From: Noam Postavsky <npostavs@users.sourceforge.net>
To: Drew Adams <drew.adams@oracle.com>
Cc: 358@debbugs.gnu.org
Subject: bug#358: dabbrev-abbrev-char-regexp
Date: Thu, 23 Mar 2017 16:50:27 -0400 [thread overview]
Message-ID: <CAM-tV-_N5j7q=RzpzaBCrwtrDr_4Eo2PqXiisMi+DuZV57sOHA@mail.gmail.com> (raw)
In-Reply-To: <5e7a0ecf-0410-4080-9553-11e3da1361ba@default>
On Thu, Mar 23, 2017 at 4:24 PM, Drew Adams <drew.adams@oracle.com> wrote:
>> >> +For instance, if you are programming in Lisp, `yes-or-no-p' is a
>> >> +symbol, while `yes', `or', `no' and `p' are considered words.
>> >
>> > This text (same as before) is a bit misleading. It makes it sound
>> > like `yes', `or', `no', and `p' are considered words but not symbols.
>> > They are also considered symbols. Each of their characters has word
>> > syntax, but in Lisp those names name symbols.
>> >
>> > It is better not to talk about Lisp symbols at all here, I think.
>> > This is about the syntax categories symbol and word. It is not
>> > about which names can be used for Lisp symbols. (And there is
>> > no such thing as a Lisp "word".)
>>
>> The text is using "symbol" as a shorthand for "text which
>> `forward-symbol' would move over" or "sequence of characters with word
>> or symbol constituent syntax", and "word" as short for "text which
>> `forward-word' would move over" or "sequence of characters with word
>> constituent syntax".
>
> Yes, that's the intended meaning. Which is why it should not
> mention Lisp symbols, which are something else again.
Oh, your objection is about mentioning `yes-or-no-p'?
> I don't think any example is needed. Essentially we are saying
> here that if a letter has word syntax and `-' has symbol syntax
> then \"\\\\sw\" matches a word char and \"\\\\sw\\\\|\\\\s_\"
> matches a word char or a symbol char. Not worth saying, IMO.
So the last paragraph would be just:
For instance, suppose the current buffer is `emacs-lisp-mode'.
If this variable is nil or \"\\\\sw\\\\|\\\\s_\", then expanding
`yes-or-no-' looks for a symbol starting with `yes-or-no-'. If
you set this variable to \"\\\\sw\", that expansion looks for a
word prefixed with `no-' (e.g., it would match `no-problem', but
not `no-problem-found'). If expanding `yes-or-no' it would look
for a word starting with `no' (e.g. `normal')."
Or did you mean just drop it entirely?
next prev parent reply other threads:[~2017-03-23 20:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-04 13:30 bug#358: dabbrev-abbrev-char-regexp Otto Maddox
2008-10-14 1:07 ` Glenn Morris
2008-10-23 1:28 ` Glenn Morris
2011-07-06 17:46 ` Lars Magne Ingebrigtsen
2017-03-23 18:28 ` Noam Postavsky
2017-03-23 19:42 ` Drew Adams
2017-03-23 20:07 ` Noam Postavsky
2017-03-23 20:24 ` Drew Adams
2017-03-23 20:50 ` Noam Postavsky [this message]
2017-03-23 20:58 ` Drew Adams
2017-03-23 21:37 ` Noam Postavsky
2017-03-23 21:49 ` Drew Adams
2017-03-24 15:19 ` Noam Postavsky
2017-03-26 13:25 ` npostavs
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