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RE: library/package filename prefixes

From: Drew Adams
Subject: RE: library/package filename prefixes
Date: Mon, 4 May 2020 09:19:02 -0700 (PDT)

>   > > Are there any libraries in Emacs or GNU ELPA
>   > > which currently use a 2-letter prefix?
> lisp/emacs-lisp/pp.el does use a two-letter prefix.
> Perhaps we should change it.
> lisp/emacs-lisp/gv.el uses a two-letter prefix.
> I expect that the functions named starting 'gv-' are
> not used from a lot of user code, so it should not be
> hard to rename them.
> Does anyone oppose renaming them?
> lisp/bs.el does use 'bs-' as a nane prefix...
> Should we rename that?
> It would be easy to rename po.el and its one entry point,
> which is called in just one place.

FWIW, I proposed a minimum of 2 chars (plus hyphen).
I think that's good.  What's a good reason for going
to 3 instead of 2?

And yes, I expect that there's a fair amount of code
out there that uses prefixes `pp-' and `gv-'.  (But
that's not the reason I think a 2-char minimum is OK.)

If ever all possible 2-char prefixes get used, people
will of course be obliged to use at least 3 for new
libraries.  I don't see that as a problem.

0 or 1 char (plus hyphen) is problematic, I think.
But I don't see that problem for 2.

See also my somewhat related suggestion, about
distinguishing library prefixes from other prefixes:

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