[tex-k] - vs. -- for options

Karl Berry karl at freefriends.org
Tue Jan 6 00:20:20 CET 2004

    Is there a historical reason why both are used ? 

Yes.  -- is "traditional" for long options (a GNU invention quite a few
years ago).  When I implemented them for TeX, also quite a few years
ago, I just used getopt_long_only so that either - or -- could be used,
seeing no harm in it.  I saw no point in inventing single option

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