GNU bug report logs - #4483
info doc Character Classes don't discuss case-fold-search for [:lower:] [:upper:]

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Chong Yidong <cyd <at> stupidchicken.com>
Subject: bug#4483: marked as done (info doc Character Classes don't
 discuss case-fold-search for  [:lower:] [:upper:])
Date: Sun, 08 Nov 2009 23:25:05 +0000

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Your message dated Sun, 08 Nov 2009 18:19:54 -0500
with message-id <87fx8ovc2t.fsf <at> stupidchicken.com>
and subject line Re: info doc Character Classes don't discuss case-fold-search for [:lower:] [:upper:]
has caused the Emacs bug report #4483,
regarding info doc Character Classes don't discuss case-fold-search for  [:lower:] [:upper:]
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.

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From: MON KEY <monkey <at> sandpframing.com>
To: bug-gnu-emacs <at> gnu.org
Subject: info doc Character Classes don't discuss case-fold-search for 
	[:lower:] [:upper:]
Date: Fri, 18 Sep 2009 17:56:00 -0400

In searching.texi @subsubsection Character Classes

(info "(elisp)Char Classes")

the character alternative items:
 `[:lower:]' and `[:upper:]'

should provide an indication that the classes are also affected by the
buffer local value of `case-fold-search'.

While the influence of buffer-local case variable settings _is_
discussed at the (info "(elisp)Searching and Case")
section, this is of little use where it isn't clear that the influence
of the current 'Case Table' is only indirectly related to the setting
of `case-fold-search' vis a vis regexp.

Likewise provision of an example might be nice:

,----
| (let ((case-fold-search nil))
|   (search-forward-regexp "\\([\\[:lower:]]\\)"))
`----

s_P

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: MON KEY <monkey <at> sandpframing.com>
Cc: 4483-done <at> debbugs.gnu.org
Subject: Re: info doc Character Classes don't discuss case-fold-search for [:lower:] [:upper:]
Date: Sun, 08 Nov 2009 18:19:54 -0500

> In searching.texi @subsubsection Character Classes
>
> (info "(elisp)Char Classes")
>
> the character alternative items:
>  `[:lower:]' and `[:upper:]'
>
> should provide an indication that the classes are also affected by the
> buffer local value of `case-fold-search'.

I have amended the doc accordingly.  Thanks.

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