From: Drew Adams <drew.adams@oracle.com>
To: Noam Postavsky <npostavs@users.sourceforge.net>
Cc: 358@debbugs.gnu.org
Subject: bug#358: dabbrev-abbrev-char-regexp
Date: Thu, 23 Mar 2017 13:24:19 -0700 (PDT) [thread overview]
Message-ID: <5e7a0ecf-0410-4080-9553-11e3da1361ba@default> (raw)
In-Reply-To: <CAM-tV--4R5B_VdcdMR4g3B83PPw9Ux3q=2vqEu7+YkYOPYq3Dw@mail.gmail.com>
> >> +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.
> I think it's reasonably clear from context (as
> you say, there is no such thing as a Lisp "word" in any other sense),
> but I have no problem replacing it with something less ambiguous if
> you can come up with something that's not too long.
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.
next prev parent reply other threads:[~2017-03-23 20:24 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 [this message]
2017-03-23 20:50 ` Noam Postavsky
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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