From e47650852b8aa4da6d0b0cea3b5421955795cc64 Mon Sep 17 00:00:00 2001
From: Blendoit <blendoit@gmail.com>
Date: Sat, 1 Aug 2020 15:24:03 -0700
Subject: Definitely /not/ including elpa/, that would be chaos.

---
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 elpa/tabbar-20180726.1735/tabbar-autoloads.el |  185 ---
 elpa/tabbar-20180726.1735/tabbar-pkg.el       |    9 -
 elpa/tabbar-20180726.1735/tabbar.el           | 1978 -------------------------
 elpa/tabbar-20180726.1735/up.png              |  Bin 175 -> 0 bytes
 5 files changed, 2172 deletions(-)
 delete mode 100644 elpa/tabbar-20180726.1735/down.png
 delete mode 100644 elpa/tabbar-20180726.1735/tabbar-autoloads.el
 delete mode 100644 elpa/tabbar-20180726.1735/tabbar-pkg.el
 delete mode 100644 elpa/tabbar-20180726.1735/tabbar.el
 delete mode 100644 elpa/tabbar-20180726.1735/up.png

(limited to 'elpa/tabbar-20180726.1735')

diff --git a/elpa/tabbar-20180726.1735/down.png b/elpa/tabbar-20180726.1735/down.png
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diff --git a/elpa/tabbar-20180726.1735/tabbar-autoloads.el b/elpa/tabbar-20180726.1735/tabbar-autoloads.el
deleted file mode 100644
index d56c842..0000000
--- a/elpa/tabbar-20180726.1735/tabbar-autoloads.el
+++ /dev/null
@@ -1,185 +0,0 @@
-;;; tabbar-autoloads.el --- automatically extracted autoloads
-;;
-;;; Code:
-
-(add-to-list 'load-path (directory-file-name
-                         (or (file-name-directory #$) (car load-path))))
-
-
-;;;### (autoloads nil "tabbar" "tabbar.el" (0 0 0 0))
-;;; Generated autoloads from tabbar.el
-
-(autoload 'tabbar-backward "tabbar" "\
-Select the previous available tab.
-Depend on the setting of the option `tabbar-cycle-scope'.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-forward "tabbar" "\
-Select the next available tab.
-Depend on the setting of the option `tabbar-cycle-scope'.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-backward-group "tabbar" "\
-Go to selected tab in the previous available group.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-forward-group "tabbar" "\
-Go to selected tab in the next available group.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-backward-tab "tabbar" "\
-Select the previous visible tab.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-forward-tab "tabbar" "\
-Select the next visible tab.
-
-\(fn)" t nil)
-
-(autoload 'tabbar-press-home "tabbar" "\
-Press the tab bar home button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click.
-
-\(fn &optional ARG)" t nil)
-
-(autoload 'tabbar-press-scroll-left "tabbar" "\
-Press the tab bar scroll-left button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click.
-
-\(fn &optional ARG)" t nil)
-
-(autoload 'tabbar-press-scroll-right "tabbar" "\
-Press the tab bar scroll-right button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click.
-
-\(fn &optional ARG)" t nil)
-
-(autoload 'tabbar-mwheel-backward "tabbar" "\
-Select the previous available tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-forward "tabbar" "\
-Select the next available tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-backward-group "tabbar" "\
-Go to selected tab in the previous available group.
-If there is only one group, select the previous visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward-group'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-forward-group "tabbar" "\
-Go to selected tab in the next available group.
-If there is only one group, select the next visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward-group'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-backward-tab "tabbar" "\
-Select the previous visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward-tab'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-forward-tab "tabbar" "\
-Select the next visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward-tab'.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-switch-tab "tabbar" "\
-Select the next or previous tab according to EVENT.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-mwheel-switch-group "tabbar" "\
-Select the next or previous group of tabs according to EVENT.
-
-\(fn EVENT)" t nil)
-
-(autoload 'tabbar-local-mode "tabbar" "\
-Toggle local display of the tab bar.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-When turned on, if a local header line is shown, it is hidden to show
-the tab bar.  The tab bar is locally hidden otherwise.  When turned
-off, if a local header line is hidden or the tab bar is locally
-hidden, it is shown again.  Signal an error if Tabbar mode is off.
-
-\(fn &optional ARG)" t nil)
-
-(defvar tabbar-mode nil "\
-Non-nil if Tabbar mode is enabled.
-See the `tabbar-mode' command
-for a description of this minor mode.
-Setting this variable directly does not take effect;
-either customize it (see the info node `Easy Customization')
-or call the function `tabbar-mode'.")
-
-(custom-autoload 'tabbar-mode "tabbar" nil)
-
-(autoload 'tabbar-mode "tabbar" "\
-Toggle display of a tab bar in the header line.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-
-\\{tabbar-mode-map}
-
-\(fn &optional ARG)" t nil)
-
-(defvar tabbar-mwheel-mode nil "\
-Non-nil if Tabbar-Mwheel mode is enabled.
-See the `tabbar-mwheel-mode' command
-for a description of this minor mode.
-Setting this variable directly does not take effect;
-either customize it (see the info node `Easy Customization')
-or call the function `tabbar-mwheel-mode'.")
