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master aa26d3e 1/3: Merge from origin/emacs-28
|
From: |
Glenn Morris |
|
Subject: |
master aa26d3e 1/3: Merge from origin/emacs-28 |
|
Date: |
Thu, 7 Oct 2021 11:37:51 -0400 (EDT) |
branch: master
commit aa26d3e2cc4ed1a49f41f1cb4f8cc6d9c2c27adb
Merge: b1b2f49 160e62a
Author: Glenn Morris <rgm@gnu.org>
Commit: Glenn Morris <rgm@gnu.org>
Merge from origin/emacs-28
160e62a23c Improve documentation and customization of 'blink-matching...
1100fffcd3 * lisp/erc/erc.el: Don't error if 'erc-loaddefs' does not ...
8865fc02ab Add 'erc-bug' command for reporting ERC bugs
5afa07919e Add 'erc-version' and use it to display ERC version consis...
bc941846d9 Small tweaks and improvements to etc/ERC-NEWS
30b5e0a514 Add NEWS items for changes to ERC since 5.3 to etc/ERC-NEWS
f7e6c199bf Clone the frame window configuration in 'clone-frame'
5f626488d8 * lisp/tool-bar.el (tool-bar-position): Doc fix.
# Conflicts:
# etc/NEWS
---
doc/emacs/frames.texi | 4 +-
etc/ERC-NEWS | 181 +++++++++++++++++++++++++++++++++++++++++++++++++-
etc/NEWS.28 | 76 ++-------------------
lisp/erc/erc.el | 35 +++++++---
lisp/frame.el | 31 ++++-----
lisp/simple.el | 28 +++++---
lisp/tab-bar.el | 6 +-
lisp/tool-bar.el | 2 +
8 files changed, 252 insertions(+), 111 deletions(-)
diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index 06e2642..8cf7568 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -458,8 +458,8 @@ Create a new frame using the default frame parameters
@item C-x 5 c
@kindex C-x 5 c
@findex clone-frame
-Create a new frame using the parameters of the current frame
-(@code{clone-frame}).
+Create a new frame using the window configuration and frame parameters
+of the current frame (@code{clone-frame}).
@item C-x 5 b @var{bufname} @key{RET}
Select buffer @var{bufname} in another frame. This runs
diff --git a/etc/ERC-NEWS b/etc/ERC-NEWS
index 8c9306b..5a2f30a 100644
--- a/etc/ERC-NEWS
+++ b/etc/ERC-NEWS
@@ -3,8 +3,166 @@ ERC NEWS
-*- outline -*-
Copyright (C) 2006-2021 Free Software Foundation, Inc.
See the end of the file for license conditions.
-* For changes after ERC 5.3, see the main Emacs NEWS file
+Please send ERC bug reports to 'bug-gnu-emacs@gnu.org',
+and Cc the 'emacs-erc@gnu.org' mailing list as well.
+If possible, use 'M-x erc-bug' or 'M-x report-emacs-bug'.
+This file is about changes in ERC, the powerful, modular, and
+extensible IRC (Internet Relay Chat) client distributed with
+GNU Emacs since Emacs version 22.1.
+
+
+* Changes in ERC 5.4
+
+** Starting with Emacs 28.1 and ERC 5.4, ERC NEWS are added here again.
+After ERC 5.3, since November 2012, ERC's NEWS items were added in the
+main Emacs NEWS file, and users were referred to there. Now, starting
+with Emacs 28.1 and ERC 5.4, which mark ERC's release to GNU ELPA, ERC
+NEWS have been moved to this file again, so that we can include a NEWS
+file consisting only of ERC changes in ERC's package on GNU ELPA.
+
+The NEWS entries for ERC changes in Emacs 28.1 have been moved from
+the main Emacs NEWS file to here. For ERC NEWS entries corresponding
+to Emacs versions before 28, to avoid modifying the NEWS file for all
+of those releases, the ERC NEWS entries have only been copied below,
+and the NEWS.* files were left intact.
+
+*** New option 'erc-rename-buffers'.
+
+*** New faces 'erc-my-nick-prefix-face' and 'erc-nick-prefix-face'.
+
+*** 'erc-format-@nick' displays all user modes instead of only op and voice.
+
+*** The display of irc commands in the current buffer has been disabled.
+
+*** 'erc-version' now follows the Emacs version.
