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   Re: Whitespace in EMPTY model

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  • From: Tim Bray <tbray@textuality.com>
  • To: Chris Maden <crism@oreilly.com>, xml-dev@ic.ac.uk
  • Date: Tue, 20 Oct 1998 16:24:32 -0700

At 04:07 PM 10/20/98 -0400, Chris Maden wrote:
>I was ready to reply that an EMPTY element must have nothing between
>the start- and end-tags, but that's not immediately clear upon reading
>the spec.

You're right.  You can have either <empty/> or <empty></empty> but

>    1. The declaration matches EMPTY and the element has no content.
>but it's not clear whether "no content" prohibits ignorable

I think if you follow the definition chain it falls out.  Content
includes text, and text is made of characters.  There is NO SUCH
THING as ignorable whitespace in XML; the closest thing is 
WS between elements where you have a declared element (i.e. non-mixed)
content. And that is not labeled "ignorable" or anything like it. -Tim

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