[NTG-pdftex] Extensions: \pdf$foo or \$foo?

Heiko Oberdiek oberdiek at uni-freiburg.de
Fri Jul 1 16:23:02 CEST 2005

On Fri, Jul 01, 2005 at 04:13:59PM +0200, Hans Hagen wrote:

> >  Some package (hyperref, ...) uses the new primitive:
> >  \match{...}{...}
> >  ==> Document fails with: Use of \match doesn't match its definition.
> so, for latex the solution would be (in the latex specific initialization 
> file):
> \let\pdfmatch\match \let\match\undefined
> That way you get (1) a prefix (one that will not clash with other prefixes) 
> and (2) we keep tex prefix-clean

But then a package doesn't know, whether there is a special format
that remaps the primitives. First it must guess the name of the
primitive, before using it. And there are packages that work with
different formats (eg. plain and latex). Thus this way does not
provide a reliable solution.

Yours sincerely
  Heiko <oberdiek at uni-freiburg.de>

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