_query;
-
-    /**
-     * Query terms weights
-     * Array of Zend_Search_Lucene_Search_Weight_Term
-     *
-     * @var array
-     */
-    private $_weights;
-
-
-    /**
-     * Zend_Search_Lucene_Search_Weight_MultiTerm constructor
-     * query - the query that this concerns.
-     * reader - index reader
-     *
-     * @param Zend_Search_Lucene_Search_Query_MultiTerm $query
-     * @param Zend_Search_Lucene $reader
-     */
-    public function __construct($query, $reader)
-    {
-        $this->_query   = $query;
-        $this->_reader  = $reader;
-        $this->_weights = array();
-
-        $signs = $query->getSigns();
-
-        foreach ($query->getTerms() as $num => $term) {
-            if ($signs === null || $signs[$num] === null || $signs[$num]) {
-                $this->_weights[$num] = new Zend_Search_Lucene_Search_Weight_Term($term, $query, $reader);
-                $query->setWeight($num, $this->_weights[$num]);
-            }
-        }
-    }
-
-
-    /**
-     * The weight for this query
-     *
-     * @return float
-     */
-    public function getValue()
-    {
-        return $this->_query->getBoost();
-    }
-
-
-    /**
-     * The sum of squared weights of contained query clauses.
-     *
-     * @return float
-     */
-    public function sumOfSquaredWeights()
-    {
-        $sum = 0;
-        foreach ($this->_weights as $weight) {
-            // sum sub weights
-            $sum += $weight->sumOfSquaredWeights();
-        }
-
-        // boost each sub-weight
-        $sum *= $this->_query->getBoost() * $this->_query->getBoost();
-
-        // check for empty query (like '-something -another')
-        if ($sum == 0) {
-            $sum = 1.0;
-        }
-        return $sum;
-    }
-
-
-    /**
-     * Assigns the query normalization factor to this.
-     *
-     * @param float $queryNorm
-     */
-    public function normalize($queryNorm)
-    {
-        // incorporate boost
-        $queryNorm *= $this->_query->getBoost();
-
-        foreach ($this->_weights as $weight) {
-            $weight->normalize($queryNorm);
-        }
-    }
-}
-
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Phrase.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Phrase.php
deleted file mode 100644
index 77e94f28..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Phrase.php
+++ /dev/null
@@ -1,138 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * Zend_Search_Lucene_Search_Weight
- */
-require_once 'Zend/Search/Lucene/Search/Weight.php';
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Weight_Phrase extends Zend_Search_Lucene_Search_Weight
-{
-    /**
-     * IndexReader.
-     *
-     * @var Zend_Search_Lucene
-     */
-    private $_reader;
-
-    /**
-     * The query that this concerns.
-     *
-     * @var Zend_Search_Lucene_Search_Query_Phrase
-     */
-    private $_query;
-
-    /**
-     * Weight value
-     *
-     * @var float
-     */
-    private $_value;
-
-    /**
-     * Score factor
-     *
-     * @var float
-     */
-    private $_idf;
-
-    /**
-     * Normalization factor
-     *
-     * @var float
-     */
-    private $_queryNorm;
-
-
-    /**
-     * Query weight
-     *
-     * @var float
-     */
-    private $_queryWeight;
-
-
-    /**
-     * Zend_Search_Lucene_Search_Weight_Phrase constructor
-     *
-     * @param Zend_Search_Lucene_Search_Query_Phrase $query
-     * @param Zend_Search_Lucene $reader
-     */
-    public function __construct(Zend_Search_Lucene_Search_Query_Phrase $query, Zend_Search_Lucene $reader)
-    {
-        $this->_query  = $query;
-        $this->_reader = $reader;
-    }
-
-
-    /**
-     * The weight for this query
-     *
-     * @return float
-     */
-    public function getValue()
-    {
-        return $this->_value;
-    }
-
-
-    /**
-     * The sum of squared weights of contained query clauses.
