david at david at
Wed Sep 30 01:55:03 BST 1998

Kathie Drake writes:

 > Does anyone know where I can locate public identifiers for the
 > following notations: TIFF, XML,HTML,Postscript,RTF and ASCII?

Wow!  Someone besides Eliot Kimber is actually using notations in XML!

Here's what the (SGML) DocBook DTDs have for TIFF and EPS:

 "+//ISBN 0-201-18127-4::Adobe//NOTATION PostScript Language Ref. Manual//EN">

The TIFF notation is a cop-out; the EPS notation, on the other hand,
provides a good model for anything with a published specification
(i.e., anything with an ISBN).

HTML and XML should have similar public IDs, since they're both W3C
specs -- the public ID will probably include the domain name.
What do you use, Eliot?

As for RTF, is there even a single, stable, normative specification to 
point to?

All the best,


David Megginson                 david at

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