GNU bug report logs -
#69462
29.2.50; describe-function should support finding references
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Reported by: Spencer Baugh <sbaugh <at> janestreet.com>
Date: Wed, 28 Feb 2024 17:41:02 UTC
Severity: normal
Found in version 29.2.50
Done: Dmitry Gutov <dmitry <at> gutov.dev>
Bug is archived. No further changes may be made.
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Your message dated Thu, 3 Oct 2024 03:07:03 +0300
with message-id <bc3a886d-61c4-4030-87f8-5aa03df0d916 <at> gutov.dev>
and subject line Re: bug#69462: 29.2.50; describe-function should support finding references
has caused the debbugs.gnu.org bug report #69462,
regarding 29.2.50; describe-function should support finding references
to be marked as done.
(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)
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69462: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=69462
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In emacs-lisp-mode in an Emacs git checkout, M-? (xref-find-references)
nicely searches the load path for references to a symbol.
It would be neat if this feature could be accessed from
describe-function and describe-variable as well, perhaps by just hitting
M-? in the help buffer.
The feature may need to be redesigned somewhat, since it's currently
dependent on being run from a project; to use it from a
describe-function help buffer, we'd want to only search the load-path.
In GNU Emacs 29.2.50 (build 4, x86_64-pc-linux-gnu, X toolkit, cairo
version 1.15.12, Xaw scroll bars) of 2024-02-28 built on
igm-qws-u22796a
Repository revision: 46e23709d37943a20faa735c97af520196a443e9
Repository branch: emacs-29
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: Rocky Linux 8.9 (Green Obsidian)
Configured using:
'configure 'CFLAGS=-O0 -g3' --with-gif=ifavailable
--with-x-toolkit=lucid'
Configured features:
CAIRO DBUS FREETYPE GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG RSVG
SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM
XINPUT2 XPM LUCID ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-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
font-lock-mode: t
blink-cursor-mode: t
line-number-mode: t
indent-tabs-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
Load-path shadows:
None found.
Features:
(help-mode pp shadow sort mail-extr emacsbug message mailcap yank-media
puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived
epg rfc6068 epg-config gnus-util text-property-search time-date subr-x
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils rmc iso-transl tooltip cconv eldoc paren
electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu
timer select scroll-bar mouse jit-lock font-lock syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads dbusbind inotify
dynamic-setting system-font-setting font-render-setting cairo x-toolkit
xinput2 x multi-tty make-network-process emacs)
Memory information:
((conses 16 66391 8487)
(symbols 48 9599 1)
(strings 32 23263 2684)
(string-bytes 1 688577)
(vectors 16 10405)
(vector-slots 8 158153 18632)
(floats 8 44 18)
(intervals 56 259 0)
(buffers 976 11))
[Message part 3 (message/rfc822, inline)]
Pushed to master in revision c8ecd7fa0da. Closing, but feedback welcome.
On 28/09/2024 02:01, Dmitry Gutov wrote:
> Hi!
>
> On 28/02/2024 19:31, Spencer Baugh wrote:
>>
>> In emacs-lisp-mode in an Emacs git checkout, M-? (xref-find-references)
>> nicely searches the load path for references to a symbol.
>>
>> It would be neat if this feature could be accessed from
>> describe-function and describe-variable as well, perhaps by just hitting
>> M-? in the help buffer.
>>
>> The feature may need to be redesigned somewhat, since it's currently
>> dependent on being run from a project; to use it from a
>> describe-function help buffer, we'd want to only search the load-path.
>
> Reusing the Elisp backend seems the easiest approach.
>
> Caveats:
>
> * You need to press RET after M-? like anywhere else (unless xref-
> prompt-for-identifier is customized).
> * A bit hackish change in 'xref-backend-definitions'.
>
> Pros:
>
> * Both M-? and M-. work on anything that looks like symbol in the help
> buffer, quoted or not - though there will be false positives like usual.
> * Can be similarly added to cl-describe-type.
This bug report was last modified 280 days ago.
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