'json-parse-buffer' are typically much faster than their Lisp
counterparts from json.el.
-** The configure option --with-cairo is no longer experimental.
+** The configure option '--with-cairo' is no longer experimental.
This builds Emacs with Cairo drawing, and supports built-in printing
when Emacs is built with GTK+.
Options" in the Emacs manual for more information.
An Emacs started via a dump file can create a new dump file only if it
-was invoked with the -batch option.
+was invoked with the '-batch' option.
Although the portable dumper has been tested, it may have a bug on
unusual platforms. If you require traditional unexec dumping you can
** emacsclient
-*** emacsclient no longer passes --eval arguments to an alternate editor.
-Previously, --eval arguments were passed as file names to any
-alternate editor started by --alternate-editor/-a.
+*** emacsclient no longer passes '--eval' arguments to an alternate editor.
+Previously, '--eval' arguments were passed as file names to any
+alternate editor started by '--alternate-editor'.
+++
*** emacsclient now supports an 'EMACS_SOCKET_NAME' environment variable.
** New variable 'xref-file-name-display' controls the display of file
names in xref buffers.
-** New variable `file-size-function' controls how file sizes are displayed.
+** New variable 'file-size-function' controls how file sizes are displayed.
+++
** Emacs now interprets RGB triplets like HTML, SVG, and CSS do.
+++
** winner
-*** A new variable, `winner-boring-buffers-regexp', has been added.
+*** A new variable, 'winner-boring-buffers-regexp', has been added.
** table
-** `table-generate-source' and friends now support outputting wiki and
+** 'table-generate-source' and friends now support outputting wiki and
mediawiki format tables.
---
** telnet-mode
-*** Reverting a buffer in `telnet-mode' will restart a closed
-connection.
+*** Reverting a buffer in 'telnet-mode' will restart a closed connection.
** goto-addr
*** A way to more conveniently specify what URI address schemes that
should be ignored have been added via the
-`goto-address-uri-schemes-ignored' variable.
+'goto-address-uri-schemes-ignored' variable.
+++
** tex-mode
\emph, \footnote, and similar commands.
** byte compiler
-*** byte-compile-dynamic is now obsolete
+*** 'byte-compile-dynamic' is now obsolete.
This is because on the one hand it suffers from various misbehaviors in corner
cases that have plagued it for years, and on the other experiments indicated
that it doesn't bring any measurable benefit.
its functions.
---
-*** `cl-values-list' will now signal an error if its argument isn't a
-list.
+*** 'cl-values-list' will now signal an error if its argument isn't a list.
** doc-view.el
*** New commands 'doc-view-presentation' and 'doc-view-fit-window-to-page'.
*** New command 'dired-create-empty-file'.
+++
-*** New command and keystroke `dired-number-of-marked-files' bound to
-`* N'.
+*** New command and keystroke 'dired-number-of-marked-files' bound to
+'* N'.
*** The marking commands now report how many files were marked by the
command itself, not how many files are marked in total.
---
-*** A new face, `dired-socket', is used to highlight sockets, names
+*** A new face, 'dired-socket', is used to highlight sockets, named
pipes, block devices and character devices.
** Find-Dired
given revisions.
+++
-*** The new `d' command (`vc-dir-clean-files') in `vc-dir-mode'
+*** The new 'd' command ('vc-dir-clean-files') in 'vc-dir-mode'
buffers will delete the marked files (or if no files are marked, the
file under point). This command does not notify the VC backend, and
is mostly useful for unregistered files.
*** 'term-read-noecho' is now obsolete, use 'read-passwd' instead.
+++
-*** `serial-term' now takes an optional parameter to leave the
+*** 'serial-term' now takes an optional parameter to leave the
emulator in line mode.
** Flymake
are valid. This only affects packages with multiple signatures.
+++
-*** The meaning of `allow-unsigned' in `package-check-signature' has
+*** The meaning of 'allow-unsigned' in 'package-check-signature' has
changed slightly: If a usable OpenPGP configuration can't be found
(for instance, if gpg isn't installed), it now has the same meaning as
nil.
