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https://issues.apache.org/jira/browse/XERCESC-2130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334103#comment-16334103
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Roger Leigh commented on XERCESC-2130:
--------------------------------------
Regarding signing, I did my work on my employer's time for at least some of it,
so I had to get them to also sign a corporate CLA. It wasn't a problem, but it
was a massive pain due to it taking about six months to be approved. May be
easier for smaller organisations with less tortuous bureaucracy!
> UTF16 Surrgate values 0xD800-0xDFFF can not longer be written with xerces
> 3.2.0 (e.g. emoticons)
> ------------------------------------------------------------------------------------------------
>
> Key: XERCESC-2130
> URL: https://issues.apache.org/jira/browse/XERCESC-2130
> Project: Xerces-C++
> Issue Type: Bug
> Components: DOM
> Affects Versions: 3.2.0
> Reporter: Andreas Krantz
> Priority: Critical
> Attachments: fix.patch, patch_.cpp, reproduce.cpp
>
>
> Solution for XERCESC-1854 introduced method
> {{DOMLSSerializerImpl::ensureValidString}}
> which has an error in validation.
> The method validates XMLCh which represent UTF16.
> [Valid Characters|https://www.w3.org/TR/REC-xml/#NT-Char] #x9 | #xA | #xD |
> [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
> are the valid UTF32 characters.
> The UTF16 surrogate range from xD800 - xDFFF is used to represent
> [#x10000-#x10FFFF] and should not be handled as nvalid.
> *The reader threads this correctly and does not complain, which leads to an
> asmetric behavior*
> Reading DOM => OK
> Save back DOM => Exception
> I tried to attach an example to show the behavior.
> The used methods
> {{bool XMLChar1_1::isXMLChar(const XMLCh toCheck, const XMLCh toCheck2)}}
> already have a second optional parameter to check surrogate values.
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