• From: John Cowan <cowan@l...>
• To: XML Dev <xml-dev@i...>
• Date: Wed, 17 Mar 1999 16:13:42 -0500

roddey@u... wrote:

>    <!DOCTYPE doc [
>    <!ENTITY e SYSTEM "nul">
>    ]>
>    <doc a="&e;"></doc>

References to external entities aren't allowed in attribute values,
only in content.  That keeps attribute values simple for non-validating
parsers that don't load external entities.

Or it was supposed to.  In fact, since NVPs don't have to read
external parameter entities either, we can wind up with an unresolvable
reference to an internal entity that is externally declared.
 
-- 
John Cowan	http://www.ccil.org/~cowan		cowan@c...
	You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
	You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
		Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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