Performance results vary here. Some projects and search terms
don't see much of a change, but for some (including Emacs sources
checkout and case-insensitive search) the switch to ripgrep shows
~2-3x speed improvement. Another piece of anecdata here:
https://lists.gnu.org/archive/html/emacs-devel/2020-06/msg00802.html
* lisp/progmodes/xref.el (xref-search-program-alist)
(xref-search-program): New user options.
(xref-matches-in-files): Use them.
* doc/lispref/minibuf.texi (Completion Variables)
(Programmed Completion): Add affixation-function.
* lisp/help-fns.el (help--symbol-completion-table-affixation): New function.
(help--symbol-completion-table): Set affixation-function when
completions-detailed is non-nil.
* lisp/minibuffer.el (completion-metadata): Add affixation-function
to docstring.
(completions-annotations): Inherit from shadow with italic.
(completions-detailed): New defcustom.
(completion--insert-strings): Count string-width on all strings in
completion list. Insert prefix and suffix.
(completion-extra-properties): Add affixation-function to docstring.
(minibuffer-completion-help): Call affixation-function.
(minibuffer-default-prompt-format): Move down closer to its use.
https://lists.gnu.org/archive/html/emacs-devel/2020-11/msg00613.html
* lisp/face-remap.el
(text-scale-remap-header-line-face): New buffer local variable.
(text-scale-mode): Adjust header line if above variable is non-nil.
(face-remap--clear-remappings, face-remap--remap-face): New defuns.
* lisp/face-remap.el: Arrange to watch text-scale-mode-remapping.
(text-scale--refresh): New function.
* lisp/emacs-lisp/tabulated-list.el (tabulated-list-mode): Use
text-scale-remap-header-line. (Bug#41852)
* doc/emacs/killing.texi (Earlier Kills): Document standalone M-y.
* doc/emacs/search.texi (Isearch Yank): Explain standalone M-y.
* doc/lispref/text.texi (Yank Commands): Soften the wording of
yank after another yank.
* lisp/delsel.el: Put 'yank' property on yank-pop and yank-from-kill-ring.
* lisp/isearch.el (isearch-yank-pop): Use with-isearch-suspended
and read-from-kill-ring to read a string from the kill-ring and
append it to the search string.
* lisp/simple.el (yank-pop): Call yank-from-kill-ring and
read-from-kill-ring when last-command is not 'yank' instead of
signaling an error. Remove "*" from interactive spec. Update docstring.
(read-from-kill-ring): New function.
(yank-from-kill-ring): New command.
https://lists.gnu.org/archive/html/emacs-devel/2020-11/msg00801.html
* doc/misc/gnus.texi (Summary Maneuvering): Document it.
* lisp/gnus/gnus-sum.el (gnus-paging-select-next): New variable.
(gnus-summary-prev-page, gnus-summary-next-page): Use it.
* doc/lispref/help.texi (Help Functions): Mention help-form for
read-char-from-minibuffer and y-or-n-p.
* doc/lispref/minibuf.texi (Yes-or-No Queries): Mention help-form
for y-or-n-p.
(Multiple Queries): Mention help-form for read-char-from-minibuffer.
* lisp/files.el (find-file-noselect): Let-bind multi-line help text
to help-form for y-or-n-p.
* lisp/subr.el (read-char-choice): Mention help-form in docstring.
(read-char-from-minibuffer): Mention help-form in docstring.
(y-or-n-p-map): Remove handling of 'help'.
(y-or-n-p): Mention help-form in docstring.
When help-form is non-nil: add help-char to 'prompt', and bind
help-char to help-form-show in composed-keymap.
* doc/lispref/os.texi (System Environment): Add `path-separator'
function and `null-device' variable and function.
* etc/NEWS: Mention 'null-device' and 'path-separator'. Fix typos.
* lisp/files-x.el (path-separator, null-device): New defuns. (Bug#3736)
* lisp/net/tramp-adb.el
(tramp-adb-connection-local-default-shell-variables): Rename from
`tramp-adb-connection-local-default-profile'.
* lisp/net/tramp-integration.el
(tramp-connection-local-default-system-variables): New defvar.
Add it to connection-local profiles.
(tramp-connection-local-default-shell-variables): Rename from
`tramp-connection-local-default-profile'.
* lisp/progmodes/grep.el (grep-hello-file): New defun.
(grep-compute-defaults): Use `null-device' function for remote
case. Handle remote `hello-file'. Use `process-file-shell-command'.
(grep,grep-expand-keywords, lgrep): Use `null-device' function for
remote case.
This was problematic when minibuffer-follows-selected-frame was non-nil.
Introduce a new parameter DONT-SET-FRAME to set-window-configuration.
* doc/lispref/windows.texi (Window Configurations): Describe the new &optional
parameter to set-window-configuration.
* etc/NEWS (Lisp Changes): Note the new parameter to set-window-configuration.
