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Article #87856

\\\\'s in argument of replace-match

#87856
From: Urban Engberg
Date: Sat, 20 Aug 1994 21:30
33 lines
2057 bytes
I am aware that this bug report may not be very helpful, but am unable
to present an exact sequence of events that will help you isolate the
bug.  I therefore submit the report for your information only, with
the hope that it may be of help.

In GNU Emacs 19.25.1 of Sun Jun 19 1994 on lytton (mips-dec-ultrix4.2)

standard-display-european patch, no other changes.

The problem: Typing

  M-escape ( r e p l a c e - m a t c h SPC " \ \ \ \ " ) return 

should replace the last match with a `\\', i.e. with what will in the
emacs buffer be just a back-slash.  However, it replaces it with the
empty string.  I have been unable to make replace-match insert any
back-slashes at all (but have no problems inserting e.g. the nth
subexpression by a "\\n").

How to make it appear: The bug appears consistently (that is, in all
Emacs sessions I have been running) after I have been using the same
Emacs session for some days.  I have been unsuccessful in determining
what action triggers it.  I use a rather complicated Emacs setup, with
many modes and use hl319 with on-the-fly highlighting.

If you have any suggestions on how I may isolate the bug, I would be
happy to help.

--
Urban Engberg					Computer Science Department
urban@daimi.aau.dk				Aarhus University
Phn: +45 8942 3263 / +45 8942 3188		Ny Munkegade, Building 540
Fax: +45 8942 3255				DK-8000 Aarhus C  --  DENMARK
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From: urban@daimi.aau.dk (Urban Engberg)
Newsgroups: gnu.emacs.bug
Subject: \\\\'s in argument of replace-match
Date: 20 Aug 1994 17:30:59 -0400
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