-     *
-     * @return float
-     */
-    public function sumOfSquaredWeights()
-    {
-        // compute idf
-        $this->_idf = $this->_reader->getSimilarity()->idf($this->_query->getTerms(), $this->_reader);
-
-        // compute query weight
-        $this->_queryWeight = $this->_idf * $this->_query->getBoost();
-
-        // square it
-        return $this->_queryWeight * $this->_queryWeight;
-    }
-
-
-    /**
-     * Assigns the query normalization factor to this.
-     *
-     * @param float $queryNorm
-     */
-    public function normalize($queryNorm)
-    {
-        $this->_queryNorm = $queryNorm;
-
-        // normalize query weight
-        $this->_queryWeight *= $queryNorm;
-
-        // idf for documents
-        $this->_value = $this->_queryWeight * $this->_idf;
-    }
-}
-
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Term.php b/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Term.php
deleted file mode 100644
index 3e6102f3..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Search/Weight/Term.php
+++ /dev/null
@@ -1,144 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Search_Weight */
-require_once 'Zend/Search/Lucene/Search/Weight.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Search
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Search_Weight_Term extends Zend_Search_Lucene_Search_Weight
-{
-    /**
-     * IndexReader.
-     *
-     * @var Zend_Search_Lucene
-     */
-    private $_reader;
-
-    /**
-     * Term
-     *
-     * @var Zend_Search_Lucene_Index_Term
-     */
-    private $_term;
-
-    /**
-     * The query that this concerns.
-     *
-     * @var Zend_Search_Lucene_Search_Query
-     */
-    private $_query;
-
-    /**
-     * Weight value
-     *
-     * @var float
-     */
-    private $_value;
-
-    /**
-     * Score factor
-     *
-     * @var float
-     */
-    private $_idf;
-
-    /**
-     * Normalization factor
-     *
-     * @var float
-     */
-    private $_queryNorm;
-
-
-    /**
-     * Query weight
-     *
-     * @var float
-     */
-    private $_queryWeight;
-
-
-    /**
-     * Zend_Search_Lucene_Search_Weight_Term constructor
-     * reader - index reader
-     *
-     * @param Zend_Search_Lucene $reader
-     */
-    public function __construct($term, $query, $reader)
-    {
-        $this->_term   = $term;
-        $this->_query  = $query;
-        $this->_reader = $reader;
-    }
-
-
-    /**
-     * The weight for this query
-     *
-     * @return float
-     */
-    public function getValue()
-    {
-        return $this->_value;
-    }
-
-
-    /**
-     * The sum of squared weights of contained query clauses.
-     *
-     * @return float
-     */
-    public function sumOfSquaredWeights()
-    {
-        // compute idf
-        $this->_idf = $this->_reader->getSimilarity()->idf($this->_term, $this->_reader);
-
-        // compute query weight
-        $this->_queryWeight = $this->_idf * $this->_query->getBoost();
-
-        // square it
-        return $this->_queryWeight * $this->_queryWeight;
-    }
-
-
-    /**
-     * Assigns the query normalization factor to this.
-     *
-     * @param float $queryNorm
-     */
-    public function normalize($queryNorm)
-    {
-        $this->_queryNorm = $queryNorm;
-
-        // normalize query weight
-        $this->_queryWeight *= $queryNorm;
-
-        // idf for documents
-        $this->_value = $this->_queryWeight * $this->_idf;
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory.php b/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory.php
deleted file mode 100644
index 48114a76..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory.php
+++ /dev/null
@@ -1,118 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-abstract class Zend_Search_Lucene_Storage_Directory
-{
-
-    /**
-     * Closes the store.
-     *
-     * @return void
-     */
-    abstract public function close();
-
-    /**
-     * Returns an array of strings, one for each file in the directory.
-     *
-     * @return array
-     */
-    abstract public function fileList();
-
-    /**
-     * Creates a new, empty file in the directory with the given $filename.