*** New function 'package-activate-all'.
---
-*** Imenu support has been added to `package-menu-mode'.
+*** Imenu support has been added to 'package-menu-mode'.
** Info
** Gnus
+++
-*** There's a new value for `gnus-article-date-headers',
-`combined-local-lapsed', which will show both the time (in the local
+*** There's a new value for 'gnus-article-date-headers',
+'combined-local-lapsed', which will show both the time (in the local
timezone) and the lapsed time.
---
and its value has been changed to Duck Duck Go.
---
-*** `erc-send-pre-hook' and `erc-send-this' have been obsoleted. The
-variable to use instead to alter text to be sent is now
-`erc-pre-send-functions'.
+*** 'erc-send-pre-hook' and 'erc-send-this' have been obsoleted.
+The variable to use instead to alter text to be sent is now
+'erc-pre-send-functions'.
** EUDC
*** 'shr-tag-ol' now respects the ordered list 'start' attribute.
---
-*** The following tags are now handled: <code>, <abbr>, and <acronym>.
+*** The following tags are now handled: '<code>', '<abbr>', and '<acronym>'.
** Htmlfontify
*** To always force smtpmail to send credentials over on the first
attempt when communicating with the SMTP server(s), the
-`smtpmail-servers-requiring-authorization' variable can be used.
+'smtpmail-servers-requiring-authorization' variable can be used.
** Footnote mode
'C-M-d'.
+++
-'M-s h l' invokes highlight-lines-matching-regexp using the search
+'M-s h l' invokes 'highlight-lines-matching-regexp' using the search
string to highlight lines matching the search string. This is similar
-to the existing binding 'M-s h r' (highlight-regexp) that highlights
+to the existing binding 'M-s h r' ('highlight-regexp') that highlights
JUST the search string.
+++
The table used to check for equivalence of characters is now built
using the complete chain of unicode decompositions of a character,
rather than stopping after one level, such that searching for
-e.g. GREEK SMALL LETTER IOTA will now also find GREEK SMALL LETTER
-IOTA WITH OXIA.
+e.g. "GREEK SMALL LETTER IOTA" will now also find "GREEK SMALL LETTER
+IOTA WITH OXIA".
+++
*** New char-folding options: 'char-fold-include' lets you add ad hoc
buffers to be truncated to that many characters.
---
-*** The default /quit and /part reasons are now configurable.
+*** The default '/quit' and '/part' reasons are now configurable.
Two new user options are provided for this:
'rcirc-default-part-reason' and 'rcirc-default-quit-reason'.
1. GnuPG's TOFU statistics are updated for the specific user id
(email) only. See gpg(1) man page about "--sender".
- 2. GnuPG's --auto-key-retrieve functionality can use WKD (web key
+ 2. GnuPG's '--auto-key-retrieve' functionality can use WKD (web key
directory) method for finding the signer's key. You need GnuPG
2.2.17 to fully benefit from this feature. See gpg(1) man page for
- "--auto-key-retrieve".
+ '--auto-key-retrieve'.
---
** EasyPG
been removed. Use 'encode-coding-string', 'decode-coding-string', and
'select-safe-coding-system' instead.
-*** 'epg-context' structure supports now 'sender' slot
+*** 'epg-context' structure supports now 'sender' slot.
The value of the new 'sender' slot (if a string) is used to set gpg's
---sender option. This feature is used by
+'--sender' option. This feature is used by
'mml-secure-openpgp-sign-with-sender'. See gpg(1) manual page about
-"--sender" for more information.
+'--sender' for more information.
---
** Rmail
+++
*** Two new commands and keystrokes have been added to the tabulated
-list mode: `w' (which widens the current column) and `c' which makes
+list mode: 'w' (which widens the current column) and 'c' which makes
the current column contract.
** Text mode
buffer periodically when 'auto-revert-avoid-polling' is non-nil.
