* bug#10839: 24.0.93; wrong-type-argument listp for `ediff-strip-mode-line-format'
@ 2012-02-17 23:55 Drew Adams
2012-02-19 8:15 ` Chong Yidong
0 siblings, 1 reply; 2+ messages in thread
From: Drew Adams @ 2012-02-17 23:55 UTC (permalink / raw)
To: 10839
I tried to use `ediff-buffers' in a buffer where `mode-line-format' is a
string (which is quite OK). I got a `wrong-type-argument listp' error,
because `ediff-strip-mode-line-format' is not very smart:
(defsubst ediff-strip-mode-line-format ()
(if (member (car mode-line-format) '(" A: " " B: " " C: " " Ancestor: "))
(setq mode-line-format (nth 2 mode-line-format))))
It has no business assuming that `mode-line-format' is a list.
From the doc string of `mode-line-format':
Value may be nil, a string, a symbol or a list or cons cell.
For a recipe from emacs -Q:
C-h i
M-: (setq mode-line-format "UUUUUUUUUUUUUUUU")
M-x ediff-buffers RET *info* RET *scratch* RET
In GNU Emacs 24.0.93.1 (i386-mingw-nt5.1.2600)
of 2012-02-15 on MARVIN
Windowing system distributor `Microsoft Corp.', version 5.1.2600
Configured using:
`configure --with-gcc (4.6) --no-opt --enable-checking --cflags
-ID:/devel/emacs/libs/libXpm-3.5.8/include
-ID:/devel/emacs/libs/libXpm-3.5.8/src
-ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
-ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
-ID:/devel/emacs/libs/giflib-4.1.4-1/include
-ID:/devel/emacs/libs/jpeg-6b-4/include
-ID:/devel/emacs/libs/tiff-3.8.2-1/include
-ID:/devel/emacs/libs/gnutls-3.0.9/include'
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2012-02-17 23:55 bug#10839: 24.0.93; wrong-type-argument listp for `ediff-strip-mode-line-format' Drew Adams
2012-02-19 8:15 ` Chong Yidong
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