paalied patch from Julio M. Merino Vidal fixing bug #134751 to fix

* configure.in doc/Makefile.am include/libxml/Makefile.am:
  paalied patch from Julio M. Merino Vidal fixing bug #134751
  to fix --with-html-dir option.
* doc/*: rebuilt fully the docs
* doc/html/libxml-xmlsave.html: new file from new header.
Daniel
diff --git a/doc/APIchunk25.html b/doc/APIchunk25.html
index 01bc2c6..cabe9f1 100644
--- a/doc/APIchunk25.html
+++ b/doc/APIchunk25.html
@@ -355,6 +355,10 @@
 </dd><dt>xmlSAX2StartElement</dt><dd><a href="html/libxml-SAX.html#startElement">startElement</a><br />
 </dd><dt>xmlSAX2UnparsedEntityDecl</dt><dd><a href="html/libxml-SAX.html#unparsedEntityDecl">unparsedEntityDecl</a><br />
 </dd><dt>xmlSAXVersion</dt><dd><a href="html/libxml-SAX2.html#xmlSAXDefaultVersion">xmlSAXDefaultVersion</a><br />
+</dd><dt>xmlSaveOptions</dt><dd><a href="html/libxml-xmlsave.html#xmlSaveToBuffer">xmlSaveToBuffer</a><br />
+<a href="html/libxml-xmlsave.html#xmlSaveToFd">xmlSaveToFd</a><br />
+<a href="html/libxml-xmlsave.html#xmlSaveToFilename">xmlSaveToFilename</a><br />
+<a href="html/libxml-xmlsave.html#xmlSaveToIO">xmlSaveToIO</a><br />
 </dd><dt>xmlSetExternalEntityLoader</dt><dd><a href="html/libxml-SAX.html#resolveEntity">resolveEntity</a><br />
 <a href="html/libxml-parser.html#resolveEntitySAXFunc">resolveEntitySAXFunc</a><br />
 <a href="html/libxml-SAX2.html#xmlSAX2ResolveEntity">xmlSAX2ResolveEntity</a><br />