support special value (NaN) for precisionDecimal in enumeration 
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                 Key: XERCESJ-1435
                 URL: https://issues.apache.org/jira/browse/XERCESJ-1435
             Project: Xerces2-J
          Issue Type: Improvement
          Components: XML Schema 1.1 Datatypes
    Affects Versions: 2.9.1
            Reporter: Kun Xu
            Priority: Minor
             Fix For: 2.10.0
         Attachments: XSSimpleTypeDecl_patch.txt

schema doesn't support NaN in enumeration for precisionDecimal.

example:

XSD

<?xml version="1.0"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema";
        targetNamespace="http://www.schemaTest.org/schema11";
        xmlns:sv="http://www.schemaTest.org/schema11";>

<simpleType name="pSpecial">
        <restriction  base="precisionDecimal">
                <enumeration value="INF"/>
                <enumeration value="NaN"/>
        </restriction>
</simpleType>

<element name="root">
        <complexType>
                <sequence>
                        <element name="Special1" type="sv:pSpecial" 
minOccurs="1" maxOccurs="unbounded"/>
                </sequence>
        </complexType>
</element>    
</schema>  


XML
<?xml version="1.0" encoding="UTF-8"?>
<dv:root xmlns:dv="http://www.schemaTest.org/schema11";
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
        xsi:schemaLocation="http://www.schemaTest.org/schema11
        test_NAN.xsd">
        <Special1>NaN</Special1>
        <Special1>INF</Special1>
</dv:root>

suggestion:

simply add one condition when verify enumeration members. Please verify the 
patch. Thanks.





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