GNU bug report logs - #2881
23.0.91; inconsistent regexps with "explicitly numbered group"

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Package: emacs;

Reported by: Joe Corneli <holtzermann17 <at> gmail.com>

Date: Fri, 3 Apr 2009 19:20:03 UTC

Severity: normal

Done: Stefan Monnier <monnier <at> IRO.UMontreal.CA>

Bug is archived. No further changes may be made.

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Message #50 received at 2881-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Joe Corneli <holtzermann17 <at> gmail.com>
Cc: 2881-done <at> debbugs.gnu.org
Subject: Re: bug#2881: 23.0.91; inconsistent regexps with "explicitly numbered  group"
Date: Fri, 03 Apr 2009 17:43:37 -0400

> What about the comparison between Form 4 and Form 5,
> which seems to not only go against the description of `\|'
> you quoted, but to contain another internal inconsistency
> (whether or not the final `}' is matched)?

Still quite expected.  Your regexp is:

  "\n*?\\\\begin{\\(?1:lisp\\)\\|\\(?1:idea\\)\\|\\(?1:common\\)}"
i.e.
  "\n*?\\\\begin{\\(?1:lisp\\)" or "\\(?1:idea\\)" or "\\(?1:common\\)}"

Clearly, the "lisp" alternative doesn't match a closing }


        Stefan
This bug report was last modified 16 years and 54 days ago.

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