XOM API for Processing XML with Java

[John Cowan <jcowan AT reutershealth.com>]

Elliotte Harold scripsit:

> I just looked this up, and it's a little trickier than that. It is 
> possible for an ID-type attribute to have uncollapsed, internal 
> whitespace if that whitespace consists of tabs, carriage returns, and 
> line feeds inserted by numeric character references. This would be an 
> xml:id error because the resulting value would not be an NCName, but it 
> might not be a well-formedness error.

If you put support in Attribute, and if you hard-fail on errors, you don't
actually have to worry about anything but leading and trailing space;
granted, xml:id=' foo' should fail, but so what if it is treated as
xml:id='foo'?

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