-
-(custom-autoload 'tabbar-mwheel-mode "tabbar" nil)
-
-(autoload 'tabbar-mwheel-mode "tabbar" "\
-Toggle use of the mouse wheel to navigate through tabs or groups.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-
-\\{tabbar-mwheel-mode-map}
-
-\(fn &optional ARG)" t nil)
-
-(if (fboundp 'register-definition-prefixes) (register-definition-prefixes "tabbar" '("tabbar-")))
-
-;;;***
-
-;;;### (autoloads nil nil ("tabbar-pkg.el") (0 0 0 0))
-
-;;;***
-
-;; Local Variables:
-;; version-control: never
-;; no-byte-compile: t
-;; no-update-autoloads: t
-;; coding: utf-8
-;; End:
-;;; tabbar-autoloads.el ends here
diff --git a/elpa/tabbar-20180726.1735/tabbar-pkg.el b/elpa/tabbar-20180726.1735/tabbar-pkg.el
deleted file mode 100644
index f1530f2..0000000
--- a/elpa/tabbar-20180726.1735/tabbar-pkg.el
+++ /dev/null
@@ -1,9 +0,0 @@
-(define-package "tabbar" "20180726.1735" "Display a tab bar in the header line" 'nil :commit "82bbda31cbe8ef367dd6501c3aa14b7f2c835910" :keywords
-  '("convenience")
-  :authors
-  '(("David Ponce" . "david@dponce.com"))
-  :maintainer
-  '("David Ponce" . "david@dponce.com"))
-;; Local Variables:
-;; no-byte-compile: t
-;; End:
diff --git a/elpa/tabbar-20180726.1735/tabbar.el b/elpa/tabbar-20180726.1735/tabbar.el
deleted file mode 100644
index a0dce4a..0000000
--- a/elpa/tabbar-20180726.1735/tabbar.el
+++ /dev/null
@@ -1,1978 +0,0 @@
-;; -*-no-byte-compile: t; -*-
-;;; tabbar.el --- Display a tab bar in the header line
-
-;; Copyright (C) 2003, 2004, 2005 David Ponce
-
-;; Author: David Ponce <david@dponce.com>
-;; Maintainer: David Ponce <david@dponce.com>
-;; Created: 25 February 2003
-;; Keywords: convenience
-;; Version: 2.2
-;; Revision: $Id: tabbar.el,v 1.7 2009/03/02 21:02:34 davidswelt Exp $
-
-(defconst tabbar-version "2.2")
-
-;; This file is not part of GNU Emacs.
-
-;; This program is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU General Public License as
-;; published by the Free Software Foundation; either version 3, or (at
-;; your option) any later version.
-
-;; This program is distributed in the hope that it will be useful, but
-;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;; General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with this program; see the file COPYING.  If not, write to
-;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
-;; Floor, Boston, MA 02110-1301, USA.
-
-;;; Commentary:
-;;
-;; This library provides the Tabbar global minor mode to display a tab
-;; bar in the header line of Emacs 21 and later versions.  You can use
-;; the mouse to click on a tab and select it.  Also, three buttons are
-;; displayed on the left side of the tab bar in this order: the
-;; "home", "scroll left", and "scroll right" buttons.  The "home"
-;; button is a general purpose button used to change something on the
-;; tab bar.  The scroll left and scroll right buttons are used to
-;; scroll tabs horizontally.  Tabs can be divided up into groups to
-;; maintain several sets of tabs at the same time (see also the
-;; chapter "Core" below for more details on tab grouping).  Only one
-;; group is displayed on the tab bar, and the "home" button, for
-;; example, can be used to navigate through the different groups, to
-;; show different tab bars.
-;;
-;; In a graphic environment, using the mouse is probably the preferred
-;; way to work with the tab bar.  However, you can also use the tab
-;; bar when Emacs is running on a terminal, so it is possible to use
-;; commands to press special buttons, or to navigate cyclically
-;; through tabs.
-;;
-;; These commands, and default keyboard shortcuts, are provided:
-;;
-;; `tabbar-mode'
-;;     Toggle the Tabbar global minor mode.  When enabled a tab bar is
-;;     displayed in the header line.
-;;
-;; `tabbar-local-mode'         (C-c <C-f10>)
-;;     Toggle the Tabbar-Local minor mode.  Provided the global minor
-;;     mode is turned on, the tab bar becomes local in the current
-;;     buffer when the local minor mode is enabled.  This permits to
-;;     see the tab bar in a buffer where the header line is already
-;;     used by another mode (like `Info-mode' for example).
-;;
-;; `tabbar-mwheel-mode'
-;;     Toggle the Tabbar-Mwheel global minor mode.  When enabled you
-;;     can use the mouse wheel to navigate through tabs of groups.
-;;
-;; `tabbar-press-home'         (C-c <C-home>)
-;; `tabbar-press-scroll-left'  (C-c <C-prior>)
-;; `tabbar-press-scroll-right' (C-c <C-next>)
-;;     Simulate a mouse-1 click on respectively the "home", "scroll
-;;     left", and "scroll right" buttons.  A numeric prefix argument
-;;     value of 2, or 3, respectively simulates a mouse-2, or mouse-3
-;;     click.
