release of libxml2 2.6.28 patch from Dagfinn I. Mannsåker for idness of

* doc/* configure.in NEWS: release of libxml2 2.6.28
* valid.c: patch from Dagfinn I. Mannsåker for idness of name
  in HTML, c.f. bug #305885.
Daniel

svn path=/trunk/; revision=3638
diff --git a/doc/APIchunk10.html b/doc/APIchunk10.html
index c55e04a..38a6660 100644
--- a/doc/APIchunk10.html
+++ b/doc/APIchunk10.html
@@ -453,7 +453,8 @@
 <a href="html/libxml-parserInternals.html#xmlParserHandlePEReference">xmlParserHandlePEReference</a><br />
 </dd><dt>appearing</dt><dd><a href="html/libxml-valid.html#xmlValidatePopElement">xmlValidatePopElement</a><br />
 <a href="html/libxml-valid.html#xmlValidatePushElement">xmlValidatePushElement</a><br />
-</dd><dt>appears</dt><dd><a href="html/libxml-xmlregexp.html#xmlExpGetStart">xmlExpGetStart</a><br />
+</dd><dt>appears</dt><dd><a href="html/libxml-uri.html#_xmlURI">_xmlURI</a><br />
+<a href="html/libxml-xmlregexp.html#xmlExpGetStart">xmlExpGetStart</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseCharData">xmlParseCharData</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseElementChildrenContentDecl">xmlParseElementChildrenContentDecl</a><br />
 <a href="html/libxml-parserInternals.html#xmlParseEntityRef">xmlParseEntityRef</a><br />