* src/keyboard.c (read_char_help_form_unwind): Add a new Qnil argument to the
call of Fset_window_configuration.
* src/minibuf.c (read_minibuf): Cons up a Qt with the window configuration in
the argument to record_unwind_protect for the window configuration (twice).
* src/window.c (Fset_window_configuration): Add the new &optional parameter
and document it in the doc string. At the final do_switch_frame operation,
restore the original frame when DONT-SET-FRAME is non-nil.
(restore_window_configuration): Handle the new parameter when the supplied
argument is a cons.
* lisp/emacs-lisp/package.el (package-menu-filter-by-description):
(package-menu-filter-by-name-or-description): New commands to filter
the package menu. (Bug#44699)
(package-menu-mode-map): Bind the above new commands.
(package-menu-mode-menu): Add new commands to the menu.
* doc/emacs/package.texi (Package Menu): Document new commands.
* lisp/emacs-lisp/lisp.el (delete-pair-blink-delay): New defcustom.
(delete-pair): Use it. (Bug#4136)
* lisp/simple.el (copy-region-blink-delay): New defcustom.
(indicate-copied-region): Use it. (Bug#42865)
Thanks to Sean Whitton <spwhitton@spwhitton.name>.
(indicate-copied-region): Use 'query-replace-descr' not to show
newlines literally. Use "Copied text" instead of misleading
"Saved text" (bug#42865).
* lisp/calc/calc.el (calc-make-windows-dedicated): New defcustom.
(calc, calc-trail-display): Set Calc windows dedicated if
calc-make-windows-dedicated is non-nil. Patch by Boruch Baum
<boruch_baum@gmx.com>. (Bug#44108)
* etc/NEWS (Calc): Announce the new behavior.
* lisp/dired-aux.el (dired-query): Replace read-char-choice call
with read-char-from-minibuffer.
* lisp/subr.el (read-char-choice): Restore the previous version
that uses read-key.
(read-char-from-minibuffer): Bind help-char to help-form-show
when help-form is non-nil.
* doc/emacs/basic.texi (Inserting Text):
Mention transient input method "iso-transl".
* lisp/leim/quail/latin-ltx.el: Use same Keywords as in other quail files.
This is likely to be a more commonly wanted default value today.
* lisp/progmodes/gdb-mi.el (gdb-mi-decode-strings): Change default.
* doc/emacs/building.texi (Source Buffers): Update manual.
* etc/NEWS: Announce.
The variable now only controls whether characters are printed, not
the radix. Control chars are printed in human-readable syntax
only when special escapes such as ?\n are available. Spaces,
formatting and combining chars are excluded (bug#44155).
Done in collaboration with Juri Linkov.
* src/character.c (graphic_base_p):
* src/print.c (named_escape): New functions.
(print_object): Change semantics as described above.
(syms_of_print): Rename integer-output-format. Update doc string.
* doc/lispref/streams.texi (Output Variables):
* etc/NEWS:
* test/src/print-tests.el (print-integers-as-characters):
Rename and update according to new semantics. The test now passes.
* doc/emacs/mule.texi (Select Input Method): Rename
transient-input-method to activate-transient-input-method.
* doc/emacs/search.texi (Special Isearch):
Document isearch-transient-input-method.
* lisp/international/isearch-x.el (isearch-transient-input-method):
New function.
(isearch-process-search-multibyte-characters):
Call 'deactivate-transient-input-method' after 'read-string'.
* lisp/international/mule-cmds.el (mule-menu-keymap): Remove
duplicate menu item 'describe-input-method'. Add new menu item
'activate-transient-input-method'.
(default-transient-input-method): Rename from transient-input-method.
(current-transient-input-method)
(previous-transient-input-method): New buffer-local variables.
(deactivate-input-method): Don't add
current-transient-input-method to input-method-history.
(toggle-input-method): Call deactivate-transient-input-method
when current-transient-input-method is non-nil.
(activate-transient-input-method): Rename from transient-input-method.
(deactivate-transient-input-method): New function with body from
renamed function transient-input-method.
* lisp/isearch.el (isearch-menu-bar-map): Add new menu item
'isearch-transient-input-method'.
(isearch-mode-map): Bind 'C-x \' to isearch-transient-input-method.
(isearch-forward): Add isearch-transient-input-method to docstring.
(isearch-message-prefix): Use shorter string for narrowed buffer.
* doc/emacs/mini.texi (Basic Minibuffer): Add an entry for
minibuffer-follows-selected-frame.
* doc/lispref/minibuf.texi (Minibuffer Misc): Describe the new parameter to
minibufferp, LIVE.
* etc/NEWS: Add an entry describing the new minibuffer strategy.
* lisp/cus-start.el (minibuffer-prompt-properties--setter): Add an entry for
minibuffer-follows-selected-frame.
* lisp/minibuffer.el (minibuffer-message): Check for the current buffer being
an _active_ minibuffer rather than merely a minibuffer.