-;;
-;; `tabbar-backward'           (C-c <C-left>)
-;; `tabbar-forward'            (C-c <C-right>)
-;;     Are the basic commands to navigate cyclically through tabs or
-;;     groups of tabs.  The cycle is controlled by the
-;;     `tabbar-cycle-scope' option.  The default is to navigate
-;;     through all tabs across all existing groups of tabs.  You can
-;;     change the default behavior to navigate only through the tabs
-;;     visible on the tab bar, or through groups of tabs only.  Or use
-;;     the more specialized commands below.
-;;
-;; `tabbar-backward-tab'
-;; `tabbar-forward-tab'
-;;     Navigate through the tabs visible on the tab bar.
-;;
-;; `tabbar-backward-group'     (C-c <C-up>)
-;; `tabbar-forward-group'      (C-c <C-down>)
-;;     Navigate through existing groups of tabs.
-;;
-;;
-;; Core
-;; ----
-;;
-;; The content of the tab bar is represented by an internal data
-;; structure: a tab set.  A tab set is a collection (group) of tabs,
-;; identified by an unique name.  In a tab set, at any time, one and
-;; only one tab is designated as selected within the tab set.
-;;
-;; A tab is a simple data structure giving the value of the tab, and a
-;; reference to its tab set container.  A tab value can be any Lisp
-;; object.  Each tab object is guaranteed to be unique.
-;;
-;; A tab set is displayed on the tab bar through a "view" defined by
-;; the index of the leftmost tab shown.  Thus, it is possible to
-;; scroll the tab bar horizontally by changing the start index of the
-;; tab set view.
-;;
-;; The visual representation of a tab bar is a list of valid
-;; `header-line-format' template elements, one for each special
-;; button, and for each tab found into a tab set "view".  When the
-;; visual representation of a tab is required, the function specified
-;; in the variable `tabbar-tab-label-function' is called to obtain it.
-;; The visual representation of a special button is obtained by
-;; calling the function specified in `tabbar-button-label-function',
-;; which is passed a button name among `home', `scroll-left', or
-;; `scroll-right'.  There are also options and faces to customize the
-;; appearance of buttons and tabs (see the code for more details).
-;;
-;; When the mouse is over a tab, the function specified in
-;; `tabbar-help-on-tab-function' is called, which is passed the tab
-;; and should return a help string to display.  When a tab is
-;; selected, the function specified in `tabbar-select-tab-function' is
-;; called, which is passed the tab and the event received.
-;;
-;; Similarly, to control the behavior of the special buttons, the
-;; following variables are available, for respectively the `home',
-;; `scroll-left' and `scroll-right' value of `<button>':
-;;
-;; `tabbar-<button>-function'
-;;    Function called when <button> is selected.  The function is
-;;    passed the mouse event received.
-;;
-;; `tabbar-<button>-help-function'
-;;    Function called with no arguments to obtain a help string
-;;    displayed when the mouse is over <button>.
-;;
-;; To increase performance, each tab set automatically maintains its
-;; visual representation in a cache.  As far as possible, the cache is
-;; used to display the tab set, and refreshed only when necessary.
-;;
-;; Several tab sets can be maintained at the same time.  Only one is
-;; displayed on the tab bar, it is obtained by calling the function
-;; specified in the variable `tabbar-current-tabset-function'.
-;;
-;; A special tab set is maintained, that contains the list of the
-;; currently selected tabs in the existing tab sets.  This tab set is
-;; useful to show the existing tab sets in a tab bar, and switch
-;; between them easily.  The function `tabbar-get-tabsets-tabset'
-;; returns this special tab set.
-;;
-;;
-;; Buffer tabs
-;; -----------
-;;
-;; The default tab bar implementation provided displays buffers in
-;; dedicated tabs.  Selecting a tab, switch (mouse-1), or pop
-;; (mouse-2), to the buffer it contains.
-;;
-;; The list of buffers put in tabs is provided by the function
-;; specified in the variable `tabbar-buffer-list-function'.  The
-;; default function: `tabbar-buffer-list', excludes buffers whose name
-;; starts with a space, when they are not visiting a file.
-;;
-;; Buffers are organized in groups, each one represented by a tab set.
-;; A buffer can have no group, or belong to more than one group.  The
-;; function specified by the variable `tabbar-buffer-groups-function'
-;; is called for each buffer to obtain the groups it belongs to.  The
-;; default function provided: `tabbar-buffer-groups' organizes buffers
-;; depending on their major mode (see that function for details).
-;;
-;; The "home" button toggles display of buffer groups on the tab bar,
-;; allowing to easily show another buffer group by clicking on the
-;; associated tab.
-;;
-;; Known problems:
-;;
-;; Bug item #858306 at <http://sf.net/tracker/?group_id=79309>:
-;; tabbar-mode crashes GNU Emacs 21.3 on MS-Windows 98/95.
-;;
-
-;;; History:
-;;
-
-;;; Code:
-
-;;; Options
-;;
-(defgroup tabbar nil
-  "Display a tab bar in the header line."
-  :group 'convenience)
-
-(defcustom tabbar-cycle-scope nil
-  "*Specify the scope of cyclic navigation through tabs.
-The following scopes are possible:
-
-- `tabs'
-    Navigate through visible tabs only.
-- `groups'
-    Navigate through tab groups only.
