* lisp/emacs-lisp/easy-mmode.el (define-minor-mode):
Use `advertised-calling-convention` to avoid promoting the old
style arguments. Emit a wanring when old-style arguments are used.
Massage the docstring accordingly.
* doc/lispref/modes.texi (Defining Minor Modes): Document the keyword
arguments rather than the old-style positional arguments.
When passing this option on GNU/Linux, Emacs installs a Secure
Computing kernel system call filter. See Bug#45198.
* configure.ac: Check for seccomp header.
* src/emacs.c (usage_message): Document --seccomp option.
(emacs_seccomp): New wrapper for 'seccomp' syscall.
(load_seccomp, maybe_load_seccomp): New helper functions.
(main): Potentially load seccomp filters during startup.
(standard_args): Add --seccomp option.
* lisp/startup.el (command-line): Detect and ignore --seccomp option.
* test/src/emacs-tests.el (emacs-tests/seccomp/absent-file)
(emacs-tests/seccomp/empty-file)
(emacs-tests/seccomp/file-too-large)
(emacs-tests/seccomp/invalid-file-size): New unit tests.
(emacs-tests--with-temp-file): New helper macro.
* etc/NEWS: Document new --seccomp option.
Edebug doesn't deal well with backtracking out of definitions, see
Bug#41988. Rather than trying to support this rare situation (e.g. by
implementing a multipass parser), prevent it by adding an implicit
gate.
* lisp/emacs-lisp/edebug.el (edebug--match-&-spec-op): Disable
backtracking when hitting a &define keyword.
* test/lisp/emacs-lisp/edebug-tests.el
(edebug-tests-duplicate-&define): New unit test.
(edebug-tests--duplicate-&define): New helper macro.
* doc/lispref/edebug.texi (Backtracking): Mention &define in the list
of constructs that disable backtracking.
* etc/NEWS: Document new behavior.
* lisp/isearch.el (isearch-direction-change-changes-match):
New user option (bug#47599).
(isearch-repeat): Use the new option.
(isearch-repeat-forward, isearch-repeat-backward): Adapt to the
new option.
* etc/NEWS: Mention the new user option.
* doc/emacs/search.texi: Document the new user option.
* lisp/repeat.el (repeat-map): New autoloaded global variable.
(repeat-post-hook): Use 'repeat-map' when non-nil
and reset it to nil afterwards.
(repeat-post-hook): Keep the current prefix when
'repeat-keep-prefix' is non-nil.
* lisp/window.el (other-window-repeat-map): Add "O" that sets
'repeat-map' to 'other-window-repeat-map' before calling
'(other-window -1)'.
https://lists.gnu.org/archive/html/emacs-devel/2021-03/msg01387.html
Librsvg <= 2.40 has restrictions on how certain numbers can be run
together in path elements which do not match the SVG spec.
* etc/images/checkbox-mixed.svg:
* etc/images/checked.svg:
* etc/images/radio-checked.svg:
* etc/images/unchecked.svg: Separate problem numbers.
* etc/images/radio-mixed.svg: Separate problem numbers and color and
font-weight data.
* etc/images/checkbox-mixed.svg:
* etc/images/checked.svg:
* etc/images/radio-checked.svg:
* etc/images/radio-mixed.svg:
* etc/images/radio.svg:
* etc/images/unchecked.svg: Use viewBox and set height to 1em.
* src/dispextern.h (struct image): Add font details required for the CSS.
* src/image.c (free_image): Free the font family string.
(search_image_cache):
(uncache_image): Make image caching understand the font details.
(lookup_image): Handle the font details when generating the image and
looking up the cache.
(svg_css_length_to_pixels): Handle 'em' when we know the font size.
(svg_load_image): Generate the CSS and apply it to the SVG.
(enum svg_keyword_index):
(svg_format):
(syms_of_image): Add ':css' attribute.
* doc/lispref/display.texi (SVG Images): Add details of new svg image
attributes.
* etc/images/checkbox-mixed.svg:
* etc/images/checked.svg:
* etc/images/down.svg:
* etc/images/left.svg:
* etc/images/radio-checked.svg:
* etc/images/radio-mixed.svg:
* etc/images/radio.svg:
* etc/images/right.svg:
* etc/images/unchecked.svg:
* etc/images/up.svg: New files from the Adwaita Icon Theme (made by
the GNOME project). The background color was changed from gray to
none to use the same colors as the current face instead. (Bug#47074)
* etc/images/README: Add license information for the above new files.
