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libxml,在UNIX/LINUX下非常重要的一个库,为XML相关应用提供方便.目前上载的是最新版本,若要取得最新版本,请参考里面的readme.

    (William), structured error handler callback context (William), reverse
    xmlEncodeSpecialChars() behaviour back to escaping '"'</li>
</ul><h3>2.6.9: Apr 18 2004</h3><ul><li>implement xml:id Working Draft, relaxed XPath id() checking</li>
  <li>bugfixes: xmlCtxtReset (Brent Hendricks), line number and CDATA (Dave
    Beckett), Relax-NG compilation (William Brack), Regexp patches (with
    William), xmlUriEscape (Mark Vakoc), a Relax-NG notAllowed problem (with
    William), Relax-NG name classes compares (William), XInclude duplicate
    fallback (William), external DTD encoding detection (William), a DTD
    validation bug (William), xmlReader Close() fix, recusive extention
    schemas</li>
  <li>improvements: use xmlRead* APIs in test tools (Mark Vakoc), indenting
    save optimization, better handle IIS broken HTTP redirect  behaviour (Ian
    Hummel), HTML parser frameset (James Bursa), libxml2-python RPM
    dependancy, XML Schemas union support (Kasimier Buchcik), warning removal
    clanup (William), keep ChangeLog compressed when installing from RPMs</li>
  <li>documentation: examples and xmlDocDumpMemory docs (John Fleck), new
    example (load, xpath, modify, save), xmlCatalogDump() comments,</li>
  <li>Windows: Borland C++ builder (Eric Zurcher), work around Microsoft
    compiler NaN handling bug (Mark Vakoc)</li>
</ul><h3>2.6.8: Mar 23 2004</h3><ul><li>First step of the cleanup of the serialization code and APIs</li>
  <li>XML Schemas: mixed content (Adam Dickmeiss), QName handling fixes (Adam
    Dickmeiss), anyURI for "" (John Belmonte)</li>
  <li>Python: Canonicalization C14N support added (Anthony Carrico)</li>
  <li>xmlDocCopyNode() extension (William)</li>
  <li>Relax-NG: fix when processing XInclude results (William), external
    reference in interleave (William), missing error on &lt;choice&gt;
    failure (William), memory leak in schemas datatype facets.</li>
  <li>xmlWriter: patch for better DTD support (Alfred Mickautsch)</li>
  <li>bug fixes: xmlXPathLangFunction memory leak (Mike Hommey and William
    Brack), no ID errors if using HTML_PARSE_NOERROR, xmlcatalog fallbacks to
    URI on SYSTEM lookup failure, XInclude parse flags inheritance (William),
    XInclude and XPointer fixes for entities (William), XML parser bug
    reported by Holger Rauch, nanohttp fd leak (William),  regexps char
    groups '-' handling (William), dictionnary reference counting problems,
    do not close stderr.</li>
  <li>performance patches from Petr Pajas</li>
  <li>Documentation fixes: XML_CATALOG_FILES in man pages (Mike Hommey)</li>
  <li>compilation and portability fixes: --without-valid, catalog cleanups
    (Peter Breitenlohner), MingW patch (Roland Schwingel), cross-compilation
    to Windows (Christophe de Vienne),  --with-html-dir fixup (Julio Merino
    Vidal), Windows build (Eric Zurcher)</li>
</ul><h3>2.6.7: Feb 23 2004</h3><ul><li>documentation: tutorial updates (John Fleck), benchmark results</li>
  <li>xmlWriter: updates and fixes (Alfred Mickautsch, Lucas Brasilino)</li>
  <li>XPath optimization (Petr Pajas)</li>
  <li>DTD ID handling optimization</li>
  <li>bugfixes: xpath number with  &gt; 19 fractional (William Brack), push
    mode with unescaped '&gt;' characters, fix xmllint --stream --timing, fix
    xmllint --memory --stream memory usage, xmlAttrSerializeTxtContent
    handling NULL, trying to fix Relax-NG/Perl interface.</li>
  <li>python: 2.3 compatibility, whitespace fixes (Malcolm Tredinnick)</li>
  <li>Added relaxng option to xmllint --shell</li>
</ul><h3>2.6.6: Feb 12 2004</h3><ul><li>nanohttp and nanoftp: buffer overflow error on URI parsing (Igor and
    William) reported by Yuuichi Teranishi</li>
  <li>bugfixes: make test and path issues, xmlWriter attribute serialization
    (William Brack), xmlWriter indentation (William), schemas validation
    (Eric Haszlakiewicz), XInclude dictionnaries issues (William and Oleg
    Paraschenko), XInclude empty fallback (William), HTML warnings (William),
    XPointer in XInclude (William), Python namespace serialization,