-     *
-     * @param string $filename
-     * @return Zend_Search_Lucene_Storage_File
-     */
-    abstract public function createFile($filename);
-
-
-    /**
-     * Removes an existing $filename in the directory.
-     *
-     * @param string $filename
-     * @return void
-     */
-    abstract public function deleteFile($filename);
-
-
-    /**
-     * Returns true if a file with the given $filename exists.
-     *
-     * @param string $filename
-     * @return boolean
-     */
-    abstract public function fileExists($filename);
-
-
-    /**
-     * Returns the length of a $filename in the directory.
-     *
-     * @param string $filename
-     * @return integer
-     */
-    abstract public function fileLength($filename);
-
-
-    /**
-     * Returns the UNIX timestamp $filename was last modified.
-     *
-     * @param string $filename
-     * @return integer
-     */
-    abstract public function fileModified($filename);
-
-
-    /**
-     * Renames an existing file in the directory.
-     *
-     * @param string $from
-     * @param string $to
-     * @return void
-     */
-    abstract public function renameFile($from, $to);
-
-
-    /**
-     * Sets the modified time of $filename to now.
-     *
-     * @param string $filename
-     * @return void
-     */
-    abstract public function touchFile($filename);
-
-
-    /**
-     * Returns a Zend_Search_Lucene_Storage_File object for a given $filename in the directory.
-     *
-     * @param string $filename
-     * @return Zend_Search_Lucene_Storage_File
-     */
-    abstract public function getFileObject($filename);
-
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory/Filesystem.php b/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory/Filesystem.php
deleted file mode 100644
index 73d10659..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/Directory/Filesystem.php
+++ /dev/null
@@ -1,269 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Storage_Directory */
-require_once 'Zend/Search/Lucene/Storage/Directory.php';
-
-/** Zend_Search_Lucene_Storage_File_Filesystem */
-require_once 'Zend/Search/Lucene/Storage/File/Filesystem.php';
-
-
-/**
- * FileSystem implementation of Directory abstraction.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-class Zend_Search_Lucene_Storage_Directory_Filesystem extends Zend_Search_Lucene_Storage_Directory
-{
-    /**
-     * Filesystem path to the directory
-     *
-     * @var string
-     */
-    private $_dirPath = null;
-
-    /**
-     * Cache for Zend_Search_Lucene_Storage_File_Filesystem objects
-     * Array: filename => Zend_Search_Lucene_Storage_File object
-     *
-     * @var array
-     * @throws Zend_Search_Lucene_Exception
-     */
-    private $_fileHandlers;
-
-
-    /**
-     * Utility function to recursive directory creation
-     *
-     * @param string $dir
-     * @param integer $mode
-     * @param boolean $recursive
-     * @return boolean
-     */
-
-    static public function mkdirs($dir, $mode = 0777, $recursive = true)
-    {
-        if (is_null($dir) || $dir === '') {
-            return false;
-        }
-        if (is_dir($dir) || $dir === '/') {
-            return true;
-        }
-        if (self::mkdirs(dirname($dir), $mode, $recursive)) {
-            return mkdir($dir, $mode);
-        }
-        return false;
-    }
-
-
-    /**
-     * Object constructor
-     * Checks if $path is a directory or tries to create it.
-     *
-     * @param string $path
-     * @throws Zend_Search_Lucene_Exception
-     */
-    public function __construct($path)
-    {
-        if (!is_dir($path)) {
-            if (file_exists($path)) {
-                throw new Zend_Search_Lucene_Exception('Path exists, but it\'s not a directory');
-            } else {
-                if (!self::mkdirs($path)) {
-                    throw new Zend_Search_Lucene_Exception("Can't create directory '$path'.");
-                }
-            }
-        }
-        $this->_dirPath = $path;
-        $this->_fileHandlers = array();
-    }
-
-
-    /**
-     * Closes the store.
