Re: [xml-dev] Whitespace character references and XSD normalization

[Mike Williams <mike.williams@globalgraphics.com>]

Richard Tobin did utter on 12/09/2006 17:13:
> In article <4506D7B1.1090405@globalgraphics.com> you write:
> 
>> My question is, if an attribute value includes a non-space whitespace 
>> character reference, and the XSD for the attribute has the collapse 
>> whitespace facet, does the character reference get replaced with a space 
>> before any validation?  Or does the referenced non-space whitespace 
>> character remain after normalization?
> 
> XML itself treats character references in attributes differently from
> the characters they represent, so that (for example) &#10; in an
> attribute will emerge from the XML parser as a linefeed, while a
> literal linefeed will be replaced by a space.
> 
> But XSD works on the parsed document.  It has no idea whether a
> character was a reference in the input or not.  And it normalizes
> strings of a given type identically regardless of whether they are
> attribute values or element content.  So it will see &#10; as a
> linefeed character and collapse it.

Many thanks.

Mike
-- 
Your Honour, it was temporary insanity. I was in Windows.