GNU bug report logs -
#18337
24.4.50; apropos fails on "scroll"
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Reported by: Detlev Zundel <dzu <at> akk.org>
Date: Wed, 27 Aug 2014 15:42:02 UTC
Severity: normal
Tags: confirmed
Found in version 24.4.50
Done: npostavs <at> users.sourceforge.net
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
Simply call M-x apropos and enter "scroll". This produces this error:
mapconcat: Wrong type argument: symbolp, 0
This error does not happen on all strings, but I don't see a clear
picture here.
In GNU Emacs 24.4.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.12.2)
of 2014-08-27 on deepthought
Windowing system distributor `The X.Org Foundation', version 11.0.11600000
System Description: Debian GNU/Linux unstable (sid)
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
GNUTLS LIBXML2 FREETYPE LIBOTF XFT ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Fundamental
Minor modes in effect:
tooltip-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
buffer-read-only: t
line-number-mode: t
Recent input:
<escape> x a p r o p o s <return> s c r o l l <return>
<escape> x r e p o r t - b u g <return>
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
mapconcat: Wrong type argument: symbolp, 0
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr emacsbug message dired format-spec
rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse
rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
ietf-drums mm-util help-fns mail-prsvr mail-utils apropos time-date
tooltip electric uniquify ediff-hook vc-hooks lisp-float-type mwheel
x-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list
newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev minibuffer nadvice loaddefs button faces cus-face macroexp
files text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
dbusbind gfilenotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
Memory information:
((conses 16 79506 9305)
(symbols 48 18257 0)
(miscs 40 103 114)
(strings 32 10953 4671)
(string-bytes 1 299349)
(vectors 16 9564)
(vector-slots 8 391713 10077)
(floats 8 70 63)
(intervals 56 317 181)
(buffers 976 13)
(heap 1024 43147 862))
--
Practice random senselessness and act kind of beautiful.
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(Wed, 27 Aug 2014 15:48:01 GMT)
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Message #8 received at 18337 <at> debbugs.gnu.org (full text, mbox):
> Simply call M-x apropos and enter "scroll". This produces this
> error:
>
> mapconcat: Wrong type argument: symbolp, 0
FWIW, I cannot repro it with this build:
In GNU Emacs 24.4.50.1 (i686-pc-mingw32)
of 2014-06-28 on ODIEONE
Bzr revision: 117431 rgm <at> gnu.org-20140628015517-eku6hj8mpgcvfnso
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
`configure --prefix=/c/Devel/emacs/snapshot/trunk
--enable-checking=yes,glyphs 'CFLAGS=-O0 -g3'
LDFLAGS=-Lc:/Devel/emacs/lib 'CPPFLAGS=-DGC_MCHECK=1
-Ic:/Devel/emacs/include''
Added tag(s) confirmed.
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(Wed, 27 Aug 2014 16:04:01 GMT)
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Message #13 received at 18337 <at> debbugs.gnu.org (full text, mbox):
Hi Drew,
thanks for looking into this.
>> Simply call M-x apropos and enter "scroll". This produces this
>> error:
>>
>> mapconcat: Wrong type argument: symbolp, 0
>
> FWIW, I cannot repro it with this build:
>
> In GNU Emacs 24.4.50.1 (i686-pc-mingw32)
> of 2014-06-28 on ODIEONE
> Bzr revision: 117431 rgm <at> gnu.org-20140628015517-eku6hj8mpgcvfnso
> Windowing system distributor `Microsoft Corp.', version 6.1.7601
> Configured using:
> `configure --prefix=/c/Devel/emacs/snapshot/trunk
> --enable-checking=yes,glyphs 'CFLAGS=-O0 -g3'
> LDFLAGS=-Lc:/Devel/emacs/lib 'CPPFLAGS=-DGC_MCHECK=1
> -Ic:/Devel/emacs/include''
Maybe I should add that this is a build from a
git://git.savannah.gnu.org/emacs.git - the last commit in there is:
commit c4d022dad4d77869e4c8b8cefd4281fd0f3bd41a
Author: Michael Albinus <michael.albinus <at> gmx.de>
Date: Wed Aug 27 13:22:37 2014 +0200
* lisp.h (str_collate):
* sysdep.c (str_collate): Return int.
(str_collate) [__STDC_ISO_10646__]: Propagate error of wcscoll.
But back to the issue. I debuged this a little bit and found this to be
the problem:
(when (setq properties (symbol-plist 'vertical-scroll-bar))
(setq doc (list (car properties)))
(while (setq properties (cdr (cdr properties)))
(setq doc (cons (car properties) doc)))
(nreverse doc))
=> (0 event-symbol-element-mask event-symbol-elements modifier-cache variable-documentation)
Applying 'symbol-name to that list then yields the error. Why
vertical-scroll-bar has this plist is beyond me however. Does this ring
a bell to someone?
Thanks
Detlev
--
Applied mathematicians do it by computer simulation.