+
+*** ERC can now hide message types by network or channel.
+'erc-hide-list' will hide all messages of the specified type, while
+'erc-network-hide-list' and 'erc-channel-hide-list' will only hide the
+specified message types for the respective specified targets.
+
+*** Reconnection is now asynchronous.
+
+*** Nick completion is now case-insensitive again after inadvertently
+being made case-sensitive in Emacs 24.2.
+
+*** New variable 'erc-default-port-tls' used to connect to TLS IRC
+servers.
+
+*** New hook 'erc-insert-done-hook'.
+This hook is called after strings have been inserted into the buffer,
+and is free to alter point and window configurations, as it's not
+called from inside a 'save-excursion', as opposed to 'erc-insert-post-hook'.
+
+*** 'erc-button-google-url' has been renamed to 'erc-button-search-url'
+and its value has been changed to Duck Duck Go.
+
+*** 'erc-send-pre-hook' and 'erc-send-this' have been obsoleted.
+The user option to use instead to alter text to be sent is now
+'erc-pre-send-functions'.
+
+*** Improve matching/highlighting of nicknames.
+Open and close parenthesis and apostrophe are not considered valid
+nick characters anymore, matching the given grammar in RFC 2812
+section 2.3.1. This enables correct matching and highlighting of
+nicks when they are surrounded by parentheses, like "(nick)", and when
+adjacent to an apostrophe, like "nick's".
+
+*** Set 'erc-button-url-regexp' to 'browse-url-button-regexp'
+which better handles surrounding pair of parentheses.
+
+*** New function 'erc-switch-to-buffer-other-window'
+which is like 'erc-switch-to-buffer', but opens the buffer in another
+window.
+
+*** New function 'erc-track-switch-buffer-other-window'
+which is like 'erc-track-switch-buffer', but opens the buffer in
+another window.
+
+*** NickServ passwords can now be retrieved from auth-source.
+The 'erc-use-auth-source-for-nickserv-password' user option enables
+querying auth-source for NickServ passwords. To enable this, add the
+following to your init file:
+
+ (setq erc-use-auth-source-for-nickserv-password t)
+
+*** NickServ identification now prompts for password last.
+When 'erc-prompt-for-nickserv-password' is non-nil, the user used to
+be unconditionally prompted interactively for a password, regardless
+of the value of 'erc-nickserv-passwords', which was effectively
+ignored (same for the new
+'erc-use-auth-source-for-nickserv-password'). This limitation is now
+lifted, and the user is interactively prompted last, after the other
+identification methods have run.
+
+*** The '/ignore' command will now ask for a timeout to stop ignoring the user.
+Allowed inputs are seconds or ISO8601-like periods like "1h" or "4h30m".
+
+*** ERC now recognizes 'C-]' for italic text.
+Italic text is displayed in the new 'erc-italic-face'.
+
+*** erc-match.el now supports 'message' highlight type (not including the
nick).
+The 'erc-current-nick-highlight-type', 'erc-pal-highlight-type',
+'erc-fool-highlight-type', 'erc-keyword-highlight-type', and
+'erc-dangerous-host-highlight-type' user options now support a
+'message' type for highlighting the entire message but not the
+sender's nick.
+
+*** erc-status-sidebar.el is now part of ERC.
+The 'erc-status-sidebar' package which provides a HexChat-like
+activity overview sidebar for joined IRC channels is now part of ERC.
+
+*** erc-tls now supports specifying a TLS client certificate.
+The 'erc-tls' function has been updated to allow specifying a TLS
+client certificate for authentication, as an alternative to NickServ
+password-based authentication. This is referred to as "CertFP" (short
+for Certificate Fingerprint) by several IRC networks. See the Info
+node "(erc) Connecting" in the ERC manual for more details and
+examples on how to specify and use TLS client certificates with
+'erc-tls'.
+
+*** Update IRC-related references to point to Libera.Chat.
+The Free Software Foundation and the GNU Project have moved their
+official IRC channels from the Freenode network to Libera.Chat.
+For the original announcement and the follow-up update, including
+more details, see:
+
+https://lists.gnu.org/archive/html/info-gnu/2021-06/msg00005.html
+https://lists.gnu.org/archive/html/info-gnu/2021-06/msg00007.html
+
+Given the relocation of GNU and FSF's official IRC channels, as well
+as #emacs and various other Emacs-themed channels (see the link below)
+to Libera.Chat, IRC-related references in the Emacs repository have
+now been updated to point to Libera.Chat.