-     *
-     * @return void
-     */
-    public function close()
-    {
-        foreach ($this->_fileHandlers as $fileObject) {
-            $fileObject->close();
-        }
-
-        unset($this->_fileHandlers);
-    }
-
-
-    /**
-     * Returns an array of strings, one for each file in the directory.
-     *
-     * @return array
-     */
-    public function fileList()
-    {
-        $result = array();
-
-        $dirContent = opendir( $this->_dirPath );
-        while ($file = readdir($dirContent)) {
-            if (($file == '..')||($file == '.'))   continue;
-
-            $fullName = $this->_dirPath . '/' . $file;
-
-            if( !is_dir($this->_dirPath . '/' . $file) ) {
-                $result[] = $file;
-            }
-        }
-
-        return $result;
-    }
-
-    /**
-     * Creates a new, empty file in the directory with the given $filename.
-     *
-     * @param string $filename
-     * @return Zend_Search_Lucene_Storage_File
-     */
-    public function createFile($filename)
-    {
-        if (isset($this->_fileHandlers[$filename])) {
-            $this->_fileHandlers[$filename]->close();
-        }
-        unset($this->_fileHandlers[$filename]);
-        $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($this->_dirPath . '/' . $filename, 'w+b');
-        return $this->_fileHandlers[$filename];
-    }
-
-
-    /**
-     * Removes an existing $filename in the directory.
-     *
-     * @param string $filename
-     * @return void
-     */
-    public function deleteFile($filename)
-    {
-        if (isset($this->_fileHandlers[$filename])) {
-            $this->_fileHandlers[$filename]->close();
-        }
-        unset($this->_fileHandlers[$filename]);
-        unlink($this->_dirPath .'/'. $filename);
-    }
-
-
-    /**
-     * Returns true if a file with the given $filename exists.
-     *
-     * @param string $filename
-     * @return boolean
-     */
-    public function fileExists($filename)
-    {
-        return file_exists($this->_dirPath .'/'. $filename);
-    }
-
-
-    /**
-     * Returns the length of a $filename in the directory.
-     *
-     * @param string $filename
-     * @return integer
-     */
-    public function fileLength($filename)
-    {
-        if (isset( $this->_fileHandlers[$filename] )) {
-            return $this->_fileHandlers[$filename]->size();
-        }
-        return filesize($this->_dirPath .'/'. $filename);
-    }
-
-
-    /**
-     * Returns the UNIX timestamp $filename was last modified.
-     *
-     * @param string $filename
-     * @return integer
-     */
-    public function fileModified($filename)
-    {
-        return filemtime($this->_dirPath .'/'. $filename);
-    }
-
-
-    /**
-     * Renames an existing file in the directory.
-     *
-     * @param string $from
-     * @param string $to
-     * @return void
-     */
-    public function renameFile($from, $to)
-    {
-        if ($this->_fileHandlers[$from] !== null) {
-            $this->_fileHandlers[$from]->close();
-        }
-        unset($this->_fileHandlers[$from]);
-
-        if ($this->_fileHandlers[$to] !== null) {
-            $this->_fileHandlers[$to]->close();
-        }
-        unset($this->_fileHandlers[$to]);
-
-        if (file_exists($this->_dirPath . '/' . $to)) {
-            unlink($this->_dirPath . '/' . $to);
-        }
-
-        return @rename($this->_dirPath . '/' . $from, $this->_dirPath . '/' . $to);
-    }
-
-
-    /**
-     * Sets the modified time of $filename to now.
-     *
-     * @param string $filename
-     * @return void
-     */
-    public function touchFile($filename)
-    {
-        return touch($this->_dirPath .'/'. $filename);
-    }
-
-
-    /**
-     * Returns a Zend_Search_Lucene_Storage_File object for a given $filename in the directory.
