[NTG-context] Re: incosistent output of --- dash

[Henning Hraban Ramm <texml@fiee.net>]

Am 06.04.24 um 11:43 schrieb madiazm.eoicc@gmail.com:
> Hi everyone,
> I'm a bit puzzled because I usually don't get an em-dash when I type tree hyphens. If I use the command \emdash, no problem but when I use the hyphens some days it works... and somedays I see three small hyphens.
> I tried it on overleaf and of ContextOnWeb with the same inconsistency. If I create a new file it usually works right; but when I overwrite an existing file subtituting a hyphen for three where the dash should be I sometimes get it right and sometimes wrong.
> It is not the pdf viewer since I get good or bad results in all, the overleaf pdf preview tool, the context on web preview tool and the mozilla integrated pdf viewer.
> 
> Am I missing something on the use of this ligature? (the question is just out of curiosity, since I plan to create a command that adds a hairspace after or before the dash, since I don't like it to stick to some letters like "o".

Generally, “we” try to reduce active characters as much as possible, 
that’s why -- and --- usually /don’t/ produce en or em dashes. You can 
activate these ligatures as a font feature though (AFAIR "latexhyphens", 
can’t find it…).

Some editors and some fonts do automatical replacements.

Hraban
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