External DTD Grammar

John Cowan cowan at locke.ccil.org
Wed Aug 5 17:28:17 BST 1998

Richard Tobin scripsit:
> > Replacement texts can't contain PE references (PE declarations can,
> > but the references are resolved at entity declaration time), so it isn't
> > even necessary to push back the replacement text onto the input stream.
> This is not true - references are expanded when the entity is declared,
> but that may produce text containing new entity references [by
> containing hidden %s]

Quite right; my mistake.  So "%foo;" is an eager PE reference, but
"%foo;" within an entity value is a lazy PE reference (or
more accurately, a deferred-once reference).

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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