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(Thu, 28 Aug 2014 13:18:01 GMT)
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Message #16 received at 18337 <at> debbugs.gnu.org (full text, mbox):
> (when (setq properties (symbol-plist 'vertical-scroll-bar))
> (setq doc (list (car properties)))
> (while (setq properties (cdr (cdr properties)))
> (setq doc (cons (car properties) doc)))
> (nreverse doc))
> => (0 event-symbol-element-mask event-symbol-elements modifier-cache variable-documentation)
> Applying 'symbol-name to that list then yields the error.
Note that, while convention is to use a symbol for property names, that
is not the only valid choice. 0 is a valid property name (tho an odd
one, arguably).
So while this 0 should probably be changed the mapconcat code that burps
on it should probably be changed not to assume that only symbols will
be used as property names.
Stefan
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Message #19 received at 18337 <at> debbugs.gnu.org (full text, mbox):
Hi Stefan,
[added Dmitry on CC as the changelog seems to make a connection to the
problem at hand]
>> (when (setq properties (symbol-plist 'vertical-scroll-bar))
>> (setq doc (list (car properties)))
>> (while (setq properties (cdr (cdr properties)))
>> (setq doc (cons (car properties) doc)))
>> (nreverse doc))
>
>> => (0 event-symbol-element-mask event-symbol-elements modifier-cache variable-documentation)
>
>> Applying 'symbol-name to that list then yields the error.
>
> Note that, while convention is to use a symbol for property names, that
> is not the only valid choice. 0 is a valid property name (tho an odd
> one, arguably).
I think in this case it actually caught an error though.
> So while this 0 should probably be changed the mapconcat code that burps
> on it should probably be changed not to assume that only symbols will
> be used as property names.
Looking deeper, it turns out that the 0 results from this:
buffer.c:5473
DEFSYM (Qvertical_scroll_bar, "vertical-scroll-bar");
Fput (Qvertical_scroll_bar, Qchoice, list4 (Qnil, Qt, Qleft, Qright));
DEFSYM (Qhorizontal_scroll_bar, "horizontal-scroll-bar");
DEFSYM (Qfraction, "fraction");
Fput (Qfraction, Qrange, Fcons (make_float (0.0), make_float (1.0)));
DEFSYM (Qoverwrite_mode, "overwrite-mode");
Fput (Qoverwrite_mode, Qchoice,
list3 (Qnil, intern ("overwrite-mode-textual"),
intern ("overwrite-mode-binary")));
As far as I can tell, it should thus really be 'choice. Actually both
vertical-scroll-bar and overwrite-mode have the problem:
(symbol-plist 'vertical-scroll-bar)
=> (0 (nil t left right) event-symbol-element-mask (vertical-scroll-bar 0) event-symbol-elements (vertical-scroll-bar) modifier-cache ((0 . vertical-scroll-bar)) variable-documentation 374228)
(symbol-plist 'overwrite-mode)
=> (0 (nil overwrite-mode-textual overwrite-mode-binary) event-symbol-element-mask (overwrite-mode 0) event-symbol-elements (overwrite-mode) modifier-cache ((0 . overwrite-mode)) :minor-mode-function binary-overwrite-mode variable-documentation 370277)
The changelog mentions this
2014-07-16 Dmitry Antipov <dmantipov <at> yandex.ru>
More precise control over values of some buffer-local variables.
* keyboard.c (Qvertical_scroll_bar):
* frame.c (Qleft, Qright): Move to ...
* buffer.c (Qleft, Qright, Qvertical_scroll_bar): ... here.
* buffer.c (Qchoice, Qrange, Qoverwrite_mode, Qfraction): New symbols.
(syms_of_buffer): DEFSYM all of the above, attach special properties.
Use special symbols to DEFVAR_PER_BUFFER overwrite-mode,
vertical-scroll-bar, scroll-up-aggressively
and scroll-down-aggressively.
Dmitry, do you know why the construct for choice fails?
Thanks
Detlev
--
We can forgive a man for making a useful thing as long as he does not
admire it. The only excuse for making a useless thing is that one
admires it intensely.
--- Oscar Wilde
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Message #22 received at 18337 <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
Hi,
> Hi Stefan,
>
> [added Dmitry on CC as the changelog seems to make a connection to the
> problem at hand]
>
>>> (when (setq properties (symbol-plist 'vertical-scroll-bar))
>>> (setq doc (list (car properties)))
>>> (while (setq properties (cdr (cdr properties)))
>>> (setq doc (cons (car properties) doc)))
>>> (nreverse doc))
>>
>>> => (0 event-symbol-element-mask event-symbol-elements
>>> modifier-cache variable-documentation)
>>
>>> Applying 'symbol-name to that list then yields the error.
>>
>> Note that, while convention is to use a symbol for property names, that
>> is not the only valid choice. 0 is a valid property name (tho an odd
>> one, arguably).
>
> I think in this case it actually caught an error though.
>
>> So while this 0 should probably be changed the mapconcat code that burps
>> on it should probably be changed not to assume that only symbols will
>> be used as property names.