-     *
-     * @param string $filename
-     * @return Zend_Search_Lucene_Storage_File
-     */
-    public function getFileObject($filename)
-    {
-        if (isset( $this->_fileHandlers[$filename] )) {
-            $this->_fileHandlers[$filename]->seek(0);
-            return $this->_fileHandlers[$filename];
-        }
-
-        $this->_fileHandlers[$filename] = new Zend_Search_Lucene_Storage_File_Filesystem($this->_dirPath . '/' . $filename, 'rb');
-        return $this->_fileHandlers[$filename];
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File.php b/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File.php
deleted file mode 100644
index f62af33a..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File.php
+++ /dev/null
@@ -1,376 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-abstract class Zend_Search_Lucene_Storage_File
-{
-
-    /**
-     * Class constructor.  Open the file.
-     */
-    abstract public function __construct($filename, $mode='r');
-
-
-    /**
-     * Reads $length number of bytes at the current position in the
-     * file and advances the file pointer.
-     *
-     * @param integer $length
-     * @return string
-     */
-    abstract protected function _fread($length=1);
-
-
-    /**
-     * Sets the file position indicator and advances the file pointer.
-     * The new position, measured in bytes from the beginning of the file,
-     * is obtained by adding offset to the position specified by whence,
-     * whose values are defined as follows:
-     * SEEK_SET - Set position equal to offset bytes.
-     * SEEK_CUR - Set position to current location plus offset.
-     * SEEK_END - Set position to end-of-file plus offset. (To move to
-     * a position before the end-of-file, you need to pass a negative value
-     * in offset.)
-     * Upon success, returns 0; otherwise, returns -1
-     *
-     * @param integer $offset
-     * @param integer $whence
-     * @return integer
-     */
-    abstract public function seek($offset, $whence=SEEK_SET);
-
-    /**
-     * Get file position.
-     *
-     * @return integer
-     */
-    abstract public function tell();
-
-    /**
-     * Writes $length number of bytes (all, if $length===null) to the end
-     * of the file.
-     *
-     * @param string $data
-     * @param integer $length
-     */
-    abstract protected function _fwrite($data, $length=null);
-
-
-    /**
-     * Reads a byte from the current position in the file
-     * and advances the file pointer.
-     *
-     * @return integer
-     */
-    public function readByte()
-    {
-        return ord($this->_fread(1));
-    }
-
-    /**
-     * Writes a byte to the end of the file.
-     *
-     * @param integer $byte
-     */
-    public function writeByte($byte)
-    {
-        return $this->_fwrite(chr($byte), 1);
-    }
-
-    /**
-     * Read num bytes from the current position in the file
-     * and advances the file pointer.
-     *
-     * @param integer $num
-     * @return string
-     */
-    public function readBytes($num)
-    {
-        return $this->_fread($num);
-    }
-
-    /**
-     * Writes num bytes of data (all, if $num===null) to the end
-     * of the file.
-     *
-     * @param string $data
-     * @param integer $num
-     */
-    public function writeBytes($data, $num=null)
-    {
-        $this->_fwrite($data, $num);
-    }
-
-
-    /**
-     * Reads an integer from the current position in the file
-     * and advances the file pointer.
-     *
-     * @return integer
-     */
-    public function readInt()
-    {
-        $str = $this->_fread(4);
-
-        return  ord($str{0}) << 24 |
-                ord($str{1}) << 16 |
-                ord($str{2}) << 8  |
-                ord($str{3});
-    }
-
-
-    /**
-     * Writes an integer to the end of file.
-     *
-     * @param integer $value
-     */
-    public function writeInt($value)
-    {
-        settype($value, 'integer');
-        $this->_fwrite( chr($value>>24 & 0xFF) .
-                        chr($value>>16 & 0xFF) .
-                        chr($value>>8  & 0xFF) .
-                        chr($value     & 0xFF),   4  );
-    }
-
-
-    /**
-     * Returns a long integer from the current position in the file
-     * and advances the file pointer.
-     *
-     * @return integer
-     */
-    public function readLong()
-    {
-        $str = $this->_fread(8);
-
-        /**
-         * PHP uses long as largest integer. fseek() uses long for offset.