* src/frame.c (do_switch_frame): Call move_minibuffer_onto_frame.
* src/lisp.h (Top level): Add prototypes for move_minibuffer_onto_frame and
is_minibuffer.
* src/minibuf.c (minibuf_follows_frame): New function which ignores local and
let-bound values of minibuffer-follows-selected-frame.
(choose_minibuf_frame): Reformulate this function to reuse a minibuffer window
where possible, and to ensure no other frame has its minibuffer current, but
only when `minibuffer-follows-selected-frame'.
(move_minibuffer_onto_frame): New function.
(live_minibuffer_p): New function.
(Fminibufferp): Add a new &optional parameter LIVE. Reformulate, possibly
calling live_minibuffer_p.
(read_minibuf): move the incrementation of minibuf_level to before the call of
choose_minibuf_frame. Empty the miniwindows of frames without an active
minibuffer, rather than of all but the current frame.
(is_minibuffer): New function.
(read_minibuf_unwind): Note the miniwindow being restored and resize all other
miniwindows to zero size.
(minibuffer-follows-selected-frame): New configuration variable.
* src/window.c (candidate_window_p): In some scenarios, check the miniwindow
holds an active minibuffer.
* src/xdisp.c (get_window_cursor_type): Suppress the cursor for non-active
miniwindows, regardless of minibuf_level.
This library provides a fundamental reworking of the search
functionality previously found in nnir.el. It uses class-based search
engines to interface with external searching facilities, and a parsed
search query syntax that can search multiple engines.
* lisp/gnus/gnus-search.el: New library containing search
functionality for Gnus.
* doc/misc/gnus.texi: Document.
* lisp/gnus/gnus-group.el (gnus-group-make-search-group,
gnus-group-read-ephemeral-search-group): Remove references to nnir,
change meaning of prefix argument, change values of nnselect-function
and nnselect-args.
* lisp/gnus/nnselect.el: Replace references to nnir
(nnselect-request-article): Use gnus-search functions, and search
criteria.
(nnselect-request-thread, nnselect-search-thread): Use gnus-search
thread search.
(gnus-summary-make-search-group): Switch to use gnus-search function
and arguments.
* test/lisp/gnus/search-tests.el: Tests for new functionality.
* lisp/mwheel.el (mouse-wheel-scroll-amount-horizontal): New defcustom.
(mwheel-scroll): Use it.
* doc/emacs/frames.texi (Mouse Commands): Update doc about horizontal
scrolling step.
* doc/lispref/files.texi (Contents of Directories):
Fix description of directory-files, directory-empty-p and
directory-files-and-attributes.
* etc/NEWS: Fix entry for directory-files-and-attributes. Fix typos.
* lisp/dired.el (directory-empty-p): Move function from here ...
* lisp/files.el (directory-empty-p): ... to here.
* lisp/net/ange-ftp.el (ange-ftp-directory-files): Call `nreverse' later.
* lisp/net/tramp.el (tramp-handle-directory-files):
* lisp/net/tramp-adb.el
(tramp-adb-handle-directory-files-and-attributes): Do not call
`nreverse'.
* src/dired.c (Fdirectory_files)
(Fdirectory_files_and_attributes): Fix docstrings.
* test/src/dired-tests.el: Removed. Tests moved to
test/lisp/dired-tests.el.
* test/lisp/dired-tests.el (dired-test-bug27899): Tag it :unstable.
(dired-test-directory-files)
(dired-test-directory-files-and-attributes): New tests.
* doc/lispref/streams.texi (Output Variables): Add integer-output-format.
* src/print.c (print_object): In case of Lisp_Int, print integers
as characters when Vinteger_output_format is Qt, and in hex format
when Vinteger_output_format is 16.
(Vinteger_output_format): New variable.
* test/src/print-tests.el (print-integer-output-format): New test.
Fix bug#44070, which causes the minibuffer display to jump upon minor edit
(redisplay_window): Obey it.
* lisp/simple.el (end-of-buffer): Obey it.
* test/src/xdisp-tests.el (xdisp-tests--in-minibuffer): New macro,
extracted from `xdisp-tests--minibuffer-resizing`.
(xdisp-tests--minibuffer-resizing): Use it.
(xdisp-tests--minibuffer-scroll): New test.
* lisp/emacs-lisp/unsafep.el:
Add comment explaining the policy for which forms can be considered
'safe' in the sense of unsafep. Remove ones that didn't make the cut:
play-sound-file (large attack surface)
catch, throw (alter program flow, inject data)
replace-regexp-in-string (execute arbitary code)
error, signal (deceptive messages)
* test/lisp/emacs-lisp/unsafep-tests.el (unsafep-tests--unsafe):
Add test cases.
* etc/NEWS: Announce the change.
* doc/emacs/display.texi (Text Display): Document it.
* src/xdisp.c (get_next_display_element): Use blankp to test whether
to use the nobreak_space face (bug#44236).
