[jira] Created: (XERCESC-1540) Treat empty-declaration-subset as no-declaration-subset and allow DTD caching

Treat empty-declaration-subset as no-declaration-subset and allow DTD caching
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         Key: XERCESC-1540
         URL: http://issues.apache.org/jira/browse/XERCESC-1540
     Project: Xerces-C++
        Type: Improvement
  Components: SAX/SAX2  
    Versions: 2.7.0    
 Environment: Any
    Reporter: Arthur Rother
    Priority: Minor


Running Xerces with the following features switched on:

* http://apache.org/xml/features/validation/use-cachedGrammarInParse 
* http://apache.org/xml/features/validation/cache-grammarFromParse 
* http://apache.org/xml/features/validation/ignoreCachedDTD 

on a document containing an empty declaration subset returns error:

   "When reusing the Grammar, no internal subset is allowed"

I would prefer if an empty internal declaration subset would be treated as a missing internal declaration subset.
I could submit a patch here if that would help.

Thanks


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     [ https://issues.apache.org/jira/browse/XERCESC-1540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Kolpackov updated XERCESC-1540:
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    Component/s:     (was: SAX/SAX2)
                 Validating Parser (DTD)

> Treat empty-declaration-subset as no-declaration-subset and allow DTD caching
> -----------------------------------------------------------------------------
>
>                 Key: XERCESC-1540
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1540
>             Project: Xerces-C++
>          Issue Type: Improvement
>          Components: Validating Parser (DTD)
>    Affects Versions: 2.7.0
>         Environment: Any
>            Reporter: Arthur Rother
>            Priority: Minor
>
> Running Xerces with the following features switched on:
> * http://apache.org/xml/features/validation/use-cachedGrammarInParse 
> * http://apache.org/xml/features/validation/cache-grammarFromParse 
> * http://apache.org/xml/features/validation/ignoreCachedDTD 
> on a document containing an empty declaration subset returns error:
>    "When reusing the Grammar, no internal subset is allowed"
> I would prefer if an empty internal declaration subset would be treated as a missing internal declaration subset.
> I could submit a patch here if that would help.
> Thanks

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