+
+https://lists.gnu.org/archive/html/info-gnu-emacs/2021-06/msg00000.html
+
+*** Add 'erc-track-select-mode-line-face' (obsoletes 'erc-track-find-face').
+The 'erc-track-find-face' function of the erc-track module has been
+declared obsolete and rewritten as 'erc-track-select-mode-line-face',
+with different expected arguments (the current and old faces are now
+separated) and clearer documentation.
+
+*** Add '/opme' and '/deopme' convenience commands.
+The new '/opme' convenience command asks ChanServ to set the operator
+status for the current nick in the current channel, and '/deopme'
+unsets it.
+
+*** Add '/wii' convenience command for whois with idle time.
+The new '/wii' convenience command calls the '/whois' command with the
+given nick as both arguments, which is useful for displaying the whois
+information for the nick along with idle time, even if the nick is on
+a different server than the one the current user is connected to.
+Using the given nick itself instead of the server it is connected to
+is not standardized, but is widely supported across IRC networks.
+
+*** Add 'erc-bug' command for reporting ERC bugs.
+The new 'erc-bug' command prompts for a subject, and passes it on to
+'report-emacs-bug' along with the current ERC version, and adds the
+ERC mailing list in Cc.
+
+
* Changes in ERC 5.3
** New function `erc-tls' is to be used for connecting to a server via TLS.
@@ -249,6 +407,7 @@ message types are "333" and "353", respectively.
**** Turn this into the "xdcc" module for ERC, so that it can be more
easily enabled.
+
* Changes in ERC 5.2
** M-x erc RET now starts ERC.
@@ -528,6 +687,7 @@ not.
**** New function: `erc-toggle-timestamps'.
Toggles display of timestamps.
+
* Changes in ERC 5.1.4
** Make find-function and find-variable work in Emacs 22 for
@@ -551,6 +711,7 @@ is deactivated.
**** Fix some errors that occur when exiting Emacs without first
quitting open IRC servers.
+
* Changes in ERC 5.1.3
** Fix use of /quote command with no initial whitespace.
@@ -665,6 +826,7 @@ modules.
**** Don't complete the user's current nickname.
+
* Changes in ERC 5.1.2
** Fix compiler errors in erc-autojoin.el and erc-dcc.el.
@@ -701,6 +863,7 @@ A side effect of using this new method is that there will
only be one
space before a right timestamp in any saved logs. If this is
unacceptable, set `erc-timestamp-use-align-to' to nil.
+
* Changes in ERC 5.1.1
** Fix a requirement on cl.el.
@@ -734,6 +897,7 @@ new `erc-timestamp-right-align-by-pixel' option to non-nil.
**** Since most of these changes are now merged into Emacs22, detect
whether we need these changes and install them only if necessary.
+
* Changes in ERC 5.1
** Improve XEmacs compatibility.
@@ -940,10 +1104,12 @@ the right margin.
**** Helps ERC work correctly in viper-mode.
+
* Changes in ERC 5.0.4
** Fix a problem with undo in channels.
+
* Changes in ERC 5.0.3
** Fix typo in the `ctcp-request-to' entry of the English catalog.
@@ -985,6 +1151,7 @@ indicator. Previously, there was an additional
unnecessary space.
**** Fix an error that occurred when unchecked buffers existed when
invoking /QUIT.
+
* Changes in ERC 5.0.2
** If a channel key is required for a certain channel, ERC will prompt
@@ -1018,6 +1185,7 @@ choice anymore.
**** You can now save logs and truncate buffers from the menu-bar.
+
* Changes in ERC 5.0.1
** Narrowing in ERC buffers no longer causes formatting errors.
@@ -1032,6 +1200,7 @@ choice anymore.
This means that `erc-track-priority-faces-only', `erc-track-exclude',
and `erc-track-exclude-types' now work with server buffers.
+
* Changes in ERC 5.0
** Channel members are now stored as a hash-table.
@@ -1276,6 +1445,7 @@ in XEmacs.
mode-line where modified channels are shown (only works in GNU
Emacs versions above 21.3).
+
* Changes in ERC 4.0
** The module system has again changed a lot. You can now customize
@@ -1299,6 +1469,7 @@ in XEmacs.
openprojects to freenode. You may need to update your configuration
for a successful automatic nickserv identification.