-- default
-    Navigate through visible tabs, then through tab groups."
-  :group 'tabbar
-  :type '(choice :tag "Cycle through..."
-                 (const :tag "Visible Tabs Only" tabs)
-                 (const :tag "Tab Groups Only" groups)
-                 (const :tag "Visible Tabs then Tab Groups" nil)))
-
-(defcustom tabbar-auto-scroll-flag t
-  "*Non-nil means to automatically scroll the tab bar.
-That is, when a tab is selected outside of the tab bar visible area,
-the tab bar is scrolled horizontally so the selected tab becomes
-visible."
-  :group 'tabbar
-  :type 'boolean)
-
-(defvar tabbar-inhibit-functions '(tabbar-default-inhibit-function)
-  "List of functions to be called before displaying the tab bar.
-Those functions are called one by one, with no arguments, until one of
-them returns a non-nil value, and thus, prevents to display the tab
-bar.")
-
-(defvar tabbar-current-tabset-function nil
-  "Function called with no argument to obtain the current tab set.
-This is the tab set displayed on the tab bar.")
-
-(defvar tabbar-tab-label-function nil
-  "Function that obtains a tab label displayed on the tab bar.
-The function is passed a tab and should return a string.")
-
-(defvar tabbar-select-tab-function nil
-  "Function that select a tab.
-The function is passed a mouse event and a tab, and should make it the
-selected tab.")
-
-(defvar tabbar-help-on-tab-function nil
-  "Function to obtain a help string for a tab.
-The help string is displayed when the mouse is onto the button.  The
-function is passed the tab and should return a help string or nil for
-none.")
-
-(defvar tabbar-button-label-function nil
-  "Function that obtains a button label displayed on the tab bar.
-The function is passed a button name should return a propertized
-string to display.")
-
-(defvar tabbar-home-function nil
-  "Function called when clicking on the tab bar home button.
-The function is passed the mouse event received.")
-
-(defvar tabbar-home-help-function nil
-  "Function to obtain a help string for the tab bar home button.
-The help string is displayed when the mouse is onto the button.
-The function is called with no arguments.")
-
-(defvar tabbar-scroll-left-function 'tabbar-scroll-left
-  "Function that scrolls tabs on left.
-The function is passed the mouse event received when clicking on the
-scroll left button.  It should scroll the current tab set.")
-
-(defvar tabbar-scroll-left-help-function 'tabbar-scroll-left-help
-  "Function to obtain a help string for the scroll left button.
-The help string is displayed when the mouse is onto the button.
-The function is called with no arguments.")
-
-(defvar tabbar-scroll-right-function 'tabbar-scroll-right
-  "Function that scrolls tabs on right.
-The function is passed the mouse event received when clicking on the
-scroll right button.  It should scroll the current tab set.")
-
-(defvar tabbar-scroll-right-help-function 'tabbar-scroll-right-help
-  "Function to obtain a help string for the scroll right button.
-The help string is displayed when the mouse is onto the button.
-The function is called with no arguments.")
-
-;;; Misc.
-;;
-(eval-and-compile
-  (defalias 'tabbar-display-update
-    (if (fboundp 'force-window-update)
-        #'(lambda () (force-window-update (selected-window)))
-      'force-mode-line-update)))
-
-(defsubst tabbar-click-p (event)
-  "Return non-nil if EVENT is a mouse click event."
-  (memq 'click (event-modifiers event)))
-
-(defun tabbar-shorten (str width)
-  "Return a shortened string from STR that fits in the given display WIDTH.
-WIDTH is specified in terms of character display width in the current
-buffer; see also `char-width'.  If STR display width is greater than
-WIDTH, STR is truncated and an ellipsis string \"...\" is inserted at
-end or in the middle of the returned string, depending on available
-room."
-  (let* ((n  (length str))
-         (sw (string-width str))
-         (el "...")
-         (ew (string-width el))
-         (w  0)
-         (i  0))
-    (cond
-     ;; STR fit in WIDTH, return it.
-     ((<= sw width)
-      str)
-     ;; There isn't enough room for the ellipsis, STR is just
-     ;; truncated to fit in WIDTH.
-     ((<= width ew)
-      (while (< w width)
-        (setq w (+ w (char-width (aref str i)))
-              i (1+ i)))
-      (substring str 0 i))
-     ;; There isn't enough room to insert the ellipsis in the middle
-     ;; of the truncated string, so put the ellipsis at end.
-     ((zerop (setq sw (/ (- width ew) 2)))
-      (setq width (- width ew))
-      (while (< w width)
-        (setq w (+ w (char-width (aref str i)))
-              i (1+ i)))
-      (concat (substring str 0 i) el))
-     ;; Put the ellipsis in the middle of the truncated string.
-     (t
-      (while (< w sw)
-        (setq w (+ w (char-width (aref str i)))
-              i (1+ i)))
-      (setq w (+ w ew))
-      (while (< w width)
-        (setq n (1- n)
-              w (+ w (char-width (aref str n)))))
-      (concat (substring str 0 i) el (substring str n)))
-     )))
-
-;;; Tab and tab set
-;;
-(defsubst tabbar-make-tab (object tabset)
-  "Return a new tab with value OBJECT.
-TABSET is the tab set the tab belongs to."
