Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/LICENSE.txt
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/LICENSE.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/LICENSE.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,264 @@
+LICENSE
+
+   Copyright (c) 2008 N. Quaine - NexWave Solutions All Rights Reserved. 
+
+CONDITIONS
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 
+Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
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+Neither the name of the copyright holders nor the names of the contributors may be used to endorse or promote products derived from this software without specific prior written permission. 
+
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
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+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
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+
+Some code in src/java/org/apache/lucene/util/UnicodeUtil.java was
+derived from unicode conversion examples available at
+http://www.unicode.org/Public/PROGRAMS/CVTUTF.  Here is the copyright
+from those sources:
+
+/*
+ * Copyright 2001-2004 Unicode, Inc.
+ * 
+ * Disclaimer
+ * 
+ * This source code is provided as is by Unicode, Inc. No claims are
+ * made as to fitness for any particular purpose. No warranties of any
+ * kind are expressed or implied. The recipient agrees to determine
+ * applicability of information provided. If this file has been
+ * purchased on magnetic or optical media from Unicode, Inc., the
+ * sole remedy for any claim will be exchange of defective media
+ * within 90 days of receipt.
+ * 
+ * Limitations on Rights to Redistribute This Code
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+ * supplied in this file in the creation of products supporting the
+ * Unicode Standard, and to make copies of this file in any form
+ * for internal or external distribution as long as this notice
+ * remains attached.
+ */
+
+
+Some code in src/java/org/apache/lucene/util/ArrayUtil.java was
+derived from Python 2.4.2 sources available at
+http://www.python.org. Full license is here:
+
+  http://www.python.org/download/releases/2.4.2/license/
+
+
Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/NOTICE.txt
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/NOTICE.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/NOTICE.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,12 @@
+The webhelpindexer is released under the Apache 2.0 license and
+includes software from other projects.
+
+The webhelpindexer was originally developed by N. Quaine and released
+under a MIT/BSD-style license. See LICENSE.txt.
+
+This product includes software developed by The Apache Software
+Foundation (http://www.apache.org/). See LICENSE.txt.
+
+This product also includes software released as part of the Snowball
+project maintained by Martin Porter and Richard Boulton released under
+a BSD-style license: http://snowball.tartarus.org/
Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.LIBXSLT
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.LIBXSLT	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.LIBXSLT	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,52 @@
+----------------------------------------------------------------------
+              README file for the libxslt extensions
+----------------------------------------------------------------------
+$Id: README.LIBXSLT 7877 2008-03-08 04:07:52Z xmldoc $
+
+These are XSLT extensions written in Python for use with the DocBook XML 
+stylesheets and the libxslt library[1].
+
+Currently, the only available extension is a function for adjusting column
+widths in tables. For more information, see the section describing the 
+equivalent Java extension in "DocBook XSL: The Complete Guide"[2].
+
+----------------------------------------------------------------------
+Preparations
+----------------------------------------------------------------------
+In addition to libxml2 and libxslt, the following software needs to 
+be installed before you start using the extensions:
+
+1. Python[3].
+
+2. Python bindings for libxml2/libxslt. Most distributions of 
+   libxml2/libxslt for Unix/Linux include these bindings.
+   A native Windows port is provided by Stéphane Bidoul[4].
+
+----------------------------------------------------------------------
+Installation of the extensions
+----------------------------------------------------------------------
+No special installation step is needed.
+
+----------------------------------------------------------------------
+How to use the extensions
+----------------------------------------------------------------------
+Instead of using xsltproc, you run a Python program (xslt.py). The 
+command has this general form:
+
+python xslt.py xmlfile xslfile [outputfile] [param1=val1 [param2=val]...]
+
+Modify paths, filenames, and parameters as needed. Make sure to set 
+the "use.extensions" and "tablecolumns.extension" parameters to 1.
+
+----------------------------------------------------------------------
+Manifest
+----------------------------------------------------------------------
+README.LIBXSLT   This file
+xslt.py          Executable script file
+docbook.py       Module that implements extensions
+
+----------------------------------------------------------------------
+[1] http://xmlsoft.org/XSLT
+[2] http://www.sagehill.net/docbookxsl/ColumnWidths.html
+[3] http://www.python.org/download
+[4] http://users.skynet.be/sbi/libxml-python
Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.txt
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/README.txt	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,4 @@
+See webhelp/docs/index.html for more information about the webhelp
+indexer and the webhelp output format. See webhelp/docs/index.html for
+more information about the webhelp indexer and the webhelp output
+format.
Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/docbook.py
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/docbook.py	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/docbook.py	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,239 @@
+# docbook.py: extension module
+# $Id: docbook.py 8353 2009-03-17 16:57:50Z mzjn $
+
+import sys
+import string
+import libxml2
+import libxslt
+import re
+import math
+
+# Some globals
+pixelsPerInch = 96.0
+unitHash = { 'in': pixelsPerInch,
+             'cm': pixelsPerInch / 2.54,
+             'mm': pixelsPerInch / 25.4,
+             'pc': (pixelsPerInch / 72.0) * 12,
+             'pt': pixelsPerInch / 72.0,
+             'px': 1 }
+
+# ======================================================================
+
+def adjustColumnWidths(ctx, nodeset):
+    #
+    # Small check to verify the context is correcly accessed
+    #
+    try:
+        pctxt = libxslt.xpathParserContext(_obj=ctx)
+        ctxt = pctxt.context()
+        tctxt = ctxt.transformContext()
+    except:
+        pass
+
+    # Get the nominal table width
+    varString = lookupVariable(tctxt, "nominal.table.width", None)
+    if varString == None:
+        nominalWidth = 6 * pixelsPerInch;
+    else:
+        nominalWidth = convertLength(varString);
+
+    # Get the requested table width
+    tableWidth = lookupVariable(tctxt, "table.width", "100%")
+
+    foStylesheet = (tctxt.variableLookup("stylesheet.result.type", None) == "fo")
+
+    relTotal = 0
+    relParts = []
+
+    absTotal = 0
+    absParts = []
+
+    colgroup = libxml2.xmlNode(_obj = nodeset[0])
+    # If this is an foStylesheet, we've been passed a list of fo:table-columns.
+    # Otherwise we've been passed a colgroup that contains a list of cols.
+    if foStylesheet:
+        colChildren = colgroup
+    else:
+        colChildren = colgroup.children
+
+    col = colChildren
+    while col != None:
+        if foStylesheet:
+            width = col.prop("column-width")
+        else:
+            width = col.prop("width")
+
+        if width == None:
+            width = "1*"
+
+        relPart = 0.0
+        absPart = 0.0
+        starPos = string.find(width, "*")
+        if starPos >= 0:
+            relPart, absPart = string.split(width, "*", 2)
+            relPart = float(relPart)
+            relTotal = relTotal + float(relPart)
+        else:
+            absPart = width
+
+        pixels = convertLength(absPart)
+        absTotal = absTotal + pixels
+
+        relParts.append(relPart)
+        absParts.append(pixels)
+
+        col = col.next
+
+    # Ok, now we have the relative widths and absolute widths in
+    # two parallel arrays.
+    #
+    # - If there are no relative widths, output the absolute widths
+    # - If there are no absolute widths, output the relative widths
+    # - If there are a mixture of relative and absolute widths,
+    #   - If the table width is absolute, turn these all into absolute
+    #     widths.
+    #   - If the table width is relative, turn these all into absolute
+    #     widths in the nominalWidth and then turn them back into
+    #     percentages.
+
+    widths = []
+
+    if relTotal == 0:
+        for absPart in absParts:
+            if foStylesheet:
+                inches = absPart / pixelsPerInch
+                widths.append("%4.2fin" % inches)
+            else:
+                widths.append("%d" % absPart)
+    elif absTotal == 0:
+        for relPart in relParts:
+            rel = relPart / relTotal * 100
+            widths.append(rel)
+        widths = correctRoundingError(widths)
+    else:
+        pixelWidth = nominalWidth
+        if string.find(tableWidth, "%") < 0:
+            pixelWidth = convertLength(tableWidth)
+
+        if pixelWidth <= absTotal:
+            print "Table is wider than table width"
+        else:
+            pixelWidth = pixelWidth - absTotal
+
+        absTotal = 0
+        for count in range(len(relParts)):
+            rel = relParts[count] / relTotal * pixelWidth
+            relParts[count] = rel + absParts[count]
+            absTotal = absTotal + rel + absParts[count]
+
+        if string.find(tableWidth, "%") < 0:
+            for count in range(len(relParts)):
+                if foStylesheet:
+                    pixels = relParts[count]
+                    inches = pixels / pixelsPerInch
+                    widths.append("%4.2fin" % inches)
+                else:
+                    widths.append(relParts[count])
+        else:
+            for count in range(len(relParts)):
+                rel = relParts[count] / absTotal * 100
+                widths.append(rel)
+            widths = correctRoundingError(widths)
+
+    # Danger, Will Robinson! In-place modification of the result tree!
+    # Side-effect free? We don' need no steenkin' side-effect free!
+    count = 0
+    col = colChildren
+    while col != None:
+        if foStylesheet:
+            col.setProp("column-width", widths[count])
+        else:
+            col.setProp("width", widths[count])
+
+        count = count+1
+        col = col.next
+
+    return nodeset
+
+def convertLength(length):
+    # Given "3.4in" return the width in pixels
+    global pixelsPerInch
+    global unitHash
+
+    m = re.search('([+-]?[\d\.]+)(\S+)', length)
+    if m != None and m.lastindex > 1:
+        unit = pixelsPerInch
+        if unitHash.has_key(m.group(2)):
+            unit = unitHash[m.group(2)]
+        else:
+            print "Unrecognized length: " + m.group(2)
+
+        pixels = unit * float(m.group(1))
+    else:
+        pixels = 0
+
+    return pixels
+
+def correctRoundingError(floatWidths):
+    # The widths are currently floating point numbers, we have to truncate
+    # them back to integers and then distribute the error so that they sum
+    # to exactly 100%.
