GNU bug report logs - #80109
30.2; Feature request: use markers in skeleton-positions

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

From: Michael Shulman <shulman <at> sandiego.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.2; Feature request: use markers in skeleton-positions
Date: Thu, 1 Jan 2026 12:57:13 -0800

[Message part 1 (text/plain, inline)]

If a @ in a skeleton is followed by a > on the same line, then the
integer buffer position recorded in skeleton-positions will no longer
correspond to the original location of the @ relative to the surrounding
text.  For example, in Elisp mode, write some unfinished sexp like

(progn

place the cursor at the beginning of the next line (unindented), and
execute (skeleton-insert '(nil "foo" @ "bar" >)).  The result will be

(progn
  foobar

but if you then execute (goto-char (car skeleton-positions)), the cursor
will end up after the "f" of "foo", rather than in between the "foo" and
"bar" as was almost certainly intended.

I think this would be fixed by storing markers in skeleton-positions
rather than integers.  I can even do this as a manual workaround by
putting it in the skeleton:

(skeleton-insert
  '(nil "foo" @
    '(setq skeleton-positions (mapcar #'copy-marker skeleton-positions))
    "bar" >))

But I think it would be better if this were the default behavior.
Although technically an incompatible change, I suspect that usually the
integers in skeleton-positions are used in ways that also accept a
marker.


In GNU Emacs 30.2 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
 cairo version 1.18.0) of 2025-12-16 built on lcy02-amd64-070
Repository revision: ff7d3f02b943af29afb1c68a2b31f88441dee928
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: Ubuntu 22.04.5 LTS

Configured using:
 'configure --prefix=/snap/emacs/current/usr --with-x-toolkit=gtk3
 --without-xaw3d --with-modules --with-cairo
 --with-native-compilation=aot --without-pgtk --with-xinput2
 --with-tree-sitter 'CFLAGS=-isystem
 /build/emacs/parts/emacs/install/usr/include -isystem
 /build/emacs/parts/emacs/install/usr/include/x86_64-linux-gnu -isystem
 /build/emacs/stage/usr/include -O2' 'CPPFLAGS=-isystem
 /build/emacs/parts/emacs/install/usr/include -isystem
 /build/emacs/parts/emacs/install/usr/include/x86_64-linux-gnu -isystem
 /build/emacs/stage/usr/include'
 'LDFLAGS=-L/build/emacs/parts/emacs/install/lib
 -L/build/emacs/parts/emacs/install/usr/lib
 -L/build/emacs/parts/emacs/install/lib/x86_64-linux-gnu
 -L/build/emacs/parts/emacs/install/usr/lib/x86_64-linux-gnu
 -L/build/emacs/stage/usr/lib''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP
NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: ELisp/l

Minor modes in effect:
  global-git-commit-mode: t
  magit-auto-revert-mode: t
  auto-revert-mode: t
  etags-regen-mode: t
  TeX-PDF-mode: t
  TeX-source-correlate-mode: t
  windmove-mode: t
  recentf-mode: t
  server-mode: t
  pixel-scroll-precision-mode: t
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  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
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  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/shulman/.emacs.d/elpa/git-commit-20240623.1335/git-commit hides
/home/shulman/.emacs.d/elpa/magit-20251217.1836/git-commit
/home/shulman/.emacs.d/elpa/transient-20251215.2209/transient hides
/snap/emacs/current/usr/share/emacs/30.2/lisp/transient

Features:
(shadow sort mail-extr emacsbug mule-util jka-compr vc-hg vc-bzr vc-src
vc-sccs vc-svn vc-cvs vc-rcs log-view bug-reference face-remap
magit-submodule magit-blame magit-stash magit-reflog magit-bisect
magit-push magit-pull magit-fetch magit-clone magit-remote magit-commit
magit-sequence magit-notes magit-worktree magit-tag magit-merge
magit-branch magit-reset magit-files magit-refs magit-status magit
magit-repos magit-apply magit-wip magit-log which-func magit-diff
smerge-mode diff git-commit log-edit message sendmail yank-media puny
dired dired-loaddefs rfc822 mml mml-sec epa epg rfc6068 epg-config
gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047
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ocamlformat vc vc-dispatcher opam-user-setup agda2-mode derived
agda2-queue agda2-abbrevs agda2-highlight agda-input quail annotation
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vterm-autoloads info with-editor-autoloads yaml-mode-autoloads package
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lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch
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font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic
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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 lcms2
dynamic-setting system-font-setting font-render-setting cairo gtk
x-toolkit xinput2 x multi-tty move-toolbar make-network-process
native-compile emacs)

Memory information:
((conses 16 558606 108273) (symbols 48 28772 0)
 (strings 32 109079 15200) (string-bytes 1 3256863) (vectors 16 63351)
 (vector-slots 8 1503432 136481) (floats 8 377 257)
 (intervals 56 29866 11) (buffers 992 32))

[Message part 2 (text/html, inline)]

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