+
* Changes in ERC 3.0.cvs.20030119
** New module erc-dcc:
@@ -1330,6 +1501,7 @@ Same applies to timestamps. You no longer need to
(require
the rest should be automatic.
+----------------------------------------------------------------------
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
@@ -1344,3 +1516,10 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
+
+
+Local variables:
+coding: utf-8
+mode: outline
+paragraph-separate: "[ ]*$"
+end:
diff --git a/etc/NEWS.28 b/etc/NEWS.28
index 8808413..8f49d67 100644
--- a/etc/NEWS.28
+++ b/etc/NEWS.28
@@ -352,8 +352,8 @@ of the next command to be displayed in a new frame.
+++
*** New command 'clone-frame' (bound to 'C-x 5 c').
-This is like 'C-x 5 2', but uses the frame parameters of the current
-frame instead of 'default-frame-alist'.
+This is like 'C-x 5 2', but uses the window configuration and frame
+parameters of the current frame instead of 'default-frame-alist'.
---
*** Default values of 'frame-title-format' and 'icon-title-format' have
changed.
@@ -2852,76 +2852,8 @@ non-nil.
** ERC
----
-*** NickServ passwords can now be retrieved from auth-source.
-The 'erc-use-auth-source-for-nickserv-password' user option enables
-querying auth-source for NickServ passwords. To enable this, add the
-following to your init file:
-
- (setq erc-use-auth-source-for-nickserv-password t)
-
----
-*** NickServ identification now prompts for password last.
-When 'erc-prompt-for-nickserv-password' is non-nil, the user used to
-be unconditionally prompted interactively for a password, regardless
-of the value of 'erc-nickserv-passwords', which was effectively
-ignored (same for the new
-'erc-use-auth-source-for-nickserv-password'). This limitation is now
-lifted, and the user is interactively prompted last, after the other
-identification methods have run.
-
----
-*** The '/ignore' command will now ask for a timeout to stop ignoring the user.
-Allowed inputs are seconds or ISO8601-like periods like "1h" or "4h30m".
-
----
-*** ERC now recognizes 'C-]' for italic text.
-Italic text is displayed in the new 'erc-italic-face'.
-
----
-*** erc-match.el now supports 'message' highlight type (not including the
nick).
-The 'erc-current-nick-highlight-type', 'erc-pal-highlight-type',
-'erc-fool-highlight-type', 'erc-keyword-highlight-type', and
-'erc-dangerous-host-highlight-type' user options now support a
-'message' type for highlighting the entire message but not the
-sender's nick.
-
----
-*** erc-status-sidebar.el is now part of ERC.
-The 'erc-status-sidebar' package which provides a HexChat-like
-activity overview sidebar for joined IRC channels is now part of ERC.
-
-+++
-*** erc-tls now supports specifying a TLS client certificate.
-The 'erc-tls' function has been updated to allow specifying a TLS
-client certificate for authentication, as an alternative to NickServ
-password-based authentication. This is referred to as "CertFP" (short
-for Certificate Fingerprint) by several IRC networks. See the Info
-node "(erc) Connecting" in the ERC manual for more details and
-examples on how to specify and use TLS client certificates with
-'erc-tls'.
-
----
-*** Add 'erc-track-select-mode-line-face' (obsoletes 'erc-track-find-face').
-The 'erc-track-find-face' function of the erc-track module has been
-declared obsolete and rewritten as 'erc-track-select-mode-line-face',
-with different expected arguments (the current and old faces are now
-separated) and clearer documentation.
-
----
-*** Add '/opme' and '/deopme' convenience commands.
-The new '/opme' convenience command asks ChanServ to set the operator
-status for the current nick in the current channel, and '/deopme'
-unsets it.
-
----
-*** Add '/wii' convenience command for whois with idle time.
-The new '/wii' convenience command calls the '/whois' command with the
-given nick as both arguments, which is useful for displaying the whois
-information for the nick along with idle time, even if the nick is on
-a different server than the one the current user is connected to.
-Using the given nick itself instead of the server it is connected to
-is not standardized, but is widely supported across IRC networks.
+*** Starting with Emacs 28.1 and ERC 5.4, see the ERC-NEWS file for
+user-visible changes in ERC.
