Log Message:
Update to 2.6.29:

2.6.29: Jun 12 2007:
   - Portability: patches from Andreas Stricke for WinCEi,
      fix compilation warnings (William Brack), avoid warnings on Apple OS/X
      (Wendy Doyle and Mark Rowe), Windows compilation and threading
      improvements (Rob Richards), compilation against old Python versions,
      new GNU tar changes (Ryan Hill)
   - Documentation: xmlURIUnescapeString comment,
   - Bugfixes: xmlBufferAdd problem (Richard Jones), 'make valgrind'
      flag fix (Richard Jones), regexp interpretation of \,
      htmlCreateDocParserCtxt (Jean-Daniel Dupas), configure.in
      typo (Bjorn Reese), entity content failure, xmlListAppend() fix
      (Georges-André Silber), XPath number serialization (William Brack),
      nanohttp gzipped stream fix (William Brack and Alex Cornejo),
      xmlCharEncFirstLine typo (Mark Rowe), uri bug (François Delyon),
      XPath string value of PI nodes (William Brack), XPath node set
      sorting bugs (William Brack), avoid outputting namespace decl
      dups in the writer (Rob Richards), xmlCtxtReset bug, UTF-8 encoding
      error handling, recustion on next in catalogs, fix a Relax-NG crash,
      workaround wrong file: URIs, htmlNodeDumpFormatOutput on attributes,
      invalid character in attribute detection bug, big comments before
      internal subset streaming bug, HTML parsing of attributes with : in
      the name
   - Improvement: keep URI query parts in raw form (Richard Jones),
      embed tag support in HTML (Michael Day)