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From Paul Libbrecht <p...@activemath.org>
Subject Re: [ANNOUNCEMENT]: Xerces-J 2.1.0 is now available
Date Thu, 29 Aug 2002 21:37:31 GMT
Mmmh,

How can I do it then to have an Apache schema-validating parser that can 
validate a schema ??

Paul


On Mercredi, août 28, 2002, at 11:43 , neilg@ca.ibm.com wrote:
> I'm afraid you'll be disappointed to learn the short answer is no.  The 
> Schema WG discussed this in [1]; but the requested erratum hasn't been 
> forthcoming yet.  Once it does come around, of course we'll take 
> measures to comply with it--whatever it is--but in the meantime, we're 
> still hoping it might be possible to change the working group's mind so 
> as to eliminate the special-casing of the S4S.  We have some 
> performance concerns about the ramifications of this special-casing, so 
> we'll do what we can to get things
> changed.
>
> Hope that helps,
> Neil
> [1]:  http://www.w3.org/2001/05/xmlschema-rec-
> comments#pfiS4SanySimpleType
>
> Neil Graham
> XML Parser Development
> IBM Toronto Lab
> Phone:  905-413-3519, T/L 969-3519
> E-mail:  neilg@ca.ibm.com
>
>
>
>
> |---------+---------------------------->
> |         |           Paul Libbrecht   |
> |         |           <paul@activemath.|
> |         |           org>             |
> |         |                            |
> |         |           08/28/2002 05:10 |
> |         |           PM               |
> |         |           Please respond to|
> |         |           general          |
> |         |                            |
> |---------+---------------------------->
>> ---------------------------------------------------------------------------------------------------------------------------------------------|
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>                                                                         
> |
>   |       To:       
> general@xml.apache.org                                                   
>                                                    |
>   |       
> cc:                                                                      
>                                                              |
>   |       Subject:  Re: [ANNOUNCEMENT]:  Xerces-J 2.1.0 is now 
> available                                                                
>         |
>   |                                                                     
>                                                                         
> |
>   |                                                                     
>                                                                         
> |
>> ---------------------------------------------------------------------------------------------------------------------------------------------|
>
>
>
> That looks good,
>
> Does this fix the dreaded Schema-validation-
> can't-validate-schema-schema ? So that we finally get a complete
> open-source schema validator.
>
> Thanks.
>
> Paul
>
>
> On Mercredi, août 28, 2002, at 10:47 , neilg@ca.ibm.com wrote:
>
>> Hello all,
>>
>> The Xerces-J team is pleased to announce the availability
>> of Xerces-J 2.1.0.  While there have been some relatively minor changes
>> to the Xerces Native Interface (as documented below), this release
>> has focused primarily on filling out gaps in function--such as in the
>> experimental DOM level 3 support--and on bug and performance fixes.
>>
>> The release can be downloaded from 
>> http://xml.apache.org/dists/xerces-j.
>>
>> The detailed list of changes between this and the prior Xerces-J 
>> release
>> are as follows:
>>
>> - Added xni.XMLDocumentHandler.setDocumentSource/getDocumentSource
>>     and XMLDocumentSource.getDocumentHandler methods to allow to
>>     modify Xerces pipeline dynamically.
>> - when the new DOM document is used, element/attribute nodes can be
>>     casted to Element/AttributePSVI interfaces to retrieve PSVI
>>     properties.
>> - Provide access to PSVI via SAX using
>>     org.apache.xerces.impl.xs.psvi.PSVIProvider interface.
>> - Provided a way to convert preparsed schema grammars to XSModels.
>> - Message localization changes.
>> - Send all element PSVI properties on endElement calls, so that the
>>     application doesn't need to stack them when startElement is called.
>> - Made it possible to build a Schema Datatype jar file. Now it can be
>>     used as a standalone data type library.
>> - avoid using exceptions to determine whether an array needs to be
>> resized.
>> - avoid adding the commonly used XML symbols to the symbol table again
>> and again.
>> - improve scanning speed by skipping end tag names and using proper
>>     input buffer size.
>> - Applied fixes to Xerces's regular expression support to address a
>>     number of bugs reported by users.
>> - Provide implementation for DOM Level 3 DOMBuilderFilter and
>> DOMWriterFilter.
>> - Applied fixes to JAXP, SAX and internal object factory code so that
>>     it behaves correctly in environments where AccessControllers are
>> being used.
>>     These fixes make it no longer possible to compile Xerces under JDK
>> 1.1.8.
>> - Reorganize the code again to allow to build Xerces with DOM Level 3
>>     support by modifying the build.xml to replace import statements
>>     in the source code.
>> - Changed various parts of Xerces's implementation so that it is now
>>     statically immutable.
>> - Reorganized identity constraint support to improve both conformance
>>     and performance.
>> - General bug fixes.
>>
>> Enjoy!
>> Neil
>> Neil Graham
>> XML Parser Development
>> IBM Toronto Lab
>> Phone:  905-413-3519, T/L 969-3519
>> E-mail:  neilg@ca.ibm.com
>>
>>
>>
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>
>
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