fixes documetation glitches raised by Oliver Stoeneberg Daniel

* doc/ChangeLog.xsl doc/downloads.html doc/xml.html doc/*:
  fixes documetation glitches raised by Oliver Stoeneberg
Daniel
diff --git a/doc/APIchunk20.html b/doc/APIchunk20.html
index 8a771c6..13ab6e4 100644
--- a/doc/APIchunk20.html
+++ b/doc/APIchunk20.html
@@ -185,6 +185,10 @@
 <a href="html/libxml-DOCBparser.html#docbEncodeEntities">docbEncodeEntities</a><br />
 <a href="html/libxml-HTMLparser.html#htmlEncodeEntities">htmlEncodeEntities</a><br />
 <a href="html/libxml-encoding.html#isolat1ToUTF8">isolat1ToUTF8</a><br />
+<a href="html/libxml-tree.html#xmlBufferAdd">xmlBufferAdd</a><br />
+<a href="html/libxml-tree.html#xmlBufferAddHead">xmlBufferAddHead</a><br />
+<a href="html/libxml-tree.html#xmlBufferCCat">xmlBufferCCat</a><br />
+<a href="html/libxml-tree.html#xmlBufferCat">xmlBufferCat</a><br />
 <a href="html/libxml-encoding.html#xmlCharEncodingInputFunc">xmlCharEncodingInputFunc</a><br />
 <a href="html/libxml-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a><br />
 <a href="html/libxml-relaxng.html#xmlRelaxNGValidateDoc">xmlRelaxNGValidateDoc</a><br />