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bug#3001: marked as done (23.0.92; doc for regexp construct (?:)


From: Emacs bug Tracking System
Subject: bug#3001: marked as done (23.0.92; doc for regexp construct (?:)
Date: Wed, 15 Apr 2009 22:00:03 +0000

Your message dated Wed, 15 Apr 2009 17:57:04 -0400
with message-id <address@hidden>
and subject line Re: 23.0.92; doc for regexp construct (?:
has caused the Emacs bug report #3001,
regarding 23.0.92; doc for regexp construct (?:
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
3001: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=3001
Emacs Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: 23.0.92; doc for regexp construct (?: Date: Tue, 14 Apr 2009 23:41:48 -0700
Emacs calls regexp groups that use the grouping construct "(?:" "shy
groups".  I don't get the impression that that is a common term for
this construct, outside Emacs.  Googling "shy group" shows only Emacs
hits.  Googling and searching for regexp groups shows that terms such
as "non-capturing group" and "unnumbered group" are more typically
used for "(?:".
 
And the Emacs doc for "(?:" even explains it as an unnumbered group.
It doesn't explain or hint at the meaning of "shy" at all.  This seems
like a poor choice of words.
 
"Shy" might already have become the Emacs "traditional" terminology,
so that it can't easily be replaced (some people will look for it).
But at least some explanation of the use of the word "shy" is in
order, if only for mnemonic purposes.  What were you thinking? ;-)
(Perhaps it is translated from some other language, where it has more
than one meaning?)
 
More importantly, this construct does not appear to be indexed in the
manual.  It should be indexed under "(: in regexp", as well as under
"regexp non-capturing group" and "regexp unnumbered group" - and of
course "regexp shy group", if that term is kept.
 
 
 
In GNU Emacs 23.0.92.1 (i386-mingw-nt5.1.2600)
 of 2009-03-30 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'
 




--- End Message ---
--- Begin Message --- Subject: Re: 23.0.92; doc for regexp construct (?: Date: Wed, 15 Apr 2009 17:57:04 -0400
I've updated the manual to include "shy groups", "non-capturing groups",
and "unnumbered groups" in the index, and to introduce the latter two
terms.


--- End Message ---

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