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libxml2 2.6.25

       Module: libxml2
      Version: 2.6.25
  Uploaded by: Daniel Veillard

http://download.gnome.org/sources/libxml2/2.6/libxml2-2.6.25.tar.gz
  md5sum: 84ba8fd59f4e52dcd1fd368a61b3101e
    size: 4.4M

http://download.gnome.org/sources/libxml2/2.6/libxml2-2.6.25.tar.bz2
  md5sum: 3afad838a8857b4f72fc3593b1dd4727
    size: 3.3M

ChangeLog
---------

Tue Jun  6 15:19:57 CEST 2006 Daniel Veillard <daniel veillard com>

	* configure.ini NEWS doc//* libxml.spec.in : preparing release of 2.6.25

Tue Jun  6 11:28:15 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Enabled the compound traversal again; I added a
	  check to use this only if the have an expression starting
	  with the document node; so in the case of "//foo", we
	  already know at compilation-time, that there will be only
	  1 initial context node. Added the rewrite also to
	  xmlXPathEvalExpr().

Tue Jun  6 10:23:10 CEST 2006 Daniel Veillard <daniel veillard com>

	* xinclude.c: fix bug #343968, include='text' can't lead to a 
	  recursion.

Fri Jun  2 22:47:08 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Disabled the compound traversal for the release;
	  I need first to assure that this is done only if we have
	  1 initial node.

Wed May 31 13:53:41 PST 2006 Aleksey Sanin <aleksey aleksey com>
      
	* xpath.c: fixed memory leak in xpath error reporting

Wed May 31 15:30:16 CEST 2006 Daniel Veillard <daniel veillard com>

	* libxml.h triodef.h: applied patch from Olli Savia for LynxOS

Wed May 31 14:33:00 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c include/libxml/xpath.h runsuite.c:
	  Changed the name of the recently added public function
	  xmlXPathContextSetObjectCache() to
	  xmlXPathContextSetCache(); so a more generic one, in
	  case we decide to cache more things than only XPath
	  objects.

Tue May 30 21:36:16 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Optimized xmlXPathNodeCollectAndTest() and
	  xmlXPathNodeCollectAndTestNth() to evaluate a compound
	  traversal of 2 axes when we have a "//foo" expression.
	  This is done with a rewrite of the XPath AST in
	  xmlXPathRewriteDOSExpression(); I added an additional field
	  to xmlXPathStepOp for this (but the field's name should be
	  changed). The mechanism: the embracing descendant-or-self
	  axis traversal (also optimized to return only nodes which
	  can hold elements), will produce context nodes for the
	  inner traversal of the child axis. This way we avoid a full
	  node-collecting traversal of the descendant-or-self axis.
	  Some tests indicate that this can reduce execution time of
	  "//foo" to 50%. Together with the XPath object cache this
	  all significantly speeds up libxslt.

Tue May 30 11:38:47 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xmlschemas.c: A warning will now be reported in the value of
	  the XSD attribute 'schemaLocation' does not consist of tuples
	  (namespace-name, document-URI). A warning will be reported
	  if a schema document could not be found at the specified
	  location (via 'schemaLocation' or
	  'noNamespaceSchemaLocation').
	* include/libxml/xmlerror.h: Added XML_SCHEMAV_MISC to
	  xmlParserErrors.

Tue May 30 11:21:34 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Enhanced xmlXPathNodeCollectAndTest() to avoid
	  recreation (if possible) of the node-set which is used to
	  collect the nodes in the current axis for the currect context
	  node. Especially for "//foo" this will decrease dramatically
	  the number of created node-sets, since for each node in the
	  result node-set of the evaluation of descendant-or-self::node()
	  a new temporary node-set was created. Added node iterator
	  xmlXPathNextChildElement() as a tiny optimization for
	  child::foo.

Mon May 29 18:06:17 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c include/libxml/xpath.h: Added an XPath object cache.
	  It sits on an xmlXPathContext and need to be explicitely
	  activated (or deactivated again) with
	  xmlXPathContextSetObjectCache(). The cache consists of 5
	  lists for node-set, string, number, boolean and misc XPath
	  objects. Internally the xpath.c module will use object-
	  deposition and -acquisition functions which will try to reuse
	  as many XPath objects as possible, and fallback to normal
	  free/create behaviour if no cache is available or if the cache
	  is full.
	* runsuite.c: Adjusted to deactivate the cache for XML Schema
	  tests if a cache-creation is turned on by default for the whole
	  library, e.g. for testing purposes of the cache. It is
	  deactivated here in order to avoid confusion of the memory leak
	  detection in runsuite.c.

Wed May 24 10:54:25 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Removed a memcpy if xmlXPathNodeSetMerge(); it
	  seems we really need to walk the whole list, since those
	  nastly namespace nodes need to be added with
	  xmlXPathNodeSetDupNs(); thus a pure memcpy is not possible.
	  A flag on the node-set indicating if namespace nodes are in
	  the set would help here; this is the 3rd flag which would
	  be usefull with node-sets. The current flags I have in mind:
	  1) Is a node-set already sorted?
	     This would allow for rebust and optimizable sorting
	     behaviour.
	  2) Of what type are the nodes in the set (or of mixed type)?
	     This would allow for faster merging of node-sets.
	  3) Are namespace nodes in the set?
	     This would allow to skipp all the namespace node specific
	     special handling. Faster node-set merging if the first
	     set is empty; just memcpy the set.

