## Re: (dsssl) Double-dash sign and TeX backend

 Subject: Re: (dsssl) Double-dash sign and TeX backend From: Sebastian Rahtz Date: Tue, 9 Oct 2001 12:45:59 +0100
David Carlisle writes:
> Safer to use -\kern\z@ as {} doesn't normally supress ligatures
> (although it will in this case as - isn't (normally) a letter.
>

Only in recent openjade releases, I think. i fear many people do not

> something like this in jadetex.cfg (untested)
>
> \let\origminus-
> \catcode\-\active
> \AtBeginDocument{\def-{\origminus\kern\z@}}
> \catcode\-12\relax
if it works in generality, I shall be more than slightly amazed....

> An alternative is to fix the problem at source, and generate a modified
> set of tex font metrics which don't have the annoying -- ligaure.
> (This is fairly easy, just run tfm to pl, edit the ligature table to
> delete the offending line, and convert it back to a tfm)

right. thats what I'd do if I had the problem. but it is a bit TeXnical...

sebastian

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