-  (cons object tabset))
-
-(defsubst tabbar-tab-value (tab)
-  "Return the value of tab TAB."
-  (car tab))
-
-(defsubst tabbar-tab-tabset (tab)
-  "Return the tab set TAB belongs to."
-  (cdr tab))
-
-(defvar tabbar-tabsets nil
-  "The tab sets store.")
-
-(defvar tabbar-tabsets-tabset nil
-  "The special tab set of existing tab sets.")
-
-(defvar tabbar-current-tabset nil
-  "The tab set currently displayed on the tab bar.")
-(make-variable-buffer-local 'tabbar-current-tabset)
-
-(defvar tabbar-init-hook nil
-  "Hook run after tab bar data has been initialized.
-You should use this hook to initialize dependent data.")
-
-(defsubst tabbar-init-tabsets-store ()
-  "Initialize the tab set store."
-  (setq tabbar-tabsets (make-vector 31 0)
-        tabbar-tabsets-tabset (make-symbol "tabbar-tabsets-tabset"))
-  (put tabbar-tabsets-tabset 'start 0)
-  (run-hooks 'tabbar-init-hook))
-
-(defvar tabbar-quit-hook nil
-  "Hook run after tab bar data has been freed.
-You should use this hook to reset dependent data.")
-
-(defsubst tabbar-free-tabsets-store ()
-  "Free the tab set store."
-  (setq tabbar-tabsets nil
-        tabbar-tabsets-tabset nil)
-  (run-hooks 'tabbar-quit-hook))
-
-;; Define an "hygienic" function free of side effect between its local
-;; variables and those of the callee.
-(eval-and-compile
-  (defalias 'tabbar-map-tabsets
-    (let ((function (make-symbol "function"))
-          (result   (make-symbol "result"))
-          (tabset   (make-symbol "tabset")))
-      `(lambda (,function)
-         "Apply FUNCTION to each tab set, and make a list of the results.
-The result is a list just as long as the number of existing tab sets."
-         (let (,result)
-           (if tabbar-tabsets
-	       (mapatoms
-		#'(lambda (,tabset)
-		    (push (funcall ,function ,tabset) ,result))
-		tabbar-tabsets))
-           ,result)))))
-
-(defun tabbar-make-tabset (name &rest objects)
-  "Make a new tab set whose name is the string NAME.
-It is initialized with tabs build from the list of OBJECTS."
-  (let* ((tabset (intern name tabbar-tabsets))
-         (tabs (mapcar #'(lambda (object)
-                           (tabbar-make-tab object tabset))
-                       objects)))
-    (set tabset tabs)
-    (put tabset 'select (car tabs))
-    (put tabset 'start 0)
-    tabset))
-
-(defsubst tabbar-get-tabset (name)
-  "Return the tab set whose name is the string NAME.
-Return nil if not found."
-  (intern-soft name tabbar-tabsets))
-
-(defsubst tabbar-delete-tabset (tabset)
-  "Delete the tab set TABSET.
-That is, remove it from the tab sets store."
-  (unintern tabset tabbar-tabsets))
-
-(defsubst tabbar-tabs (tabset)
-  "Return the list of tabs in TABSET."
-  (symbol-value tabset))
-
-(defsubst tabbar-tab-values (tabset)
-  "Return the list of tab values in TABSET."
-  (mapcar 'tabbar-tab-value (tabbar-tabs tabset)))
-
-(defsubst tabbar-get-tab (object tabset)
-  "Search for a tab with value OBJECT in TABSET.
-Return the tab found, or nil if not found."
-  (assoc object (tabbar-tabs tabset)))
-
-(defsubst tabbar-member (tab tabset)
-  "Return non-nil if TAB is in TABSET."
-  (or (eq (tabbar-tab-tabset tab) tabset)
-      (memq tab (tabbar-tabs tabset))))
-
-(defsubst tabbar-template (tabset)
-  "Return the cached visual representation of TABSET.
-That is, a `header-line-format' template, or nil if the cache is
-empty."
-  (get tabset 'template))
-
-(defsubst tabbar-set-template (tabset template)
-  "Set the cached visual representation of TABSET to TEMPLATE.
-TEMPLATE must be a valid `header-line-format' template, or nil to
-cleanup the cache."
-  (put tabset 'template template))
-
-(defsubst tabbar-selected-tab (tabset)
-  "Return the tab selected in TABSET."
-  (get tabset 'select))
-
-(defsubst tabbar-selected-value (tabset)
-  "Return the value of the tab selected in TABSET."
-  (tabbar-tab-value (tabbar-selected-tab tabset)))
-
-(defsubst tabbar-selected-p (tab tabset)
-  "Return non-nil if TAB is the selected tab in TABSET."
-  (eq tab (tabbar-selected-tab tabset)))
-
-(defsubst tabbar-modified-p (tab tabset)
-  "Return non-nil if TAB is a modified tab in TABSET."
-  (and (buffer-modified-p (tabbar-tab-value tab))
-       (buffer-file-name (tabbar-tab-value tab))))
-
-(defvar tabbar--track-selected nil)
-
-(defsubst tabbar-select-tab (tab tabset)
-  "Make TAB the selected tab in TABSET.
-Does nothing if TAB is not found in TABSET.
-Return TAB if selected, nil if not."
