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https://issues.apache.org/jira/browse/XERCESC-1838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Boris Kolpackov updated XERCESC-1838:
-------------------------------------

    Attachment: test.xml
                test.xsd

The original test case as attachments.

> Unexpected validation result when comment is present
> ----------------------------------------------------
>
>                 Key: XERCESC-1838
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1838
>             Project: Xerces-C++
>          Issue Type: Bug
>          Components: Validating Parser (XML Schema)
>    Affects Versions: 2.8.0, 3.0.0
>            Reporter: Alexey Miroshnichenko
>             Fix For: 3.0.1, 3.1.0
>
>         Attachments: test.xml, test.xsd
>
>
> Schema:
> <?xml version="1.0" encoding="UTF-8"?>
> <xsd:schema targetNamespace="http://www.openuri.org/mySchema"; 
> xmlns:xsd="http://www.w3.org/2001/XMLSchema"; 
> xmlns="http://www.openuri.org/mySchema"; elementFormDefault="qualified" 
> version="1.0">
>       <xsd:element name="root">
>               <xsd:complexType>
>                       <xsd:sequence>
>                               <xsd:element name="test" type="MyType" 
> maxOccurs="unbounded"/>
>                       </xsd:sequence>
>               </xsd:complexType>
>       </xsd:element>
>       <xsd:complexType name="MyType">
>               <xsd:simpleContent>
>                       <xsd:extension base="xsd:byte">
>                       </xsd:extension>
>               </xsd:simpleContent>
>       </xsd:complexType>
> </xsd:schema>
> document:
> <?xml version="1.0" encoding="UTF-8"?>
> <p1:root xmlns:p1="http://www.openuri.org/mySchema"; 
>              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
>              xsi:schemaLocation="http://www.openuri.org/mySchema schema.xsd">
>       <p1:test><!-- text -->34</p1:test>
>       <p1:test>
> <!-- text -->34</p1:test>
>       <p1:test>
> 34</p1:test>
>       <p1:test>34</p1:test>
>       <p1:test>
>                       34
> </p1:test>
> </p1:root>
> SAX2Print output:
> <?xml version="1.0" encoding="LATIN1"?>
> <p1:root xsi:schemaLocation="http://www.openuri.org/mySchema schema.xsd">
>         <p1:test>34</p1:test>
>         <p1:test> 34
> Error at file Z:\eTools\bin\Debug/instance-1.xml, line 7, char 26
>   Message: Datatype error: Type:InvalidDatatypeValueException, Message:Value 
> ' 34' does not match re
> gular expression facet '[+\-]?[0-9]+'.
> </p1:test>
>         <p1:test>34</p1:test>
>         <p1:test>34</p1:test>
>         <p1:test>34</p1:test>
> </p1:root>
> Note the difference between second and third 'test' element in the document: 
> second has comment.
> Suggested fix - in SchemaValidator::normalizeWhiteSpace function last lines:
> was
>     if (fCurReader->isWhitespace(*(srcPtr-1)))
>         fTrailing = true;
>     else
>         fTrailing = false;
> now
> ...
>     if (0 != *(srcPtr) && fCurReader->isWhitespace(*(srcPtr-1)))
>         fTrailing = true;
>     else
>         fTrailing = false;
> }
> Idea: isWhitespace returns 'true' for empty string, but here 'empty string' 
> does not mean whitepace.
> Please, review.

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