** xwidget-webkit mode
diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index 308812f..3462aa4 100644
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -58,7 +58,7 @@
;;; Code:
-(load "erc-loaddefs" nil t)
+(load "erc-loaddefs" 'noerror 'nomessage)
(require 'cl-lib)
(require 'format-spec)
@@ -69,6 +69,9 @@
(require 'iso8601)
(eval-when-compile (require 'subr-x))
+(defconst erc-version "5.3"
+ "This version of ERC.")
+
(defvar erc-official-location
"https://www.gnu.org/software/emacs/erc.html (mailing list:
emacs-erc@gnu.org)"
"Location of the ERC client on the Internet.")
@@ -3613,7 +3616,7 @@ If USER is omitted, close the current query buffer if one
exists
(defun erc-quit/part-reason-default ()
"Default quit/part message."
- (format "\C-bERC\C-b (IRC client for Emacs %s)" emacs-version))
+ (erc-version nil 'bold-erc))
(defun erc-quit-reason-normal (&optional s)
@@ -3766,7 +3769,8 @@ the message given by REASON."
(defun erc-cmd-SV ()
"Say the current ERC and Emacs version into channel."
- (erc-send-message (format "I'm using ERC with GNU Emacs %s (%s%s)%s."
+ (erc-send-message (format "I'm using ERC %s with GNU Emacs %s (%s%s)%s."
+ erc-version
emacs-version
system-configuration
(concat
@@ -4845,8 +4849,8 @@ See also `erc-display-message'."
(unless erc-disable-ctcp-replies
(erc-send-ctcp-notice
nick (format
- "VERSION \C-bERC\C-b - an IRC client for Emacs %s (\C-b%s\C-b)"
- emacs-version
+ "VERSION %s (\C-b%s\C-b)"
+ (erc-version nil 'bold-erc)
erc-official-location)))
nil)
@@ -6616,6 +6620,15 @@ If BUFFER is nil, update the mode line in all ERC
buffers."
;; Miscellaneous
+(defun erc-bug (subject)
+ "Send a bug report to the Emacs bug tracker and ERC mailing list."
+ (interactive "sBug Subject: ")
+ (report-emacs-bug
+ (format "ERC %s: %s" erc-version subject))
+ (save-excursion
+ (goto-char (point-min))
+ (insert "X-Debbugs-CC: emacs-erc@gnu.org\n")))
+
(defun erc-port-to-string (p)
"Convert port P to a string.
P may be an integer or a service name."
@@ -6632,12 +6645,18 @@ P may be an integer or a service name."
s
n))))
-(defun erc-version (&optional here)
+(defun erc-version (&optional here bold-erc)
"Show the version number of ERC in the minibuffer.
-If optional argument HERE is non-nil, insert version number at point."
+If optional argument HERE is non-nil, insert version number at point.
+If optional argument BOLD-ERC is non-nil, display \"ERC\" as bold."
(interactive "P")
(let ((version-string
- (format "ERC (IRC client for Emacs %s)" emacs-version)))
+ (format "%s %s (IRC client for GNU Emacs %s)"
+ (if bold-erc
+ "\C-bERC\C-b"
+ "ERC")
+ erc-version
+ emacs-version)))
(if here
(insert version-string)
(if (called-interactively-p 'interactive)
diff --git a/lisp/frame.el b/lisp/frame.el
index e97b990..2c73737 100644
--- a/lisp/frame.el
+++ b/lisp/frame.el
@@ -786,25 +786,26 @@ When called from Lisp, returns the new frame."
(make-frame)
(select-frame (make-frame))))
-(defun clone-frame (&optional frame use-default-parameters)
- "Make a new frame with the same parameters as FRAME.
-With a prefix arg (USE-DEFAULT-PARAMETERS), use
-`default-frame-alist' instead.
+(defun clone-frame (&optional frame no-windows)
+ "Make a new frame with the same parameters and windows as FRAME.
+With a prefix arg NO-WINDOWS, don't clone the window configuration.
FRAME defaults to the selected frame. The frame is created on the
same terminal as FRAME. If the terminal is a text-only terminal then
also select the new frame."