    isolat1ToUTF8 bound error (Alfred Mickautsch), output of parameter
    entities in internal subset (William), internal subset bug in push mode,
    &lt;xs:all&gt; fix (Alexey Sarytchev)</li>
  <li>Build: fix for automake-1.8 (Alexander Winston), warnings removal
    (Philip Ludlam), SOCKLEN_T detection fixes (Daniel Richard), fix
    --with-minimum configuration.</li>
  <li>XInclude: allow the 2001 namespace without warning.</li>
  <li>Documentation: missing example/index.html (John Fleck), version
    dependancies (John Fleck)</li>
  <li>reader API: structured error reporting (Steve Ball)</li>
  <li>Windows compilation: mingw, msys (Mikhail Grushinskiy), function
    prototype (Cameron Johnson), MSVC6 compiler warnings, _WINSOCKAPI_
  patch</li>
  <li>Parsers: added xmlByteConsumed(ctxt) API to get the byte offest in
    input.</li>
</ul><h3>2.6.5: Jan 25 2004</h3><ul><li>Bugfixes: dictionnaries for schemas (William Brack), regexp segfault
    (William), xs:all problem (William), a number of XPointer bugfixes
    (William), xmllint error go to stderr, DTD validation problem with
    namespace, memory leak (William), SAX1 cleanup and minimal options fixes
    (Mark Vadoc), parser context reset on error (Shaun McCance), XPath union
    evaluation problem (William) , xmlReallocLoc with NULL (Aleksey Sanin),
    XML Schemas double free (Steve Ball), XInclude with no href, argument
    callbacks order for XPath callbacks (Frederic Peters)</li>
  <li>Documentation: python scripts (William Brack), xslt stylesheets (John
    Fleck), doc (Sven Zimmerman), I/O example.</li>
  <li>Python bindings: fixes (William), enum support (St閜hane Bidoul),
    structured error reporting (St閜hane Bidoul)</li>
  <li>XInclude: various fixes for conformance, problem related to dictionnary
    references (William &amp; me), recursion (William)</li>
  <li>xmlWriter: indentation (Lucas Brasilino), memory leaks (Alfred
    Mickautsch),</li>
  <li>xmlSchemas: normalizedString datatype (John Belmonte)</li>
  <li>code cleanup for strings functions (William)</li>
  <li>Windows: compiler patches (Mark Vakoc)</li>
  <li>Parser optimizations, a few new XPath and dictionnary APIs for future
    XSLT optimizations.</li>
</ul><h3>2.6.4: Dec 24 2003</h3><ul><li>Windows build fixes (Igor Zlatkovic)</li>
  <li>Some serious XInclude problems reported by Oleg Paraschenko and</li>
  <li>Unix and Makefile packaging fixes (me, William Brack,</li>
  <li>Documentation improvements (John Fleck, William Brack), example fix
    (Lucas Brasilino)</li>
  <li>bugfixes: xmlTextReaderExpand() with xmlReaderWalker, XPath handling of
    NULL strings (William Brack) , API building reader or parser from
    filedescriptor should not close it, changed XPath sorting to be stable
    again (William Brack), xmlGetNodePath() generating '(null)' (William
    Brack), DTD validation and namespace bug (William Brack), XML Schemas
    double inclusion behaviour</li>
</ul><h3>2.6.3: Dec 10 2003</h3><ul><li>documentation updates and cleanup (DV, William Brack, John Fleck)</li>
  <li>added a repository of examples, examples from Aleksey Sanin, Dodji
    Seketeli, Alfred Mickautsch</li>
  <li>Windows updates: Mark Vakoc, Igor Zlatkovic, Eric Zurcher, Mingw
    (Kenneth Haley)</li>
  <li>Unicode range checking (William Brack)</li>
  <li>code cleanup (William Brack)</li>
  <li>Python bindings: doc (John Fleck),  bug fixes</li>
  <li>UTF-16 cleanup and BOM issues (William Brack)</li>
  <li>bug fixes: ID and xmlReader validation, XPath (William Brack),
    xmlWriter (Alfred Mickautsch), hash.h inclusion problem, HTML parser
    (James Bursa), attribute defaulting and validation, some serialization
    cleanups, XML_GET_LINE macro, memory debug when using threads (William
    Brack), serialization of attributes and entities content, xmlWriter
    (Daniel Schulman)</li>
  <li>XInclude bugfix, new APIs and update to the last version including the
    namespace change.</li>
  <li>XML Schemas improvements: include (Robert Stepanek), import and
    namespace handling, fixed the regression tests troubles, added examples
    based on Eric van der Vlist book, regexp fixes</li>
  <li>preliminary pattern support for streaming (needed for schemas
