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File name completion with non-ascii filenames


From: Niels Möller
Subject: File name completion with non-ascii filenames
Date: 17 Dec 2001 16:44:45 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1

I'm sorry this bug seems hard to reproduce; I tried creating a new
directory containing the file names that seemed relevant, and then the
bug didn't occur. Anyway, I'll describe the problem:

I have a directory, where "för" is a common prefix for a few file
names. There are no file names that start with "fö" without an "r"
following. Full directory listing is included below.

First, I start a fresh emacs with emacs -q --no-site-file. Next, I
type C-x C-f (find-file), and then I type "för". The minibuffer
displays

   "Find file: ~/private/sonja/för"

Next I press TAB. The minibuffer changes to

   "Find file: ~/private/sonja/fö"

I press TAB again. A *Completions* buffer pops up, displaying the
possible completions

: Click <mouse-2> on a completion to select it.
: In this buffer, type RET to select the completion near point.
: 
: Possible completions are:
: förord.tex                       föräldrar-och-barn.aux
: föräldrar-och-barn.dvi                   föräldrar-och-barn.log
: föräldrar-och-barn.tex                   föräldrar-och-barn.txt

I would have expected emacs to give me the completions the first time
I pressed TAB, and that it would not delete the "r" from the prefix in
the minibuffer.

Details:

emacs-version: "GNU Emacs 21.1.1 (sparc-unknown-linux-gnu, X toolkit)
 of 2001-10-22 on cuckoo"

(BTW, that's another odd bug: The output from M-x emacs-version
appeared in the message area, but it was not appended to the
*Messages* buffer. Only a single line "G" was inserted in *Messages*.
I had to type (emacs-version) in the *scratch*-buffer to be able to
copy it. This problem doesn't appear in an emacs started with -q
--no-site-file, though, so it might be a local error).

No special configure flags, and no modifications.

Locale settings:

LC_ALL= LC_COLLATE= LC_CTYPE=sv_SE.iso-8859-1 LC_MESSAGES= LC_TIME= LANG=C

(And that's a bug in the node "Checklist for Bug Reports" in the
manual, it says

   echo LC_ALL=$LC_ALL LC_COLLATE=$LC_COLLATE LC_TYPE=$LC_TYPE \
        LC_MESSAGES=$LC_MESSAGES LC_TIME=$LC_TIME LANG=$LANG

but the variable is not named "LC_TYPE", it's "LC_CTYPE").

The contents of the directory in question, as displayed by ls -al:

$ ls -al
total 297
-rw-r--r--    1 nisse    nisse        1567 Dec 17 15:31 #föräldrar-och-barn.tex#
drwxr-xr-x    5 nisse    nisse        1024 Dec 17 15:31 .
lrwxrwxrwx    1 nisse    nisse          38 Dec 17 15:18 
.#föräldrar-och-barn.tex -> address@hidden:1007471266
drwxrwxr-x    5 nisse    nisse        1024 Dec 13 14:34 ..
-rw-r--r--    1 nisse    nisse         148 Dec 13 17:02 .cvsignore
-rw-r--r--    1 nisse    nisse           5 Dec 13 17:02 .cvsignore~
drwxr-xr-x    2 nisse    nisse        1024 Dec 17 14:59 CVS
-rw-r--r--    1 nisse    nisse        3491 Dec 13 14:16 Utan gemensamma 
intressen.tex~
-rw-r--r--    1 nisse    nisse        2762 Dec 12 11:23 Utan gemensamma 
intressen.txt
drwxr-xr-x    2 nisse    nisse        1024 Dec 17 15:18 auto
-rw-r--r--    1 nisse    nisse        8068 Dec 17 15:18 förord.tex
-rw-r--r--    1 nisse    nisse         315 Dec 17 15:27 föräldrar-och-barn.aux
-rw-r--r--    1 nisse    nisse       12016 Dec 17 15:27 föräldrar-och-barn.dvi
-rw-r--r--    1 nisse    nisse        5192 Dec 17 15:27 föräldrar-och-barn.log
-rw-r--r--    1 nisse    nisse        1566 Dec 17 15:18 föräldrar-och-barn.tex
-rw-r--r--    1 nisse    nisse      167973 Dec 17 15:32 föräldrar-och-barn.txt
-rw-r--r--    1 nisse    nisse         857 Dec 17 14:35 garamond.sty
drwxr-xr-x    3 nisse    nisse        1024 Dec 17 15:00 images
-rw-r--r--    1 nisse    nisse         552 Dec 17 15:08 macros.tex
-rw-r--r--    1 nisse    nisse           0 Dec 13 16:42 missfont.log
-rw-r--r--    1 nisse    nisse         718 Dec 13 14:37 texput.log
-rw-r--r--    1 nisse    nisse       26050 Dec 13 17:05 
utan-gemensamma-intressen-cm.ps
-rw-r--r--    1 nisse    nisse       15382 Dec 13 17:04 
utan-gemensamma-intressen-times.ps
-rw-r--r--    1 nisse    nisse         129 Dec 13 17:04 
utan-gemensamma-intressen.aux
-rw-r--r--    1 nisse    nisse        4416 Dec 13 17:04 
utan-gemensamma-intressen.dvi
-rw-r--r--    1 nisse    nisse        3419 Dec 17 14:37 
utan-gemensamma-intressen.log
-rw-r--r--    1 nisse    nisse       15376 Dec 13 16:43 
utan-gemensamma-intressen.ps
-rw-r--r--    1 nisse    nisse        3736 Dec 17 12:13 
utan-gemensamma-intressen.tex
-rw-r--r--    1 nisse    nisse        3739 Dec 13 17:05 
utan-gemensamma-intressen.tex.~1.2.~
-rw-r--r--    1 nisse    nisse        3480 Dec 13 14:37 
utan-gemensamma-intressen.tex~

The filenames are plain iso-8859-1, I verified using

  LC_CTYPE='' ls --escape

that there are no multibyte sequences or other strangeness going on.

Regards,
/Niels



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