-         * long has 4 bytes in a lot of systems. 4 bytes are discarded to prevent
-         * conversion to float.
-         * So, largest index segment file is 2Gb
-         */
-        return  /* ord($str{0}) << 56  | */
-                /* ord($str{1}) << 48  | */
-                /* ord($str{2}) << 40  | */
-                /* ord($str{3}) << 32  | */
-                ord($str{4}) << 24  |
-                ord($str{5}) << 16  |
-                ord($str{6}) << 8   |
-                ord($str{7});
-    }
-
-    /**
-     * Writes long integer to the end of file
-     *
-     * @param integer $value
-     */
-    public function writeLong($value)
-    {
-        /**
-         * PHP uses long as largest integer. fseek() uses long for offset.
-         * long has 4 bytes in a lot of systems. 4 bytes are discarded to prevent
-         * conversion to float.
-         * So, largest index segment file is 2Gb
-         */
-        settype($value, 'integer');
-        $this->_fwrite( "\x00\x00\x00\x00"     .
-                        chr($value>>24 & 0xFF) .
-                        chr($value>>16 & 0xFF) .
-                        chr($value>>8  & 0xFF) .
-                        chr($value     & 0xFF),   8  );
-    }
-
-
-
-    /**
-     * Returns a variable-length integer from the current
-     * position in the file and advances the file pointer.
-     *
-     * @return integer
-     */
-    public function readVInt()
-    {
-        $nextByte = ord($this->_fread(1));
-        $val = $nextByte & 0x7F;
-
-        for ($shift=7; ($nextByte & 0x80) != 0; $shift += 7) {
-            $nextByte = ord($this->_fread(1));
-            $val |= ($nextByte & 0x7F) << $shift;
-        }
-        return $val;
-    }
-
-    /**
-     * Writes a variable-length integer to the end of file.
-     *
-     * @param integer $value
-     */
-    public function writeVInt($value)
-    {
-        settype($value, 'integer');
-        while ($value > 0x7F) {
-            $this->_fwrite(chr( ($value & 0x7F)|0x80 ));
-            $value >>= 7;
-        }
-        $this->_fwrite(chr($value));
-    }
-
-
-    /**
-     * Reads a string from the current position in the file
-     * and advances the file pointer.
-     *
-     * @return string
-     */
-    public function readString()
-    {
-        $strlen = $this->readVInt();
-        if ($strlen == 0) {
-            return '';
-        } else {
-            /**
-             * This implementation supports only Basic Multilingual Plane
-             * (BMP) characters (from 0x0000 to 0xFFFF) and doesn't support
-             * "supplementary characters" (characters whose code points are
-             * greater than 0xFFFF)
-             * Java 2 represents these characters as a pair of char (16-bit)
-             * values, the first from the high-surrogates range (0xD800-0xDBFF),
-             * the second from the low-surrogates range (0xDC00-0xDFFF). Then
-             * they are encoded as usual UTF-8 characters in six bytes.
-             * Standard UTF-8 representation uses four bytes for supplementary
-             * characters.
-             */
-
-            $str_val = $this->_fread($strlen);
-
-            for ($count = 0; $count < $strlen; $count++ ) {
-                if (( ord($str_val{$count}) & 0xC0 ) == 0xC0) {
-                    $addBytes = 1;
-                    if (ord($str_val{$count}) & 0x20 ) {
-                        $addBytes++;
-
-                        // Never used. Java2 doesn't encode strings in four bytes
-                        if (ord($str_val{$count}) & 0x10 ) {
-                            $addBytes++;
-                        }
-                    }
-                    $str_val .= $this->_fread($addBytes);
-                    $strlen += $addBytes;
-
-                    // Check for null character. Java2 encodes null character
-                    // in two bytes.
