bug#37811: "standard GNU Emacs Lisp"

[Eli Zaretskii]

> Date: Sat, 19 Oct 2019 15:50:04 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 37811@debbugs.gnu.org, nicholasdrozd@gmail.com
> 
> > >      Common Lisp note: Common Lisp has functions ‘union’ (which avoids
> > >      duplicate elements) and ‘intersection’ for set operations.
> > >      Although standard GNU Emacs Lisp does not have them, the ‘cl-lib’
> > >      library provides versions.  *Note (cl)Lists as Sets::.
> > >
> > > So "standard" is used here in contrast to CL.  I don't think any of
> > > the proposed replacements pick up that nuance, do they?
> > 
> > cl-lib is part of Emacs, but not loaded by default.  I think that's what
> > standard is supposed to mean here.
> 
> I see your point, but that wasn't my interpretation when I've read
> that text.
> 
> Anyway, I think just dropping that word will fix the possible
> confusion.

Or maybe we should simply say this:

  Common Lisp note: Common Lisp has functions ‘union’ (which avoids
  duplicate elements) and ‘intersection’ for set operations.  In Emacs
  Lisp, variants of these facilities are provided by the ‘cl-lib’
  library.  *Note (cl)Lists as Sets::.