    constraints), added xmlTextReaderPreservePattern() to collect subdocument
    when streaming.</li>
  <li>various fixes in the structured error handling</li>
</ul><h3>2.6.2: Nov 4 2003</h3><ul><li>XPath context unregistration fixes</li>
  <li>text node coalescing fixes (Mark Lilback)</li>
  <li>API to screate a W3C Schemas from an existing document (Steve Ball)</li>
  <li>BeOS patches (Marcin 'Shard' Konicki)</li>
  <li>xmlStrVPrintf function added (Aleksey Sanin)</li>
  <li>compilation fixes (Mark Vakoc)</li>
  <li>stdin parsing fix (William Brack)</li>
  <li>a posteriori DTD validation fixes</li>
  <li>xmlReader bug fixes: Walker fixes, python bindings</li>
  <li>fixed xmlStopParser() to really stop the parser and errors</li>
  <li>always generate line numbers when using the new xmlReadxxx
  functions</li>
  <li>added XInclude support to the xmlReader interface</li>
  <li>implemented XML_PARSE_NONET parser option</li>
  <li>DocBook XSLT processing bug fixed</li>
  <li>HTML serialization for &lt;p&gt; elements (William Brack and me)</li>
  <li>XPointer failure in XInclude are now handled as resource errors</li>
  <li>fixed xmllint --html to use the HTML serializer on output (added
    --xmlout to implement the previous behaviour of saving it using the XML
    serializer)</li>
</ul><h3>2.6.1: Oct 28 2003</h3><ul><li>Mostly bugfixes after the big 2.6.0 changes</li>
  <li>Unix compilation patches: libxml.m4 (Patrick Welche), warnings cleanup
    (William Brack)</li>
  <li>Windows compilation patches (Joachim Bauch, Stephane Bidoul, Igor
    Zlatkovic)</li>
  <li>xmlWriter bugfix (Alfred Mickautsch)</li>
  <li>chvalid.[ch]: couple of fixes from Stephane Bidoul</li>
  <li>context reset: error state reset, push parser reset (Graham
  Bennett)</li>
  <li>context reuse: generate errors if file is not readable</li>
  <li>defaulted attributes for element coming from internal entities
    (Stephane Bidoul)</li>
  <li>Python: tab and spaces mix (William Brack)</li>
  <li>Error handler could crash in DTD validation in 2.6.0</li>
  <li>xmlReader: do not use the document or element _private field</li>
  <li>testSAX.c: avoid a problem with some PIs (Massimo Morara)</li>
  <li>general bug fixes: mandatory encoding in text decl, serializing
    Document Fragment nodes, xmlSearchNs 2.6.0 problem (Kasimier Buchcik),
    XPath errors not reported,  slow HTML parsing of large documents.</li>
</ul><h3>2.6.0: Oct 20 2003</h3><ul><li>Major revision release: should be API and ABI compatible but got a lot
    of change</li>
  <li>Increased the library modularity, far more options can be stripped out,
    a --with-minimum configuration will weight around 160KBytes</li>
  <li>Use per parser and per document dictionnary, allocate names and small
    text nodes from the dictionnary</li>
  <li>Switch to a SAX2 like parser rewrote most of the XML parser core,
    provides namespace resolution and defaulted attributes, minimize memory
    allocations and copies, namespace checking and specific error handling,
    immutable buffers, make predefined entities static structures, etc...</li>
  <li>rewrote all the error handling in the library, all errors can be
    intercepted at a structured level, with precise information
  available.</li>
  <li>New simpler and more generic XML and HTML parser APIs, allowing to
    easilly modify the parsing options and reuse parser context for multiple
    consecutive documents.</li>
  <li>Similar new APIs for the xmlReader, for options and reuse, provided new
    functions to access content as const strings, use them for Python
  bindings</li>
  <li>a  lot of other smaller API improvements: xmlStrPrintf (Aleksey Sanin),
    Walker i.e. reader on a document tree based on Alfred Mickautsch code,
    make room in nodes for line numbers, reference counting and future PSVI
    extensions, generation of character ranges to be checked with faster
    algorithm (William),  xmlParserMaxDepth (Crutcher Dunnavant), buffer
    access</li>
  <li>New xmlWriter API provided by Alfred Mickautsch</li>
  <li>Schemas: base64 support by Anthony Carrico</li>
  <li>Parser&lt;-&gt;HTTP integration fix, proper processing of the Mime-Type