-                    if (ord($str_val{$count})   == 0xC0 &&
-                        ord($str_val{$count+1}) == 0x80   ) {
-                        $str_val{$count} = 0;
-                        $str_val = substr($str_val,0,$count+1)
-                                 . substr($str_val,$count+2);
-                    }
-                    $count += $addBytes;
-                }
-            }
-
-            return $str_val;
-        }
-    }
-
-    /**
-     * Writes a string to the end of file.
-     *
-     * @param string $str
-     * @throws Zend_Search_Lucene_Exception
-     */
-    public function writeString($str)
-    {
-        /**
-         * This implementation supports only Basic Multilingual Plane
-         * (BMP) characters (from 0x0000 to 0xFFFF) and doesn't support
-         * "supplementary characters" (characters whose code points are
-         * greater than 0xFFFF)
-         * Java 2 represents these characters as a pair of char (16-bit)
-         * values, the first from the high-surrogates range (0xD800-0xDBFF),
-         * the second from the low-surrogates range (0xDC00-0xDFFF). Then
-         * they are encoded as usual UTF-8 characters in six bytes.
-         * Standard UTF-8 representation uses four bytes for supplementary
-         * characters.
-         */
-
-        // convert input to a string before iterating string characters
-        settype($str, 'string');
-
-        $chars = $strlen = strlen($str);
-        $containNullChars = false;
-
-        for ($count = 0; $count < $strlen; $count++ ) {
-            /**
-             * String is already in Java 2 representation.
-             * We should only calculate actual string length and replace
-             * \x00 by \xC0\x80
-             */
-            if ((ord($str{$count}) & 0xC0) == 0xC0) {
-                $addBytes = 1;
-                if (ord($str{$count}) & 0x20 ) {
-                    $addBytes++;
-
-                    // Never used. Java2 doesn't encode strings in four bytes
-                    // and we dont't support non-BMP characters
-                    if (ord($str{$count}) & 0x10 ) {
-                        $addBytes++;
-                    }
-                }
-                $chars -= $addBytes;
-
-                if (ord($str{$count}) == 0 ) {
-                    $containNullChars = true;
-                }
-                $count += $addBytes;
-            }
-        }
-
-        if ($chars < 0) {
-            throw new Zend_Search_Lucene_Exception('Invalid UTF-8 string');
-        }
-
-        $this->writeVInt($chars);
-        if ($containNullChars) {
-            $this->_fwrite(str_replace($str, "\x00", "\xC0\x80"));
-        } else {
-            $this->_fwrite($str);
-        }
-    }
-
-
-    /**
-     * Reads binary data from the current position in the file
-     * and advances the file pointer.
-     *
-     * @return string
-     */
-    public function readBinary()
-    {
-        return $this->_fread($this->readVInt());
-    }
-}
\ No newline at end of file
diff --git a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File/Filesystem.php b/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File/Filesystem.php
deleted file mode 100644
index fc6adcf5..00000000
--- a/buildscripts/texbuilder/Zend/Search/Lucene/Storage/File/Filesystem.php
+++ /dev/null
@@ -1,170 +0,0 @@
-<?php
-/**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to version 1.0 of the Zend Framework
- * license, that is bundled with this package in the file LICENSE, and
- * is available through the world-wide-web at the following URL:
- * http://www.zend.com/license/framework/1_0.txt. If you did not receive
- * a copy of the Zend Framework license and are unable to obtain it
- * through the world-wide-web, please send a note to license@zend.com
- * so we can mail you a copy immediately.
- *
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- */
-
-
-/** Zend_Search_Lucene_Storage_File */
-require_once 'Zend/Search/Lucene/Storage/File.php';
-
-/** Zend_Search_Lucene_Exception */
-require_once 'Zend/Search/Lucene/Exception.php';
-
-
-/**
- * @package    Zend_Search_Lucene
- * @subpackage Storage
- * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
- * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
- *
- */
-class Zend_Search_Lucene_Storage_File_Filesystem extends Zend_Search_Lucene_Storage_File
-{
-    /**
-     * Resource of the open file
-     *
-     * @var resource
-     */
-    private $_fileHandle;
-
-
-    /**
-     * Class constructor.  Open the file.
