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https://issues.apache.org/jira/browse/XERCESC-1270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alberto Massari closed XERCESC-1270.
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Resolution: Won't Fix
XMLFormatter is not supposed to be used directly; starting with version 3.2,
the check for valid XML characters is done in the LSSerializer class and
reported in a DOMLSException
> XMLFormatter can produce XML that fails parsing
> -----------------------------------------------
>
> Key: XERCESC-1270
> URL: https://issues.apache.org/jira/browse/XERCESC-1270
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.3.0
> Environment: Windows 2000, Xerces 2.3.0, VC++ 6.0
> Reporter: Dominik Stadler
> Attachments: TestXMLFormatter.h, Test_xe9.xml
>
>
> One of our classes uses an XMLFormatter to generate a text-representation of
> an XML-String. We use this to escape the characters correctly.
> The XMLFormatter uses the default setting to fail on unrepresentable
> characters, see
> http://xml.apache.org/xerces-c/apiDocs/classXMLFormatter.html#z549_0
> When we have an character with ascii-value of 0x0e in the string, the
> XMLFormatter escapes this as "" which looks ok, but according to the XML
> Standard, only 0x0a, 0x0d and 0x09 are valid ascii-characters below 0x020!!
> See also http://w3c.org/TR/2004/REC-xml-20040204/#charsets
> Consequently when we try to parse the generated xml-file again with Xerces,
> we get an error "Invalid character reference".
> In my opinion, XMLFormatter should report an error if characters below 0x020
> (and not 0x0a, 0x0d and 0x09) are encountered and unrepFlags is set to
> Unrep_Fail. This currently let's me generate invalid XML-Files with
> XMLFormatter.
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