* bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal
@ 2020-06-25 19:20 Valtteri Vuorikoski
2020-09-01 14:36 ` Robert Pluim
0 siblings, 1 reply; 4+ messages in thread
From: Valtteri Vuorikoski @ 2020-06-25 19:20 UTC (permalink / raw)
To: 42045
If the DISPLAY environment variable is to an IPv6 literal such as
[::1]:1, the regexp that x-win.el adds to the display-format-alist to
recognize X11 does not match, which results in breakage.
x-win.el should probably add a second regexp to the alist, such as:
(add-to-list 'display-format-alist '("\\`\\[[^]]*\\]:[0-9]+\\(\\.[0-9]+\\)?\\'" . x))
Steps to repeat:
1. Run (window-system-for-display "[::1]:1").
2. Note that it returns nil instead of 'x.
In GNU Emacs 27.0.91 (build 3, x86_64-pc-linux-gnu, X toolkit, cairo version 1.15.10)
of 2020-06-24 built on workbuntu2
Repository revision: 632b0119e1ac0b907af41e4e4b7b5ab7557a5d90
Repository branch: emacs-27
Windowing system distributor 'HC-Consult', version 11.0.12008001
System Description: Ubuntu 18.04.4 LTS
Recent messages:
Loading /home/vuori/.emacs.local.d/local-init.el (source)...done
Battery status not available
Waiting for git... [2 times]
uncompressing x-win.el.gz...done
uncompressing frame.el.gz...done
Can’t guess python-indent-offset, using defaults: 4
Error during redisplay: (jit-lock-function 525) signaled (end-of-buffer)
Wrote /home/vuori/.emacs.local.d/desktop/.emacs.desktop.lock
Desktop: 2 frames, 20 buffers restored.
For information about GNU Emacs and the GNU system, type C-h C-a.
Configured using:
'configure --prefix=/usr/local/emacs --with-modules --with-cairo
--with-imagemagick --with-x-toolkit=athena
--without-toolkit-scroll-bars'
Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS
GSETTINGS GLIB NOTIFY INOTIFY ACL GNUTLS LIBXML2 FREETYPE HARFBUZZ
M17N_FLT LIBOTF ZLIB LUCID X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON
PDUMPER LCMS2 GMP
Important settings:
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=fcitx
locale-coding-system: utf-8-unix
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helm-mode: t
helm--remap-mouse-mode: t
async-bytecomp-package-mode: t
delete-selection-mode: t
global-auto-revert-mode: t
savehist-mode: t
desktop-save-mode: t
show-paren-mode: t
recentf-mode: t
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eldoc-mode: t
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font-lock-mode: t
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/home/vuori/.emacs.d/elpa/eldoc-1.0.0/eldoc hides /usr/local/emacs/share/emacs/27.0.91/lisp/emacs-lisp/eldoc
Features:
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make-network-process emacs)
Memory information:
((conses 16 470751 146121)
(symbols 48 36788 9)
(strings 32 151488 20190)
(string-bytes 1 4824461)
(vectors 16 56962)
(vector-slots 8 668767 98414)
(floats 8 386 657)
(intervals 56 2955 290)
(buffers 1000 33))
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal
2020-06-25 19:20 bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal Valtteri Vuorikoski
@ 2020-09-01 14:36 ` Robert Pluim
2020-09-03 9:39 ` Valtteri Vuorikoski
2021-06-12 13:12 ` Lars Ingebrigtsen
0 siblings, 2 replies; 4+ messages in thread
From: Robert Pluim @ 2020-09-01 14:36 UTC (permalink / raw)
To: Valtteri Vuorikoski; +Cc: 42045
>>>>> On Thu, 25 Jun 2020 22:20:05 +0300, Valtteri Vuorikoski <vuori@notcom.org> said:
Valtteri> If the DISPLAY environment variable is to an IPv6 literal such as
Valtteri> [::1]:1, the regexp that x-win.el adds to the display-format-alist to
Valtteri> recognize X11 does not match, which results in breakage.
Valtteri> x-win.el should probably add a second regexp to the alist, such as:
Valtteri> (add-to-list 'display-format-alist '("\\`\\[[^]]*\\]:[0-9]+\\(\\.[0-9]+\\)?\\'" . x))
That regexp won't work, since now youʼre requiring the '[' and ']' to
be present.
"\\`\\[?[^]]*\\]?:[0-9]+\\(\\.[0-9]+\\)?\\'" would fix that, but since
we donʼt really care what comes before the ':', so would
"\\`.*:[0-9]+\\(\\.[0-9]+\\)?\\'"
Robert
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal
2020-09-01 14:36 ` Robert Pluim
@ 2020-09-03 9:39 ` Valtteri Vuorikoski
2021-06-12 13:12 ` Lars Ingebrigtsen
1 sibling, 0 replies; 4+ messages in thread
From: Valtteri Vuorikoski @ 2020-09-03 9:39 UTC (permalink / raw)
To: 42045
On 9/1/20 5:36 PM, Robert Pluim wrote:
>>>>>> On Thu, 25 Jun 2020 22:20:05 +0300, Valtteri Vuorikoski <vuori@notcom.org> said:
>
> Valtteri> If the DISPLAY environment variable is to an IPv6 literal such as
> Valtteri> [::1]:1, the regexp that x-win.el adds to the display-format-alist to
> Valtteri> recognize X11 does not match, which results in breakage.
>
> Valtteri> x-win.el should probably add a second regexp to the alist, such as:
> Valtteri> (add-to-list 'display-format-alist '("\\`\\[[^]]*\\]:[0-9]+\\(\\.[0-9]+\\)?\\'" . x))
>
> That regexp won't work, since now youʼre requiring the '[' and ']' to
> be present.
>
> "\\`\\[?[^]]*\\]?:[0-9]+\\(\\.[0-9]+\\)?\\'" would fix that, but since
> we donʼt really care what comes before the ':', so would
>
> "\\`.*:[0-9]+\\(\\.[0-9]+\\)?\\'"
Yes, note "second regexp": the current regexp would remain and match
other types of hostnames/addresses. But if no one cares about the format
of the host part, your version is simpler.
-Valtteri
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal
2020-09-01 14:36 ` Robert Pluim
2020-09-03 9:39 ` Valtteri Vuorikoski
@ 2021-06-12 13:12 ` Lars Ingebrigtsen
1 sibling, 0 replies; 4+ messages in thread
From: Lars Ingebrigtsen @ 2021-06-12 13:12 UTC (permalink / raw)
To: Robert Pluim; +Cc: Valtteri Vuorikoski, 42045
Robert Pluim <rpluim@gmail.com> writes:
> That regexp won't work, since now youʼre requiring the '[' and ']' to
> be present.
>
> "\\`\\[?[^]]*\\]?:[0-9]+\\(\\.[0-9]+\\)?\\'" would fix that, but since
> we donʼt really care what comes before the ':', so would
>
> "\\`.*:[0-9]+\\(\\.[0-9]+\\)?\\'"
I think that makes sense? So I've pushed Robert's regexp to Emacs 28.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-06-12 13:12 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-25 19:20 bug#42045: 27.0.91; display-format-alist for X11 does not recognize DISPLAY with IPv6 literal Valtteri Vuorikoski
2020-09-01 14:36 ` Robert Pluim
2020-09-03 9:39 ` Valtteri Vuorikoski
2021-06-12 13:12 ` Lars Ingebrigtsen
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