Tartarus CVS: buttress simon

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CVSROOT:	/home/cvs
Module name:	buttress
Changes by:	simon	01/11/24 17:50:55

Modified files:
	.              : buttress.h contents.c keywords.c 
	inputs         : test.but 

Log message:
Introduce the ability to relabel a section as an `example' or
`question' or so on, using the syntax
\S{mysection}{example} An example of foobar
so that in cross-references it will be referred to as `example
5.1.2' instead of `section 5.1.2'. NOTE WELL: until now Buttress has
supported multiple section keywords using the same syntax, so that
you could xref the above section as \k{mysection} _or_ \k{example}
with the same effect. This behaviour is now revoked because I don't
think anyone was using it; if you suddenly find you're getting
undefined-keyword errors this may be why.