From: Seweryn Kokot <sewkokot@gmail.com>
To: bug-gnu-emacs@gnu.org
Subject: bug#1299: lispref - searching.texi: Updating of looking-back arguments and return values in the example
Date: Sun, 02 Nov 2008 20:06:29 +0100 [thread overview]
Message-ID: <87iqr6hrre.fsf@poczta.po.opole.pl> (raw)
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Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
See the diff attached. Note that I copied the explanation for greedy
argument of `looking-back' function. Because I'm not a native speaker
so probably this paragraph requires some rephrasing.
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diff -ud /home/sewi/emacs_cvs/emacs/doc/lispref/searching.texi /home/sewi/emacs_cvs/emacs/doc/lispref/searching_cor.texi
--- /home/sewi/zrodla/elisp_files/emacs_cvs/emacs/doc/lispref/searching.texi 2008-11-02 19:39:21.000000000 +0100
+++ /home/sewi/zrodla/elisp_files/emacs_cvs/emacs/doc/lispref/searching_cor.texi 2008-11-02 19:54:10.000000000 +0100
@@ -1094,7 +1094,7 @@
@end example
@end defun
-@defun looking-back regexp &optional limit
+@defun looking-back regexp &optional limit greedy
This function returns @code{t} if @var{regexp} matches text before
point, ending at point, and @code{nil} otherwise.
@@ -1105,6 +1105,10 @@
not to search before @var{limit}. In this case, the match that is
found must begin at or after @var{limit}.
+If greedy is non-nil, extend the match backwards as far as possible,
+stopping when a single additional previous character cannot be part
+of a match for regexp.
+
@example
@group
---------- Buffer: foo ----------
@@ -1408,7 +1412,7 @@
(re-search-forward "The \\(cat \\)")
(match-beginning 0)
(match-beginning 1))
- @result{} (9 9 13)
+ @result{} (17 9 13)
@end group
@group
Diff finished. Sun Nov 2 19:54:17 2008
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--
regards,
Seweryn Kokot
next reply other threads:[~2008-11-02 19:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-02 19:06 Seweryn Kokot [this message]
2008-11-03 7:41 ` bug#1299: lispref - searching.texi: Updating of looking-back arguments and return values in the example martin rudalics
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