@findex dired-do-open
@kindex E @r{(Dired)}
@item E
-``Open'' the specified files using an external program. The program is
-selected according to the system conventions, as determined by the
-variable @code{shell-command-guess-open}.
+``Open'' the specified files using an external program (@code{dired-do-open}).
+The program is selected according to the system conventions, as
+determined by the variable @code{shell-command-guess-open}.
@findex dired-do-rename
@kindex R @r{(Dired)}
@vindex completion-auto-wrap
When the window showing the completions is selected, either because
you customized @code{completion-auto-select} or because you switched to
-it by typing @kbd{C-x o}, the @kbd{@key{UP}} and @kbd{@key{DOWN}} arrow
-keys move by lines between completion candidates; with a prefix numeric
+it by typing @kbd{C-x o}, the @kbd{@key{UP}} (@code{previous-line-completion})
+and @kbd{@key{DOWN}} (@code{next-line-completion}) arrow keys
+move by lines between completion candidates; with a prefix numeric
argument, they move that many lines. If @code{completion-auto-wrap} is
non-@code{nil}, these commands will wrap at bottom and top of the
candidate list.
@vindex Man-prefer-synchronous-call
By default, @kbd{M-x man} calls the @code{man} program
asynchronously. You can force the invocation to be synchronous by
-customizing @code{Man-prefer-synchronous-calls} to a non-@code{nil}
+customizing @code{Man-prefer-synchronous-call} to a non-@code{nil}
value.
@vindex Man-support-remote-systems
@item :category
The value should be a symbol describing what kind of text the
completion function is trying to complete. If the symbol matches one
-of the keys in @code{completion-category-overrides}, the usual
-completion behavior is overridden. @xref{Completion Variables}.
+of the keys in @code{completion-category-overrides} described above,
+the usual completion behavior is overridden.
@item :annotation-function
The value should be a function to add annotations in the completions
@findex treesit-forward-sexp
@findex forward-sexp@r{, and tree-sitter}
@findex backward-sexp@r{, and tree-sitter}
+@vindex forward-sexp-function
If Emacs is compiled with tree-sitter, it can use the tree-sitter
parser information to move across syntax constructs. Since what
exactly is considered a sexp varies between languages, a major mode
should set @code{treesit-thing-settings} to determine that. Then
-the mode can get navigation-by-sexp functionality for free, by using
+@code{forward-sexp-function} will be set to @code{treesit-forward-sexp},
+and the mode can get navigation-by-sexp functionality for free, by using
@code{forward-sexp} and @code{backward-sexp}(@pxref{Expressions,
,, emacs, The extensible self-documenting text editor}).
@item
New major modes based on the
@uref{https://tree-sitter.github.io/tree-sitter/, tree-sitter library}
-library for editing Elixir, HTML, Lua, HEEx, and PHP.
+library for editing Elixir, HEEx, HTML, Lua, and PHP.
@item
Support for the EditorConfig standard has been added, an editor-neutral
It can be used to add, remove and reorder functions that change the
appearance of every tab on the tab bar.
----
-*** New user option 'tab-line-tabs-buffer-group-function'.
-It provides two choices to group tab buffers by major mode and by
-project name.
-
---
*** New hook 'tab-bar-tab-post-select-functions'.
'next-buffer'.
---
-*** Default list of tabs is changed to support a fixed order.
+*** Default list of tab-line tabs is changed to support a fixed order.
This means that 'tab-line-tabs-fixed-window-buffers', the new default
tabs function, is like the previous 'tab-line-tabs-window-buffers' where
both of them show only buffers that were previously displayed in the
to manually reorder the buffers on the tab line.
---
-*** Buffers on group tabs are now sorted alphabetically.
+*** New user option 'tab-line-tabs-buffer-group-function'.
+It provides two choices to group tab buffers by major mode and by
+project name.
+
+---
+*** Buffers on tab-line group tabs are now sorted alphabetically.
This will keep the fixed order of tabs, even after switching between
them.
and 'project-find-dir' display previous history entries relative to
the current project.
---
+---
*** New user option 'project-key-prompt-style'.
The look of the key prompt in the project switcher has been changed
slightly. To get the previous one, set this option to 'brackets'.
Now, calling '(thing-at-point 'url)' when point is on a bug reference
will return the URL for that bug.
-** Miscellaneous
-
-+++
-*** New user option 'rcirc-log-time-format'.
-This allows for rcirc logs to use a custom timestamp format, which the
-chat buffers use by default.
+** Buffer-menu
---
*** New user option 'Buffer-menu-group-by'.
Previously, such buffers were never shown. This command is bound to 'I'
in Buffer Menu mode.
+** Miscellaneous
+
++++
+*** New user option 'rcirc-log-time-format'.
+This allows for rcirc logs to use a custom timestamp format, which the
+chat buffers use by default.
+
---
*** 'ffap-lax-url' now defaults to nil.
Previously, it was set to t, but this broke remote file name detection.
The old signature, '(sort SEQ PREDICATE)', can still be used and sorts
its input in-place as before.
-** New API for 'derived-mode-p' and control of the graph of major modes.
+** New API for 'derived-mode-p' and control of the graph of major modes
+++
*** 'derived-mode-p' now takes the list of modes as a single argument.