-     *
-     * @param string $filename
-     * @param string $mode
-     */
-    public function __construct($filename, $mode='rb')
-    {
-        global $php_errormsg;
-
-        $trackErrors = ini_get( "track_errors");
-        ini_set('track_errors', '1');
-
-        $this->_fileHandle = @fopen($filename, $mode);
-
-        if ($this->_fileHandle===false) {
-            ini_set('track_errors', $trackErrors);
-            throw new Zend_Search_Lucene_Exception($php_errormsg);
-        }
-
-        ini_set('track_errors', $trackErrors);
-    }
-
-
-    /**
-     * Sets the file position indicator and advances the file pointer.
-     * The new position, measured in bytes from the beginning of the file,
-     * is obtained by adding offset to the position specified by whence,
-     * whose values are defined as follows:
-     * SEEK_SET - Set position equal to offset bytes.
-     * SEEK_CUR - Set position to current location plus offset.
-     * SEEK_END - Set position to end-of-file plus offset. (To move to
-     * a position before the end-of-file, you need to pass a negative value
-     * in offset.)
-     * Upon success, returns 0; otherwise, returns -1
-     *
-     * @param integer $offset
-     * @param integer $whence
-     * @return integer
-     */
-    public function seek($offset, $whence=SEEK_SET)
-    {
-        return fseek($this->_fileHandle, $offset, $whence);
-    }
-
-
-    /**
-     * Get file position.
-     *
-     * @return integer
-     */
-    public function tell()
-    {
-        return ftell($this->_fileHandle);
-    }
-
-
-    /**
-     * Close File object
-     */
-    public function close()
-    {
-        if ($this->_fileHandle !== null ) {
-            @fclose($this->_fileHandle);
-            $this->_fileHandle = null;
-        }
-    }
-
-    /**
-     * Get the size of the already opened file
-     *
-     * @return integer
-     */
-    public function size()
-    {
-        $position = ftell($this->_fileHandle);
-        fseek($this->_fileHandle, 0, SEEK_END);
-        $size = ftell($this->_fileHandle);
-        fseek($this->_fileHandle,$position);
-
-        return $size;
-    }
-
-    /**
-     * Read a $length bytes from the file and advance the file pointer.
-     *
-     * @param integer $length
-     * @return string
-     */
-    protected function _fread($length=1)
-    {
-        if ($length == 0) {
-            return '';
-        }
-
-        if ($length < 1024) {
-            return fread($this->_fileHandle, $length);
-        }
-
-        $data = '';
-        while ( $length > 0 && ($nextBlock = fread($this->_fileHandle, $length)) != false ) {
-            $data .= $nextBlock;
-            $length -= strlen($nextBlock);
-        }
-        return $data;
-    }
-
-
-    /**
-     * Writes $length number of bytes (all, if $length===null) to the end
-     * of the file.
-     *
-     * @param string $data
-     * @param integer $length
-     */
-    protected function _fwrite($data, $length=null)
-    {
-        if ($length === null ) {
-            fwrite($this->_fileHandle, $data);
-        } else {
-            fwrite($this->_fileHandle, $data, $length);
-        }
-    }
-}
-
diff --git a/buildscripts/texbuilder/Zend/Search/TODO.txt b/buildscripts/texbuilder/Zend/Search/TODO.txt
deleted file mode 100644
index 06f7b487..00000000
--- a/buildscripts/texbuilder/Zend/Search/TODO.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-@todo
-
-- Improve API: fix ZSearchMultiTermQuery($terms, $signs);
-
-- Analysis and indexing engine
-
-- Additional queries: phrase, wildcard, proximity, and range
-
-- Better class-level docblocks (most functions okay)
-
-- Some Windows issues(?) during indexing
-
-- Finish renaming classes to PEAR-like conventions
-