RFR (JAXP) 8169450: StAX parse error if there is a newline in xml declaration

[Lance Andersen]

Looks good overall Joe.  I would agree that I would clean up the minor comment alignment issues.

Best
Lance
> On Feb 13, 2017, at 9:27 PM, huizhe wang <huizhe.wang at oracle.com> wrote:
> 
> A quick fix for the error parsing xml declaration. This is one of the three outstanding issues in the xml area that must be addressed for the coming development deadline.
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8169450
> webrev: http://cr.openjdk.java.net/~joehw/jdk9/8169450/webrev/
> 
> Checking whether a space follows "<?xml" was sufficient for DOM/SAX for which the base parser was originally created since the xml declaration was normalized during version detection. StAX, sharing the base parser after it was added to the JDK, however, does not use the same version detection/normalization process and would incorrectly parse the declaration if there are other whitespaces.
> 
> Thanks,
> Joe
> 
> 

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 <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037
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