-  (when (tabbar-member tab tabset)
-    (unless (tabbar-selected-p tab tabset)
-      (tabbar-set-template tabset nil)
-      (setq tabbar--track-selected tabbar-auto-scroll-flag))
-    (put tabset 'select tab)))
-
-(defsubst tabbar-select-tab-value (object tabset)
-  "Make the tab with value OBJECT, the selected tab in TABSET.
-Does nothing if a tab with value OBJECT is not found in TABSET.
-Return the tab selected, or nil if nothing was selected."
-  (tabbar-select-tab (tabbar-get-tab object tabset) tabset))
-
-(defsubst tabbar-start (tabset)
-  "Return the index of the first visible tab in TABSET."
-  (get tabset 'start))
-
-(defsubst tabbar-view (tabset)
-  "Return the list of visible tabs in TABSET.
-That is, the sub-list of tabs starting at the first visible one."
-  (nthcdr (tabbar-start tabset) (tabbar-tabs tabset)))
-
-(defun tabbar-add-tab (tabset object &optional append)
-  "Add to TABSET a tab with value OBJECT if there isn't one there yet.
-If the tab is added, it is added at the beginning of the tab list,
-unless the optional argument APPEND is non-nil, in which case it is
-added at the end."
-  (let ((tabs (tabbar-tabs tabset)))
-    (if (tabbar-get-tab object tabset)
-        tabs
-      (let ((tab (tabbar-make-tab object tabset)))
-        (tabbar-set-template tabset nil)
-        (set tabset (if append
-                        (append tabs (list tab))
-                      (cons tab tabs)))))))
-
-(defun tabbar-delete-tab (tab)
-  "Remove TAB from its tab set."
-  (let* ((tabset (tabbar-tab-tabset tab))
-         (tabs   (tabbar-tabs tabset))
-         (sel    (eq tab (tabbar-selected-tab tabset)))
-         (next   (and sel (cdr (memq tab tabs)))))
-    (tabbar-set-template tabset nil)
-    (setq tabs (delq tab tabs))
-    ;; When the selected tab is deleted, select the next one, if
-    ;; available, or the last one otherwise.
-    (and sel (tabbar-select-tab (car (or next (last tabs))) tabset))
-    (set tabset tabs)))
-
-(defun tabbar-scroll (tabset count)
-  "Scroll the visible tabs in TABSET of COUNT units.
-If COUNT is positive move the view on right.  If COUNT is negative,
-move the view on left."
-  (let ((start (min (max 0 (+ (tabbar-start tabset) count))
-                    (1- (length (tabbar-tabs tabset))))))
-    (when (/= start (tabbar-start tabset))
-      (tabbar-set-template tabset nil)
-      (put tabset 'start start))))
-
-(defun tabbar-tab-next (tabset tab &optional before)
-  "Search in TABSET for the tab after TAB.
-If optional argument BEFORE is non-nil, search for the tab before
-TAB.  Return the tab found, or nil otherwise."
-  (let* (last (tabs (tabbar-tabs tabset)))
-    (while (and tabs (not (eq tab (car tabs))))
-      (setq last (car tabs)
-            tabs (cdr tabs)))
-    (and tabs (if before last (nth 1 tabs)))))
-
-(defun tabbar-current-tabset (&optional update)
-  "Return the tab set currently displayed on the tab bar.
-If optional argument UPDATE is non-nil, call the user defined function
-`tabbar-current-tabset-function' to obtain it.  Otherwise return the
-current cached copy."
-  (and update tabbar-current-tabset-function
-       (setq tabbar-current-tabset
-             (funcall tabbar-current-tabset-function)))
-  tabbar-current-tabset)
-
-(defun tabbar-get-tabsets-tabset ()
-  "Return the tab set of selected tabs in existing tab sets."
-  (set tabbar-tabsets-tabset (tabbar-map-tabsets 'tabbar-selected-tab))
-  (tabbar-scroll tabbar-tabsets-tabset 0)
-  (tabbar-set-template tabbar-tabsets-tabset nil)
-  tabbar-tabsets-tabset)
-
-;;; Faces
-;;
-(defface tabbar-default
-  '(
-    ;;(((class color grayscale) (background light))
-    ;; :inherit variable-pitch
-    ;; :height 0.8
-    ;; :foreground "gray50"
-    ;; :background "grey75"
-    ;; )
-    (((class color grayscale) (background dark))
-     :inherit variable-pitch
-     :height 0.8
-     :foreground "grey75"
-     :background "gray50"
-     )
-    (((class mono) (background light))
-     :inherit variable-pitch
-     :height 0.8
-     :foreground "black"
-     :background "white"
-     )
-    (((class mono) (background dark))
-     :inherit variable-pitch
-     :height 0.8
-     :foreground "white"
-     :background "black"
-     )
-    (t
-     :inherit variable-pitch
-     :height 0.8
-     :foreground "gray50"
-     :background "gray75"
-     ))
-  "Default face used in the tab bar."
-  :group 'tabbar)
-
-(defface tabbar-unselected
-  '((t
-     :inherit tabbar-default
-     :box (:line-width 1 :color "white" :style released-button)
-     ))
-  "Face used for unselected tabs."