* lisp/wid-edit.el (widget-image-conversion): Prefer SVG if it exists.
(radio-button): Rename radio buttons to "radio-checked" and
"radio". These files did not exist before.
The primary idea is to allow `kill-buffer' and `kill-emacs' to
complete even if Emacs has trouble unlocking the buffer's file.
* lisp/userlock.el (userlock--handle-unlock-error): New function, call
`display-error'.
* src/filelock.c (unlock_file_body): New function, do what
'unlock_file' used to.
(unlock_file_handle_error): New function, call
`userlock--handle-unlock-error' with the captured error.
(unlock_file): Handle `file-error' conditions by calling the handler
defined above.
* test/src/filelock-tests.el (filelock-tests-kill-buffer-spoiled):
(filelock-tests-unlock-spoiled): Modify to test new behavior.
* Use the LibreOffice Relax-NG files since they include a hack to
support 1.2.
* rng source:
https://raw.githubusercontent.com/freedesktop/libreoffice-core/master/
schema/libreoffice/OpenDocument-schema-v1.3%2Blibreoffice.rng
* translation to rnc with trang:
trang -I rng -O rnc OpenDocument-schema-v1.3+libreoffice.rng \
OpenDocument-schema-v1.3+libreoffice.rnc
* etc/NEWS: Mention the new command.
* lisp/progmodes/project.el (project--remove-from-project-list): Add
new argument, report-message, used to signal various messages when
removal has happened.
* lisp/progmodes/project.el (project-remove-known-project): New
command that removes the selected directory from the project-list-file.
* lisp/progmodes/project.el (project-current): Add the report message.
* doc/emacs/maintaining.text: Add information about the new command to
the manual.
* lisp/progmodes/project.el (project-shell): Behave the same way as
'M-x project-eshell'.
* lisp/shell.el (shell): Behave the same way as 'M-x eshell'.
* etc/NEWS: Add news entry describing the change.
* lisp/tutorial.el: Use lexical-binding.
* etc/NEWS: Mention changes to 'while-no-input-ignore-events'.
* src/keyboard.c (kbd_buffer_store_buffered_event): Handle also
Qfile_notify and Qdbus_event as ignore_event. (Bug#47205)
* lisp/frame.el (set-frame-property--interactive): Internal function to
produce the interactive form of `set-frame-width' and
`set-frame-height'. Offer the current size as default. (Bug#9970)
* src/frame.c (Fset_frame_height): Modify to call
`set-frame-property--interactive'.
(Fset_frame_width): Modify to call `set-frame-property--interactive'.
* doc/lispref/frames.texi (Frame Size): Update the manuals.
* etc/NEWS: Advertise the change (bug#9970).
* lisp/tab-bar.el (tab-bar-format): Turn defvar into defcustom.
Add :options and force-mode-line-update in :set.
(tab-bar--format-tab): New function refactored from tab-bar-format-tabs.
(tab-bar-format-tabs): Move most of code to tab-bar--format-tab and call it.
(tab-bar-tab-group-format-function): New defcustom.
(tab-bar-tab-group-format-default): New function.
(tab-bar--format-tab-group, tab-bar-format-tabs-groups): New functions.
(tab-bar-format-align-right, tab-bar-format-global): Shorten id.
(tab-bar-change-tab-group): Add refs to tab-bar-format in docstring.
* doc/lispref/display.texi (Image Descriptors): Document it.
* lisp/image.el (image-transform-smoothing): New user option.
(create-image): Use it.
(image--default-smoothing): New function.
(tab-close-group): New alias.
(tab-bar-close-other-tabs): Rewrite to fix old bug where regardless of
the returned value from tab-bar-tab-prevent-close-functions,
only one tab was retained.
* lisp/tab-bar.el (tab-bar--tab, tab-bar--current-tab): Add tab group if any.
(tab-bar-change-tab-group): New command.
(display-buffer-in-new-tab): Handle tab-group alist entry.
(tab-group): New alias.
(tab-prefix-map): Bind "G" to 'tab-group'.