+
+    totalWidth = 0
+    widths = []
+    for width in floatWidths:
+        width = math.floor(width)
+        widths.append(width)
+        totalWidth = totalWidth + math.floor(width)
+
+    totalError = 100 - totalWidth
+    columnError = totalError / len(widths)
+    error = 0
+    for count in range(len(widths)):
+        width = widths[count]
+        error = error + columnError
+        if error >= 1.0:
+            adj = math.floor(error)
+            error = error - adj
+            widths[count] = "%d%%" % (width + adj)
+        else:
+            widths[count] = "%d%%" % width
+
+    return widths
+
+def lookupVariable(tctxt, varName, default):
+    varString = tctxt.variableLookup(varName, None)
+    if varString == None:
+        return default
+
+    # If it's a list, get the first element
+    if type(varString) == type([]):
+        varString = varString[0]
+
+    # If it's not a string, it must be a node, get its content
+    if type(varString) != type(""):
+        varString = varString.content
+
+    return varString
+
+# ======================================================================
+# Random notes...
+
+#once you have a node which is a libxml2 python xmlNode wrapper all common
+#operations are possible:
+#   .children .last .parent .next .prev .doc for navigation
+#   .content .type for introspection
+#   .prop("attribute_name") to lookup attribute values
+
+#    # Now make a nodeset to return
+#    # Danger, Will Robinson! This creates a memory leak!
+#    newDoc = libxml2.newDoc("1.0")
+#    newColGroup = newDoc.newDocNode(None, "colgroup", None)
+#    newDoc.addChild(newColGroup)
+#    col = colgroup.children
+#    while col != None:
+#        newCol = newDoc.newDocNode(None, "col", None)
+#        newCol.copyPropList(col);
+#        newCol.setProp("width", "4")
+#        newColGroup.addChild(newCol)
+#        col = col.next
Index: stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/xslt.py
===================================================================
--- stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/xslt.py	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
+++ stylesheets/lfs-xsl/docbook-xsl-1.78.1/extensions/xslt.py	(revision b1a51ac18a0ba70461444d4780d9fcdee3b5ce6d)
@@ -0,0 +1,84 @@
+#!/usr/bin/python -u
+# $Id: xslt.py 8353 2009-03-17 16:57:50Z mzjn $
+
+import sys
+import libxml2
+import libxslt
+from docbook import adjustColumnWidths
+
+# Check the arguments
+usage = "Usage: %s xmlfile.xml xslfile.xsl [outputfile] [param1=val [param2=val]...]" % sys.argv[0]
+
+xmlfile = None
+xslfile = None
+outfile = "-"
+params  = {}
+
+try:
+    xmlfile = sys.argv[1]
+    xslfile = sys.argv[2]
+except IndexError:
+    print usage
+    sys.exit(1)
+
+def quote(astring):
+    if astring.find("'") < 0:
+        return "'" + astring + "'"
+    else:
+        return '"' + astring + '"'
+
+try:
+    outfile = sys.argv[3]
+    if outfile.find("=") > 0:
+        name, value = outfile.split("=", 2)
+        params[name] = quote(value)
+        outfile = None
+
+    count = 4
+    while (sys.argv[count]):
+        try:
+            name, value = sys.argv[count].split("=", 2)
+            if params.has_key(name):
+                print "Warning: '%s' re-specified; replacing value" % name
+            params[name] = quote(value)
+        except ValueError:
+            print "Invalid parameter specification: '" + sys.argv[count] + "'"
+            print usage
+            sys.exit(1)
+        count = count+1
+except IndexError:
+    pass
+
+# ======================================================================
+# Memory debug specific
+# libxml2.debugMemory(1)
+
+# Setup environment
+libxml2.lineNumbersDefault(1)
+libxml2.substituteEntitiesDefault(1)
+libxslt.registerExtModuleFunction("adjustColumnWidths",
+                                  "http://nwalsh.com/xslt/ext/xsltproc/python/Table",
+                                  adjustColumnWidths)
+
+# Initialize and run
+styledoc = libxml2.parseFile(xslfile)
+style = libxslt.parseStylesheetDoc(styledoc)
+doc = libxml2.parseFile(xmlfile)
+result = style.applyStylesheet(doc, params)
+
+# Save the result
+if outfile:
+    style.saveResultToFilename(outfile, result, 0)
+else:
+    print result
+
+# Free things up
+style.freeStylesheet()
+doc.freeDoc()
+result.freeDoc()
+
+# Memory debug specific
+#libxslt.cleanup()
+#if libxml2.debugMemory(1) != 0:
+#    print "Memory leak %d bytes" % (libxml2.debugMemory(1))
+#    libxml2.dumpMemory()