-  :group 'tabbar)
-
-(defface tabbar-selected
-  '((t
-     :inherit tabbar-default
-     :box (:line-width 1 :color "white" :style pressed-button)
-     :foreground "blue"
-     ))
-  "Face used for the selected tab."
-  :group 'tabbar)
-
-(defface tabbar-modified
-  '((t
-     :inherit tabbar-default
-     :box (:line-width 1 :color "white" :style released-button)
-     :foreground "green"
-     ))
-  "Face used for unsaved tabs."
-  :group 'tabbar)
-
-(defface tabbar-selected-modified
-  '((t
-     :inherit tabbar-default
-     :box (:line-width 1 :color "white" :style released-button)
-     :foreground "red"
-     ))
-  "Face used for unsaved and selected tabs."
-  :group 'tabbar)
-
-(defface tabbar-highlight
-  '((t
-     :underline t
-     ))
-  "Face used to highlight a tab during mouse-overs."
-  :group 'tabbar)
-
-(defface tabbar-separator
-  '((t
-     :inherit tabbar-default
-     ))
-  "Face used for separators between tabs."
-  :group 'tabbar)
-
-(defface tabbar-button
-  '((t
-     :inherit tabbar-default
-     :box (:line-width 1 :color "white" :style released-button)
-     ))
-  "Face used for tab bar buttons."
-  :group 'tabbar)
-
-(defface tabbar-button-highlight
-  '((t
-     :inherit tabbar-default
-     ))
-  "Face used to highlight a button during mouse-overs."
-  :group 'tabbar)
-
-(defcustom tabbar-background-color nil
-  "*Background color of the tab bar.
-By default, use the background color specified for the
-`tabbar-default' face (or inherited from another face), or the
-background color of the `default' face otherwise."
-  :group 'tabbar
-  :type '(choice (const :tag "Default" nil)
-                 (color)))
-
-(defsubst tabbar-background-color ()
-  "Return the background color of the tab bar."
-  (or tabbar-background-color
-      (let* ((face 'tabbar-default)
-             (color (face-background face)))
-        (while (null color)
-          (or (facep (setq face (face-attribute face :inherit)))
-              (setq face 'default))
-          (setq color (face-background face)))
-        color)))
-
-;;; Buttons and separator look and feel
-;;
-(defconst tabbar-button-widget
-  '(cons
-    (cons :tag "Enabled"
-          (string)
-          (repeat :tag "Image"
-                  :extra-offset 2
-                  (restricted-sexp :tag "Spec"
-                                   :match-alternatives (listp))))
-    (cons :tag "Disabled"
-          (string)
-          (repeat :tag "Image"
-                  :extra-offset 2
-                  (restricted-sexp :tag "Spec"
-                                   :match-alternatives (listp))))
-    )
-  "Widget for editing a tab bar button.
-A button is specified as a pair (ENABLED-BUTTON . DISABLED-BUTTON),
-where ENABLED-BUTTON and DISABLED-BUTTON specify the value used when
-the button is respectively enabled and disabled.  Each button value is
-a pair (STRING . IMAGE) where STRING is a string value, and IMAGE a
-list of image specifications.
-If IMAGE is non-nil, try to use that image, else use STRING.
-If only the ENABLED-BUTTON image is provided, a DISABLED-BUTTON image
-is derived from it.")
-
-;;; Home button
-;;
-(defvar tabbar-home-button-value nil
-  "Value of the home button.")
-
-(defconst tabbar-home-button-enabled-image
-  '((:type pbm :data "\
-P2 13 13 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 0
-6 0 255 255 255 255 255 255 255 255 255 255 9 130 9 255 255 255 255
-255 255 255 255 255 255 26 130 26 255 255 255 255 255 255 255 0 9 26
-41 130 41 26 9 0 255 255 255 255 5 145 140 135 130 125 120 115 5 255
-255 255 255 0 9 26 41 130 41 26 9 0 255 255 255 255 255 255 255 26 130
-26 255 255 255 255 255 255 255 255 255 255 9 130 9 255 255 255 255 255
-255 255 255 255 255 0 6 0 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255
-"))
-  "Default image for the enabled home button.")
-
-(defconst tabbar-home-button-disabled-image
-  '((:type pbm :data "\
-P2 13 13 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 0 0 1 2 3 2 1 0 0 255 255 255 255 0 132 128 123 119 114 110
-106 0 255 255 255 255 0 0 1 2 3 2 1 0 0 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 255
-"))
-  "Default image for the disabled home button.")
-
-(defcustom tabbar-home-button
-  (cons (cons "[o]" tabbar-home-button-enabled-image)
-        (cons "[x]" tabbar-home-button-disabled-image))
-  "The home button.
-The variable `tabbar-button-widget' gives details on this widget."
-  :group 'tabbar
-  :type tabbar-button-widget
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of button value.
-          (setq tabbar-home-button-value nil)))
-
-;;; Scroll left button
-;;
-(defvar tabbar-scroll-left-button-value nil
-  "Value of the scroll left button.")
