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bug#34525: replace-regexp missing some matches
From: |
Alan Mackenzie |
Subject: |
bug#34525: replace-regexp missing some matches |
Date: |
Mon, 18 Feb 2019 21:10:26 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Hello, again.
On Mon, Feb 18, 2019 at 17:50:16 +0200, Eli Zaretskii wrote:
> > From: Daniel Lopez <daniel.lopez999@gmail.com>
> > Date: Mon, 18 Feb 2019 08:28:35 +0000
> > - Start "emacs -Q" and open the file BitmapFontFace.h
> > - Evaluate the expression (replace-regexp "\\<Bitmap\\>" "SharedBitmap")
> > - The text "Replaced 8 occurrences" appears in the echo area.
> > Problem:
> > There were actually 12 occurrences (ie. of the word "Bitmap" surrounded
> > by word boundaries) in the file that should have been replaced. If I now
> > move point back to the start of the buffer and evaluate the expression
> > again, it says "Replaced 4 occurrences".
> > The exact number of incorrect replacements perhaps varies over time.
> > That is, I can test it five times in a row and get 8 initial replacments
> > each time, but after trying some other search terms, messing with the
> > file, restarting Emacs etc, I try my initial test again and then maybe
> > it consistently replaces 10 the first time, for a while. So your exact
> > numbers may vary.
> C++ Mode plays some funky games with the syntax of '<', so maybe this
> is the consequence. CC'ing Alan, in the hope that he might have
> something interesting to say about this.
I built a version of CC Mode with the use of the category properties on
< and > disabled. This version used straight syntax-table text
properties instead. The bug still happened.
So, although I should probably get rid of this too "clever" use of
category properties, they seem not to be the cause of this bug.
> Thanks.
--
Alan Mackenzie (Nuremberg, Germany).
- bug#34525: replace-regexp missing some matches, Daniel Lopez, 2019/02/18
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/18
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/18
- bug#34525: replace-regexp missing some matches,
Alan Mackenzie <=
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/20
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/20
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/20
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/20
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/20
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/20
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/24
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/24
- bug#34525: replace-regexp missing some matches, Alan Mackenzie, 2019/02/24
- bug#34525: replace-regexp missing some matches, Eli Zaretskii, 2019/02/25