---
-*** `global-auto-revert-ignore-buffer' can now also be a predicate
+*** 'global-auto-revert-ignore-buffer' can now also be a predicate
function that can be used for more fine-grained control of which
buffers to auto-revert.
+++
*** New customizable variable 'auth-source-pass-filename'.
Allows setting the path to the password-store, defaults to
-~/.password-store.
+"~/.password-store".
+++
*** New customizable variable 'auth-source-pass-port-separator'.
Likewise for 'magic-fallback-mode-alist'.
+++
-** add-hook does not always add to the front or the end any more.
-The replacement of `append` with `depth` implies that the function is not
-always added to the very front (when append/depth is nil) or the very end (when
-append/depth is t) any more because other functions on the hook may have
-specified higher/lower depths.
+** 'add-hook' does not always add to the front or the end any more.
+The replacement of 'append' with 'depth' implies that the function is
+not always added to the very front (when append/depth is nil) or the
+very end (when append/depth is t) any more because other functions on
+the hook may have specified higher/lower depths. This makes it
+possible to control the ordering of functions more precisely, as was
+already possible in 'add-function' and 'advice-add'.
+
** In 'compilation-error-regexp-alist' the old undocumented feature
where 'line' could be a function of 2 arguments has been dropped.
always setting "$HOME" to an absolute file name, so that its meaning is
independent of where Emacs was started.
-** file-name-absolute-p no longer considers "~foo" to be an absolute
+** 'file-name-absolute-p' no longer considers "~foo" to be an absolute
file name if there is no user named "foo".
** The FILENAME argument to 'file-name-base' is now mandatory and no
\f
* Lisp Changes in Emacs 27.1
-** defcustom now takes a :local keyword that can be either t or
-`permanent', which mean that the variable should be automatically
-buffer-local. `permanent' also sets the variable's
-`permanent-local' property.
+** 'defcustom' now takes a ':local' keyword that can be either t or
+'permanent', which mean that the variable should be automatically
+buffer-local. 'permanent' also sets the variable's 'permanent-local'
+property.
+++
-** The new macro `with-suppressed-warnings' can be used to suppress
+** The new macro 'with-suppressed-warnings' can be used to suppress
specific byte-compile warnings.
+++
-** The new macro `ignore-error' is like `ignore-errors', but takes a
+** The new macro 'ignore-error' is like 'ignore-errors', but takes a
specific error condition, and will only ignore that condition. (This
can also be a list of conditions.)
---
-** The new function `byte-compile-info-message' can be used to output
+** The new function 'byte-compile-info-message' can be used to output
informational messages that look pleasing during the Emacs build.
-+++
-** The 'append' arg of 'add-hook' is generalized to a finer notion of 'depth'
-This makes it possible to control the ordering of functions more precisely,
-as was already possible in 'add-function' and `advice-add`.
-
---
** New 'help-fns-describe-variable-functions' hook.
Makes it possible to add metadata information to 'describe-variable'.
the new variable 'custom-variable-history'.
---
-** The function 'string-to-unibyte' and `string-to-multibyte' are no
+** The functions 'string-to-unibyte' and 'string-to-multibyte' are no
longer declared obsolete. We have found that there are legitimate use
cases for these functions, where there's no better alternative. We
believe that the incorrect uses of these functions all but disappeared
-by now, so we are un-obsoleting it.
+by now, so we are un-obsoleting them.
+++
** New function 'group-name' returns a group name corresponding to GID.
argument, circumstances allowing.
+++
-** `format-spec' has been expanded with several modifiers to allow
+** 'format-spec' has been expanded with several modifiers to allow
greater flexibility when customizing variables. The modifiers include
zero-padding, upper- and lower-casing, and limiting the length of the
interpolated strings. The function has now also been documented in
the Emacs Lisp manual.
+++
-** `directory-files-recursively' can now take an optional PREDICATE
+** 'directory-files-recursively' can now take an optional PREDICATE
parameter to control descending into subdirectories, and a
FOLLOW-SYMLINK parameter to say that symbolic links that point to
other directories should be followed.
projects / emacs.git / commitdiff