>
> Looking deeper, it turns out that the 0 results from this:
>
> buffer.c:5473
>
> DEFSYM (Qvertical_scroll_bar, "vertical-scroll-bar");
> Fput (Qvertical_scroll_bar, Qchoice, list4 (Qnil, Qt, Qleft, Qright));
> DEFSYM (Qhorizontal_scroll_bar, "horizontal-scroll-bar");
>
> DEFSYM (Qfraction, "fraction");
> Fput (Qfraction, Qrange, Fcons (make_float (0.0), make_float (1.0)));
>
> DEFSYM (Qoverwrite_mode, "overwrite-mode");
> Fput (Qoverwrite_mode, Qchoice,
> list3 (Qnil, intern ("overwrite-mode-textual"),
> intern ("overwrite-mode-binary")));
>
> As far as I can tell, it should thus really be 'choice. Actually both
> vertical-scroll-bar and overwrite-mode have the problem:
>
> (symbol-plist 'vertical-scroll-bar)
>
> => (0 (nil t left right) event-symbol-element-mask (vertical-scroll-bar 0) event-symbol-elements (vertical-scroll-bar) modifier-cache ((0 . vertical-scroll-bar)) variable-documentation 374228)
>
> (symbol-plist 'overwrite-mode)
>
> => (0 (nil overwrite-mode-textual overwrite-mode-binary) event-symbol-element-mask (overwrite-mode 0) event-symbol-elements (overwrite-mode) modifier-cache ((0 . overwrite-mode)) :minor-mode-function binary-overwrite-mode variable-documentation 370277)
>
> The changelog mentions this
>
> 2014-07-16 Dmitry Antipov <dmantipov <at> yandex.ru>
>
> More precise control over values of some buffer-local variables.
> * keyboard.c (Qvertical_scroll_bar):
> * frame.c (Qleft, Qright): Move to ...
> * buffer.c (Qleft, Qright, Qvertical_scroll_bar): ... here.
> * buffer.c (Qchoice, Qrange, Qoverwrite_mode, Qfraction): New symbols.
> (syms_of_buffer): DEFSYM all of the above, attach special properties.
> Use special symbols to DEFVAR_PER_BUFFER overwrite-mode,
> vertical-scroll-bar, scroll-up-aggressively
> and scroll-down-aggressively.
>
> Dmitry, do you know why the construct for choice fails?
The attached patch fixes the problem for me as the plist now looks like
this:
(symbol-plist 'vertical-scroll-bar)
=> (choice (nil t left right) event-symbol-element-mask (vertical-scroll-bar 0) event-symbol-elements (vertical-scroll-bar) modifier-cache ((0 . vertical-scroll-bar)) variable-documentation 374812)
Cheers
Detlev
--
The 82558 B-step and later generation devices do not maintain a link
in D3 if PME is disabled or if the device does not have power.
-- Intel documentation
[0001-src-buffer.c-syms_of_buffer-Add-forgotten-Qchoice-DE.patch (text/x-diff, inline)]
From 5294eb80883abc3fb06805f972693664b294079f Mon Sep 17 00:00:00 2001
From: Detlev Zundel <dzu <at> member.fsf.org>
Date: Thu, 11 Sep 2014 10:37:54 +0200
Subject: [PATCH] * src/buffer.c (syms_of_buffer): Add forgotten Qchoice DEFSYM
---
src/ChangeLog | 4 ++++
src/buffer.c | 1 +
2 files changed, 5 insertions(+)
diff --git a/src/ChangeLog b/src/ChangeLog
index e20072d..393fbe7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2014-09-11 Detlev Zundel <dzu <at> member.fsf.org>
+
+ * buffer.c (syms_of_buffer): Add forgotten Qchoice DEFSYM
+
2014-09-03 Martin Rudalics <rudalics <at> gmx.at>
* buffer.c (scroll-bar-height): Fix typo in doc-string.
diff --git a/src/buffer.c b/src/buffer.c
index 45e614f..dd1e205 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5386,6 +5386,7 @@ syms_of_buffer (void)
staticpro (&Qpermanent_local);
staticpro (&Qkill_buffer_hook);
+ DEFSYM (Qchoice, "choice");
DEFSYM (Qleft, "left");
DEFSYM (Qright, "right");
DEFSYM (Qrange, "range");
--
2.1.0
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Message #25 received at 18337 <at> debbugs.gnu.org (full text, mbox):
On 09/11/2014 12:42 PM, Detlev Zundel wrote:
> * buffer.c (syms_of_buffer): Add forgotten Qchoice DEFSYM
Thanks, installed as r117868.
Dmitry
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Message #28 received at 18337 <at> debbugs.gnu.org (full text, mbox):
Hi Dmitry,
> On 09/11/2014 12:42 PM, Detlev Zundel wrote:
>
>> * buffer.c (syms_of_buffer): Add forgotten Qchoice DEFSYM
>
> Thanks, installed as r117868.
Thanks!
Detlev
--
I haven't lost my mind, I know exactly where I left it.
bug closed, send any further explanations to
18337 <at> debbugs.gnu.org and Detlev Zundel <dzu <at> akk.org>
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This bug report was last modified 7 years and 26 days ago.
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