chemacs.git/src, branch devmain

Avoid background fills on parent during child frame resize/move/hide

2026-06-04T03:42:19Z

* src/xterm.c (x_suspend_background_fills) (x_restore_background_fills): New functions. (x_set_window_size, x_set_window_size_and_position) (x_make_frame_invisible): Use them (bug#80961).

Improve x_free_gc checking when debugging

2026-06-01T16:55:54Z

* src/xfaces.c (x_free_gc): When debugging, also diagnose unlikely case when ngcs == INT_MIN.

Pacify -Wuseless-cast if --enable-checking=all

2026-06-01T16:55:54Z

Problem reported by Helmut Eller (Bug#81132#25). * src/dispextern.h (IF_DEBUG): Omit cast that is useless if the argument is already void. * src/ftfont.c (adjust_anchor): Omit useless cast.

Prevent segfaults due to frame resizing at the wrong time

2026-06-01T12:03:45Z

* src/dispextern.h: * src/xdisp.c (dont_resize_frames): New variable. (unwind_format_mode_line): Decrement 'dont_resize_frames'. (gui_consider_frame_title, display_mode_line, Fformat_mode_line): Increment 'dont_resize_frames'. * src/dispnew.c (do_pending_window_change): Don't resize frames if 'dont_resize_frames' is non-zero. (Bug#81121)

Check whether g_settings_schema_source_get_default returned NULL

2026-06-01T11:49:24Z

* src/pgtkfns.c (parse_resource_key): * src/xsettings.c (init_gsettings): Check whether g_settings_schema_source_look up returned NULL (bug#81166). Copyright-paperwork-exempt: yes

Allow optionally disabling the use of TABs for TTY cursor movement

2026-05-31T08:36:15Z

* src/term.c (syms_of_term) : New var. : Doc fix. * src/cm.c (calccost): Use it to disable use of TABs for cursor motion on text terminals. * etc/NEWS: Announce the new variable.

Merge from origin/emacs-31

2026-05-29T10:01:25Z

c3babe4b896 Fix lax whitespace highlight during query-replace 2e70b88623e Fix fill-paragraph combining text with preceding comment ea54c33950f ; * etc/PROBLEMS: Link to bug#81124. 02897e208d0 emacsclient quote_argument is void c6181780663 ; Mark process-test-stderr-buffer as :unstable when runni... 2c1b45f5c56 ; Improve documentation of 'vc-dir-auto-hide-up-to-date' 768c8bf0045 Revert "* admin/notes/documentation: Recommend not using ... a7414f18598 native--compile-skip-on-battery-p: Try to fix ?b, ?B cond... 7cee526a8cc Save and restore original local keymap in grep-edit-mode 4d87d203cfb Fix display of inline SVG images in Rmail 4c55d04ebe3 Add treesit-ready-p check back to tree-sitter major modes... 7892ae5eaf4 Fix pathological slowness in flex completion 12eec781ed6 No longer raise error on HTTP 402 (Payment Required) (bug... 1800350b186 Avoid compilation-mode matching rust as gnu

Speed-up cursor motion under 'display-line-numbers-mode'

2026-05-28T15:36:11Z

* src/xfaces.c (Finternal_lisp_face_equal_p): Accept an additional optional argument INHERIT; if non-nil, consider two faces equal if one inherits from the other and doesn't specify any other attributes to be different from it. * src/xdisp.c (try_cursor_movement, try_window_id): Call 'Finternal_lisp_face_equal_p' with non-nil INHERIT argument, to speed up redisplay in the default case when line numbers are shown. (Bug#81133) * test/src/xfaces-tests.el (xfaces-test-face-equality): New test.

dbus-call-method-asynchronously supports also an ERROR-HANDLER

2026-05-28T08:03:05Z

* doc/misc/dbus.texi (Asynchronous Methods): HANDLER can also be (HANDLER . ERROR-HANDLER). * etc/NEWS: Mention ERROR-HANDLER of dbus-call-method-asynchronously. * lisp/net/dbus.el (dbus-call-method-asynchronously): Adapt docstring. (dbus-check-event, dbus-handle-event): HANDLER can also be (HANDLER . ERROR-HANDLER). * src/dbusbind.c (Fdbus_message_internal): HANDLER can also be (HANDLER . ERROR-HANDLER). (Bug#80952) * test/lisp/net/dbus-tests.el (dbus--test-method-another-handler) (dbus--test-method-error-handler): New defvars. (dbus--test-method-another-handler) (dbus--test-method-error-handler): New functions. (dbus-test04-call-method-error-handler): New test. (dbus-test10-keep-fd): Extend test.

Fix the MSDOS build

2026-05-28T04:59:55Z

* msdos/sedlibmk.inp (GL_GNULIB_STDC_[^ =] &c.): Rename from GL_STDC_... and define to 1 before other variables prefixed GL_GNULIB_ are defined to 0. (NEXT_AS_FIRST_DIRECTIVE_STDBIT_H) (NEXT_AS_FIRST_DIRECTIVE_STDCOUNTOF_H, STDCOUNTOF_H): Define. (GL_HAVE_STDBIT_H_CONDITION): Replace GL_GENERATE_STDBIT_H_CONDITION. (CXX_HAVE_STDCOUNTOF_H, GL_GNULIB_STREQ, GL_GNULIB_MEMEQ) (GL_GNULIB_STRNUL, GL_GENERATE_STDCOUNTOF_H_CONDITION): Substitute "1". * src/conf_post.h (_REGEX_AVOID_UCHAR_H) [MSDOS]: Define to 1. * src/term.c (init_tty) [MSDOS]: Set TN_max_colors to 16, which was deleted inadvertently with recent MS Windows modifications. * config.bat: Rename stdcountof.in.h appropriately.