Mon May 22 17:14:00 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Optimization of count(): eliminated sorting
	  (see bug #165547). Optimization of XPATH_OP_FILTER if the
	  predicate is a [1] (disable with XP_OPTIMIZED_FILTER_FIRST if
	  it produces trouble). Tiny opt in xmlXPathNodeSetMerge().
	  
Mon May 22 13:33:12 CEST 2006 Rob Richards <rrichards ctindustries net>

	* tree.c: Revert behavior change in xmlSetProp to handle attributes
	  with colons in name and no namespace.

Fri May 19 21:56:43 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Substituted all remaining calls to xmlXPathCmpNodes()
	  for xmlXPathCmpNodesExt(). Tiny further enhancement of
	  xmlXPathCmpNodesExt(). Added additional checks in various code
	  parts to avoid calling sorting or merging functions if the
	  node-set(s) don't need them; i.e., if they are empty or contain
	  just one node.

Fri May 19 13:16:58 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Optimized the comparison for non-element nodes
	  in xmlXPathCmpNodesExt(); the comparison is used for sorting
	  of node-sets. This enhancement is related to bug #165547.
	  There are other places where the old comparison function
	  xmlXPathCmpNodes() is still called, but I currently don't
	  know exactly what those calls are for; thus if they can be
	  substituted (if it makes sense) for the new function.

Tue May 16 16:55:13 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xpath.c: Applied patch from Rob Richards, fixing a potential
	  memory leak in xmlXPathTryStreamCompile(), when a list of
	  namespaces was assigned to the XPath compilation context;
	  here a new namespace list was created and passed to
	  xmlPatterncompile(); but this list was not freed afterwards.
	  Additionally we avoid now in xmlXPathTryStreamCompile() to
	  compile the expression, if it has a colon - indicating
	  prefixed name tests - and no namespace list was given. The
	  streaming XPath mechanism needs a namespace list at
	  compilation time (unlike normal XPath, where we can bind
	  namespace names to prefixes at execution time).
	* pattern.c: Enhanced to use a string dict for local-names,
	  ns-prefixes and and namespace-names.
	  Fixed xmlStreamPushInternal() not to use string-pointer
	  comparison if a dict is available; this won't work, since
	  one does not know it the given strings originate from the
	  same dict - and they normally don't do, since e.g.
	  namespaces are hold on xmlNs->href. I think this would be
	  worth an investigation: if we can add a @doc field to xmlNs
	  and put the @href in to a additionan namespace dict hold
	  in xmlDoc. Daniel will surely not like this idea :-) But
	  evaluation of tons of elements/attributes in namespaces
	  with xmlStrEqual() isn't the way we should go forever.
	  
Thu May 11 18:03:49 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xmlschemas.c: Fixed bug #341337, reported by David Grohmann.
	  The code expected a node (xmlNodePtr) on the info for a
	  non-existent default attribute, which clearly cannot be
	  expected, since the attribute does not exist. I can only
	  guess that this sneaked trying to eliminate the query
	  for the owner-element, which is unavoidable actually.
	  Note that creation of default attributes won't have an
	  effect if validating via SAX/XMLReader; i.e., the processor
	  won't fire additional start-attribute events (I'm not even
	  sure if Libxml2 has such a SAX-event; I think it hands them
	  all over in the start-element event).

Tue May  9 21:47:58 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xmlschemas.c: Fixed bug #341150, reported by Michael Romer.
	  In xmlSchemaBuildContentModelForSubstGroup(),
	  xmlAutomataNewOnceTrans2() was incorrectly used instead of
	  xmlAutomataNewTransition2() to mimic a xs:choice for
	  substitution-groups.
	* test/schemas/subst-group-1_1.xsd
	  test/schemas/subst-group-1_0.xml
	  result/schemas/subst-group-1_0_1
	  result/schemas/subst-group-1_0_1.err: Added regression test
	  supplied by Michael Romer for bug #341150.

Sat May  6 11:05:24 HKT 2006 William M. Brack <wbrack mmm com hk>

	* relaxng.c: Fixed compilation error with patch supplied by
	  Graham Bennett.

Thu May  4 19:14:03 CEST 2006 Kasimier Buchcik <libxml2-cvs cazic net>

	* xmlschemas.c: We'll raise an internal error and stop
	  validation now when an entity is found in the instance
	  document, since we don't support automatic entity
	  substitution by the schema processor (yet?) -
	  see bug #340316, reported by Nick Wellnhofer.

Wed May  3 15:16:00 CEST 2006 Daniel Veillard <daniel veillard com>

	* configure.in: applied another Python detection patch from Joseph Sacco
	* libxml.spec.in: cleanup the changelog section, asciifies the spec file
	  too

Tue May  2 22:34:54 CEST 2006 Daniel Veillard <daniel veillard com>

	* xmlIO.c: fix a mix of code and declarations showing up on Windows
	  patch from Kjartan Maraas, fixing #340404

Tue May  2 14:24:40 CEST 2006 Daniel Veillard <daniel veillard com>

	* encoding.c: fixing bug #340398 xmlCharEncOutFunc writing to
	  input buffer

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