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Re: [xml-dev] newline/form feed valid as attribute value?

At 2012-07-02 20:48 +0200, Dan Shelton wrote:
>Does anyone here know whether newlines, form feed or vertical feed are
>valid within an attribute value (I hope not, otherwise it would make
>it a lot harder to write a fast xml parser using regex alone)?

A naked newline (or any other line ending sequence normalized to a 
naked newline) in an attribute value is converted to a space:


Tab and carriage return are the only other control characters allowed 
in XML 1.0:


If you want all other control characters except NUL, use XML 1.1:


For a client of mine who needed to feed a legacy print application I 
had to write one of my stylesheet fragments in XML 1.1 in order to 
get the control characters they needed:


I hope this helps.

. . . . . . . . . Ken

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