- (interactive "i\nP")
- (if use-default-parameters
- (make-frame-command)
- (let* ((default-frame-alist (seq-filter
- (lambda (elem)
- (not (eq (car elem) 'name)))
- (frame-parameters frame)))
- (new-frame (make-frame)))
- (unless (display-graphic-p)
- (select-frame new-frame))
- new-frame)))
+ (interactive (list (selected-frame) current-prefix-arg))
+ (let* ((frame (or frame (selected-frame)))
+ (windows (unless no-windows
+ (window-state-get (frame-root-window frame))))
+ (default-frame-alist
+ (seq-remove (lambda (elem) (eq (car elem) 'name))
+ (frame-parameters frame)))
+ (new-frame (make-frame)))
+ (when windows
+ (window-state-put windows (frame-root-window new-frame) 'safe))
+ (unless (display-graphic-p)
+ (select-frame new-frame))
+ new-frame))
(defvar before-make-frame-hook nil
"Functions to run before `make-frame' creates a new frame.")
diff --git a/lisp/simple.el b/lisp/simple.el
index d7030c0..f7e62e0 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -8429,21 +8429,29 @@ presented."
(defcustom blink-matching-paren t
"Non-nil means show matching open-paren when close-paren is inserted.
-In addition, if the opening paren is not visible on screen, show
-its position in the echo area.
+If this is non-nil, then when you type a closing delimiter, such as a
+closing parenthesis or brace, Emacs briefly indicates the location
+of the matching opening delimiter.
The valid values are:
- nil Disable.
- non-nil Highlight the opening paren.
- `jump' Briefly move cursor to its position.
- `jump-offscreen' Briefly move cursor to its position,
- even if the opening paren is not on screen."
+ t Highlight the matching open-paren if it is visible
+ in the window, otherwise show the text with matching
+ open-paren in the echo area. This is the default.
+ `jump' If the matching open-paren is visible in the window,
+ briefly move cursor to its position; otherwise show
+ the text with matching open-paren in the echo area.
+ `jump-offscreen' Briefly move cursor to the matching open-paren
+ even if it is not visible in the window.
+ nil Don't show the matching open-paren.
+
+Any other non-nil value is handled the same as t."
+
:type '(choice
(const :tag "Disable" nil)
- (const :tag "Highlight" t)
- (const :tag "Move cursor" jump)
- (const :tag "Move cursor, even if off screen" jump-offscreen))
+ (const :tag "Highlight open-paren if visible" t)
+ (const :tag "Move cursor to open-paren if visible" jump)
+ (const :tag "Move cursor even if it's off screen" jump-offscreen))
:group 'paren-blinking)
(defcustom blink-matching-paren-on-screen t
diff --git a/lisp/tab-bar.el b/lisp/tab-bar.el
index 68afb53..b08b744 100644
--- a/lisp/tab-bar.el
+++ b/lisp/tab-bar.el
@@ -316,7 +316,7 @@ that closes only when clicked on the close button."
`(menu-item "Detach" (lambda () (interactive)
(tab-bar-detach-tab
,tab-number))
- :help "Detach the tab to new frame"))
+ :help "Move the tab to new frame"))
(define-key-after menu [close]
`(menu-item "Close" (lambda () (interactive)
(tab-bar-close-tab ,tab-number))
@@ -1208,8 +1208,8 @@ Interactively, ARG selects the ARGth different frame to
move to."
(force-mode-line-update t))))
(defun tab-bar-detach-tab (&optional from-number)
- "Detach tab number FROM-NUMBER to a new frame.
-Interactively or without argument, detach current tab."
+ "Move tab number FROM-NUMBER to a new frame.
+Interactively or without argument, move the current tab."
(interactive (list (1+ (tab-bar--current-tab-index))))
(let* ((tabs (funcall tab-bar-tabs-function))
(tab-index (1- (or from-number (1+ (tab-bar--current-tab-index
tabs)))))
diff --git a/lisp/tool-bar.el b/lisp/tool-bar.el
index 6da4011..f5d64ae 100644
--- a/lisp/tool-bar.el
+++ b/lisp/tool-bar.el
@@ -290,6 +290,8 @@ holds a keymap."
"Specify on which side the tool bar shall be.
Possible values are `top' (tool bar on top), `bottom' (tool bar at bottom),
`left' (tool bar on left) and `right' (tool bar on right).
+This option has effect only on graphical frames and only
+if Emacs was built with GTK.
Customize `tool-bar-mode' if you want to show or hide the tool bar."
:version "24.1"
:type '(choice (const top)