Order of #PCDATA in dtd - relevant? or XP bug?

John Cowan cowan at locke.ccil.org
Wed Sep 23 19:19:11 BST 1998

Glenn Kronschnabl wrote:

> A simple DTD that causes a syntax error in XP.
> If you run the following dtd thru both jade
> and XP, it runs fine thru jade but XP gives a
> syntax error.  The only difference is the order
> of the % inline and #PCDATA.

Jade is a general SGML tool, and doesn't enforce
XML restrictions on content models.  XP does.
> So, given this, does imply that the order of #PCDATA
> is relevant or is this a genuine XP bug?

No, it's an XML rule:  #PCDATA must be mentioned first,
because the minute a parser sees #PCDATA, it needs to enforce not
the general "element-content" rules but the different
"mixed-content" rules.
John Cowan	http://www.ccil.org/~cowan		cowan at ccil.org
	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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