GNU bug report logs - #52441
28.0.50; ffap-file-at-point reports a keyword symbol as the current directory

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Package: emacs;

Reported by: "Omar Antolín Camarena" <omar.antolin <at> gmail.com>

Date: Sat, 11 Dec 2021 23:21:01 UTC

Severity: normal

Tags: moreinfo

Found in version 28.0.50

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#52441; Package emacs. (Sat, 11 Dec 2021 23:21:01 GMT) Full text and rfc822 format available.

Acknowledgement sent to "Omar Antolín Camarena" <omar.antolin <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Sat, 11 Dec 2021 23:21:01 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Omar Antolín Camarena" <omar.antolin <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; ffap-file-at-point reports a keyword symbol as the current
 directory
Date: Sat, 11 Dec 2021 17:20:37 -0600
If you place point on the colon of any symbol, such as :foo and evaluate
the expression (ffap-file-at-point) the result is the value of
default-directory. This seems wrong, probably nil would be a better
answer.  If you put point on any other character of the symbol,
(ffap-file-at-point) does indeed return nil.


In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.5, cairo version 1.16.0)
 of 2021-04-04, unofficial emacs-snapshot build: http://emacs.ganneff.de/, git commit dd5ba88afbb63f54603cc632fc55993c04531a85 built on runner-d40f5ff3-project-26-concurrent-1
Repository revision: 06465fb89586a1559f2c119ec63040ef0c33d151
Repository branch: HEAD
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Debian GNU/Linux 10 (buster)

Configured using:
 'configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/28.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.0.50/site-lisp:/usr/share/emacs/site-lisp
 --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
 --libexecdir=/usr/lib --localstatedir=/var/lib
 --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
 --enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/28.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.0.50/site-lisp:/usr/share/emacs/site-lisp
 --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
 'CFLAGS=-g -O2
 -fdebug-prefix-map=/builds/joerg/emacs/buster_amd64/emacs-snapshot-20210404+emacs-27.1-5662-gdd5ba88afb=. -fstack-protector-strong
 -Wformat -Werror=format-security -Wall -fno-omit-frame-pointer'
 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
LCMS2 LIBOTF LIBSELINUX LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER
PNG RSVG SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3
ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Fundamental

Minor modes in effect:
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-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
  transient-mark-mode: t

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/home/omarantolin/.emacs.d/elpa/org-9.5.1/org-ctags hides /usr/share/emacs/28.0.50/lisp/org/org-ctags
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Memory information:
((conses 16 91568 7964)
 (symbols 48 9777 1)
 (strings 32 33220 2678)
 (string-bytes 1 1134625)
 (vectors 16 17290)
 (vector-slots 8 219224 8006)
 (floats 8 31 24)
 (intervals 56 284 0)
 (buffers 992 12))




Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#52441; Package emacs. (Sun, 12 Dec 2021 05:25:01 GMT) Full text and rfc822 format available.

Message #8 received at 52441 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Omar Antolín Camarena <omar.antolin <at> gmail.com>
Cc: 52441 <at> debbugs.gnu.org
Subject: Re: bug#52441: 28.0.50; ffap-file-at-point reports a keyword symbol
 as the current directory
Date: Sun, 12 Dec 2021 06:24:13 +0100
"Omar Antolín Camarena" <omar.antolin <at> gmail.com> writes:

> If you place point on the colon of any symbol, such as :foo and evaluate
> the expression (ffap-file-at-point) the result is the value of
> default-directory. This seems wrong, probably nil would be a better
> answer.  If you put point on any other character of the symbol,
> (ffap-file-at-point) does indeed return nil.

It's interpreted as a path.  I.e., with

/usr/bin:/bin

and point over the first bit, it returns "/usr/bin".  And empty
strings are valid directories in paths, and means "the current
directory".

So what it's doing is consistent, but perhaps surprising.  We could
change it to disregard the path interpretation if the string starts with
":", because that will be correct in the vast majority of the cases.

It more DWIM, but the ffap functions are already pretty DWIM, so I'm in
favour.  Anybody else got an opinion?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no




Added tag(s) moreinfo. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Sun, 12 Dec 2021 05:25:02 GMT) Full text and rfc822 format available.

Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#52441; Package emacs. (Fri, 14 Jan 2022 09:31:02 GMT) Full text and rfc822 format available.

Message #13 received at 52441 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Omar Antolín Camarena <omar.antolin <at> gmail.com>
Cc: 52441 <at> debbugs.gnu.org
Subject: Re: bug#52441: 28.0.50; ffap-file-at-point reports a keyword symbol
 as the current directory
Date: Fri, 14 Jan 2022 10:30:01 +0100
Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> It more DWIM, but the ffap functions are already pretty DWIM, so I'm in
> favour.  Anybody else got an opinion?

Nobody had an opinion in a month, so I've now made this change in Emacs
29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no




bug marked as fixed in version 29.1, send any further explanations to 52441 <at> debbugs.gnu.org and "Omar Antolín Camarena" <omar.antolin <at> gmail.com> Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Fri, 14 Jan 2022 09:31:02 GMT) Full text and rfc822 format available.

bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Fri, 11 Feb 2022 12:24:09 GMT) Full text and rfc822 format available.

This bug report was last modified 3 years and 187 days ago.

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