2.6.23: Jan 5 2006:
   - portability fixes: Windows (Rob Richards), getaddrinfo on Windows
    (Kolja Nowak, Rob Richards), icc warnings (Kjartan Maraas),
    --with-minimum compilation fixes (William Brack), error case handling fix
    on Solaris (Albert Chin), don't use 'list' as parameter name reported by
    Samuel Diaz Garcia, more old Unices portability fixes (Albert Chin),
    MinGW compilation (Mark Junker), HP-UX compiler warnings (Rick Jones),
  
   - code cleanup: xmlReportError (Adrian Mouat), remove xmlBufferClose
    (Geert Jansen), unreachable code (Oleksandr Kononenko), refactoring
    parsing code (Bjorn Reese)
   - bug fixes: xmlBuildRelativeURI and empty path (William Brack),
    combinatory explosion and performances in regexp code, leak in
    xmlTextReaderReadString(), xmlStringLenDecodeEntities problem (Massimo
    Morara), Identity Constraints bugs and a segfault (Kasimier Buchcik),
    XPath pattern based evaluation bugs (DV & Kasimier),
    xmlSchemaContentModelDump() memory leak (Kasimier), potential leak in
    xmlSchemaCheckCSelectorXPath(), xmlTextWriterVSprintf() misuse of
    vsnprintf (William Brack), XHTML serialization fix (Rob Richards), CRLF
    split problem (William), issues with non-namespaced attributes in
    xmlAddChild() xmlAddNextSibling() and xmlAddPrevSibling() (Rob Richards),
    HTML parsing of script, Python must not output to stdout (Nic Ferrier),
    exclusive C14N namespace visibility (Aleksey Sanin), XSD dataype
    totalDigits bug (Kasimier Buchcik), error handling when writing to an
    xmlBuffer (Rob Richards), runtest schemas error not reported (Hisashi
    Fujinaka), signed/unsigned problem in date/time code (Albert Chin), fix
    XSI driven XSD validation (Kasimier), parsing of xs:decimal (Kasimier),
    fix DTD writer output (Rob Richards), leak in xmlTextReaderReadInnerXml
    (Gary Coady), regexp bug affecting schemas (Kasimier), configuration of
    runtime debugging (Kasimier), xmlNodeBufGetContent bug on entity refs
    (Oleksandr Kononenko), xmlRegExecPushString2 bug (Sreeni Nair),
    compilation and build fixes (Michael Day), removed dependancies on
    xmlSchemaValidError (Kasimier), bug with <xml:foo/>, more XPath
    pattern based evaluation fixes (Kasimier)
   - improvements: XSD Schemas redefinitions/restrictions (Kasimier
    Buchcik), node copy checks and fix for attribute (Rob Richards), counted
    transition bug in regexps, ctxt->standalone = -2 to indicate no
    standalone attribute was found, add xmlSchemaSetParserStructuredErrors()
    (Kasimier Buchcik), add xmlTextReaderSchemaValidateCtxt() to API
    (Kasimier), handle gzipped HTTP resources (Gary Coady), add
    htmlDocDumpMemoryFormat. (Rob Richards), 
   - documentation: typo (Michael Day), libxml man page (Albert Chin), save
    function to XML buffer (Geert Jansen), small doc fix (Aron Stansvik),