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From: Drew Adams <drew.adams@oracle.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: RE: ¬ notation for not? Ref: Add a couple cells to lisp-prettify-symbols-alist
Date: Sun, 10 Jul 2016 08:04:22 -0700 (PDT)	[thread overview]
Message-ID: <713910d3-3c5c-4b24-97c3-264921fe8494@default> (raw)
In-Reply-To: <jwv37nhh8hy.fsf-monnier+gmane.emacs.devel@gnu.org>

Is there a check, e.g. optional, for whether a given character cdr
for a `prettify-symbols-alist' entry is, as the only char in a
symbol name, either `fboundp' or `boundp', before going ahead and
prettifying the symbol that is the cdr of that alist entry?

IOW, check whether, e.g., for an entry such as `("not" . ?¬)',
(boundp '¬) or (fboundp '¬)?

A cursory glance at the code didn't find such a check.  Seems like
it might be a good thing to add.  If `¬' already exists as a
function or variable, then you probably do not also want
occurrences of the symbol `not' to be shown as `¬'.

IOW, if the only guard for prettifying is `prettify-symbols-alist'
then there could be cases of symbol-appearance capture.  Sure,
this would not be common, and sure, someone could turn off the
mode if it is noticed.  But it might also be good to make such
a check available (optional).





  parent reply	other threads:[~2016-07-10 15:04 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-10  4:44 ¬ notation for not? Ref: Add a couple cells to lisp-prettify-symbols-alist Kaushal Modi
2016-07-10  5:24 ` Mark Oteiza
2016-07-10  5:47   ` Mark Oteiza
2016-07-10 13:31     ` Andreas Röhler
2016-07-10 14:57       ` Eli Zaretskii
2016-07-10 14:35   ` Clément Pit--Claudel
2016-07-10 15:05     ` Stefan Monnier
2016-07-10 14:44   ` Stefan Monnier
2016-07-10 14:57     ` Clément Pit--Claudel
2016-07-10 15:04     ` Drew Adams [this message]
2016-07-10 15:20     ` Mark Oteiza
2016-07-10 21:05       ` Stefan Monnier
2016-07-11 13:35         ` Ted Zlatanov
2016-07-11 14:01           ` Stefan Monnier
2016-07-14 21:18 ` Clément Pit--Claudel
2016-07-14 21:32   ` John Wiegley
2016-07-14 22:31   ` Mark Oteiza
2016-07-14 22:36     ` Kaushal Modi
2016-07-15  0:20     ` Stefan Monnier
2016-07-15 14:12       ` Ted Zlatanov
2016-07-15 14:46         ` Drew Adams
2016-07-15 15:13           ` visual distinction for prettified symbols (was: ¬ notation for not? Ref: Add a couple cells to lisp-prettify-symbols-alist) Ted Zlatanov
2016-07-15 16:14             ` ¬ notation for not? Ref: Add a couple cells to lisp-prettify-symbols-alist Drew Adams
2016-07-15 14:50         ` Stefan Monnier
2016-07-15 15:03           ` Ted Zlatanov
2016-07-15 15:17             ` Stefan Monnier
2016-07-15 15:35               ` Ted Zlatanov
2016-07-17 18:31                 ` Stefan Monnier
2016-07-18 14:12                   ` Ted Zlatanov
2016-07-18 15:07                     ` Stefan Monnier
2016-07-18 16:49                       ` Ted Zlatanov
2016-07-15 15:26     ` Ted Zlatanov

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