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   Re: Parameter Entity Replacement and the XML 1.0 Grammar

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  • From: David Brownell <david-b@pacbell.net>
  • To: "G. Ken Holman" <gkholman@CraneSoftwrights.com>
  • Date: Wed, 17 Nov 1999 18:56:37 -0800

"G. Ken Holman" wrote:
> Today I started using a validating parser on the source file and it is
> choking on the entity declaration.


> My belief is I've been working properly all along, XT is correct, and the
> new parser is incorrect.

I'd think so too -- though XT isn't a parser, so it'd be some parser
that you'd previously have configured XT to use, perhaps XP.

> <!ENTITY % e "wmf"><!--non .gif extension-->
	... 4.4.8 expands to <!NOTATION wmf SYSTEM "">
> <!ENTITY % filename "'abc.%e;'">
	... 4.4.5 expands to <!ENTITY % filename "'abc.wmf'">
> <!ENTITY abc SYSTEM %filename; NDATA %e;>
                      ^ diagnostic points here
	... 4.4.8 expands to <!ENTITY abc SYSTEM 'abc.wmf' NDATA wmf>

> [Fatal Error] test.ent:4:21: The system identifier must begin with either a
> single or double quote character.

That looks fine to me.  Looks like the new parser is stripping out the
single quotes, so %filename; expands incorrectly.  I'd try a different
validating parser -- specifically Sun's, which does well on the OASIS
tests.  (It's the only validating Java parser which does at this time,
so far as I know.)

- Dave

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