-
-(defconst tabbar-scroll-left-button-enabled-image
-  '((:type pbm :data "\
-P2 13 13 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255 128 16 48 255 255 255 255 255 255 255
-255 144 28 86 128 0 255 255 255 255 255 255 160 44 92 159 135 113 0
-255 255 255 255 160 44 97 165 144 129 120 117 0 255 255 176 44 98 175
-174 146 127 126 127 128 0 255 255 0 160 184 156 143 136 134 135 137
-138 0 255 255 176 32 67 144 146 144 145 146 148 149 0 255 255 255 255
-160 42 75 140 154 158 159 160 0 255 255 255 255 255 255 160 40 74 154
-170 171 0 255 255 255 255 255 255 255 255 160 41 82 163 0 255 255 255
-255 255 255 255 255 255 255 160 32 48 255 255 255 255 255 255 255 255
-255 255 255 255 255 255
-"))
-  "Default image for the enabled scroll left button.
-A disabled button image will be automatically build from it.")
-
-(defcustom tabbar-scroll-left-button
-  (cons (cons " <" tabbar-scroll-left-button-enabled-image)
-        (cons " =" nil))
-  "The scroll left button.
-The variable `tabbar-button-widget' gives details on this widget."
-  :group 'tabbar
-  :type tabbar-button-widget
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of button value.
-          (setq tabbar-scroll-left-button-value nil)))
-
-;;; Scroll right button
-;;
-(defvar tabbar-scroll-right-button-value nil
-  "Value of the scroll right button.")
-
-(defconst tabbar-scroll-right-button-enabled-image
-  '((:type pbm :data "\
-P2 13 13 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-48 32 160 255 255 255 255 255 255 255 255 255 255 44 161 71 32 160 255
-255 255 255 255 255 255 255 36 157 163 145 62 32 160 255 255 255 255
-255 255 30 128 133 137 142 124 50 32 160 255 255 255 255 29 120 121
-124 126 126 124 105 42 32 176 255 255 31 126 127 128 128 128 128 126
-124 89 32 255 255 33 134 135 136 137 137 138 119 49 32 176 255 255 34
-143 144 145 146 128 54 32 160 255 255 255 255 36 152 153 134 57 32 160
-255 255 255 255 255 255 38 141 60 32 160 255 255 255 255 255 255 255
-255 48 32 160 255 255 255 255 255 255 255 255 255 255 255 255 255 255
-255 255 255 255 255 255 255 255
-"))
-  "Default image for the enabled scroll right button.
-A disabled button image will be automatically build from it.")
-
-(defcustom tabbar-scroll-right-button
-  (cons (cons " >" tabbar-scroll-right-button-enabled-image)
-        (cons " =" nil))
-  "The scroll right button.
-The variable `tabbar-button-widget' gives details on this widget."
-  :group 'tabbar
-  :type tabbar-button-widget
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of button value.
-          (setq tabbar-scroll-right-button-value nil)))
-
-;;; Separator
-;;
-(defconst tabbar-separator-widget
-  '(cons (choice (string)
-                 (number :tag "Space width" 0.2))
-         (repeat :tag "Image"
-                 :extra-offset 2
-                 (restricted-sexp :tag "Spec"
-                                  :match-alternatives (listp))))
-  "Widget for editing a tab bar separator.
-A separator is specified as a pair (STRING-OR-WIDTH . IMAGE) where
-STRING-OR-WIDTH is a string value or a space width, and IMAGE a list
-of image specifications.
-If IMAGE is non-nil, try to use that image, else use STRING-OR-WIDTH.
-The value (\"\"), or (0) hide separators.")
-
-(defvar tabbar-separator-value nil
-  "Value of the separator used between tabs.")
-
-(defcustom tabbar-separator (list 0.2)
-  "Separator used between tabs.
-The variable `tabbar-separator-widget' gives details on this widget."
-  :group 'tabbar
-  :type tabbar-separator-widget
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of separator value.
-          (setq tabbar-separator-value nil)))
-
-;;; Images
-;;
-(defcustom tabbar-use-images t
-  "*Non-nil means to try to use images in tab bar.
-That is for buttons and separators."
-  :group 'tabbar
-  :type 'boolean
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of all buttons and separator values.
-          (setq tabbar-separator-value nil
-                tabbar-home-button-value nil
-                tabbar-scroll-left-button-value nil
-                tabbar-scroll-right-button-value nil)))
-
-;; the following cache only provides minor speed benefits
-;; but it may be a workaround for the close-tab/undo.png display issue
-(defvar tabbar-cached-image nil)
-(defvar tabbar-cached-spec nil)
-(defsubst tabbar-find-image (specs)
-  "Find an image, choosing one of a list of image specifications.
-SPECS is a list of image specifications.  See also `find-image'."
-  (if (eq tabbar-cached-spec specs)
-      tabbar-cached-image
-    (when (and tabbar-use-images (display-images-p))
-      (condition-case nil
-	  (prog1
-	      (setq tabbar-cached-image (find-image specs))
-	    (setq tabbar-cached-spec specs))
-	(error nil)))))
-
-(defsubst tabbar-disable-image (image)
-  "From IMAGE, return a new image which looks disabled."
-  (setq image (copy-sequence image))
-  (setcdr image (plist-put (cdr image) :conversion 'disabled))
-  image)
-
-(defsubst tabbar-normalize-image (image &optional margin)
-  "Make IMAGE centered and transparent.
-If optional MARGIN is non-nil, it must be a number of pixels to add as
-an extra margin around the image."
-  (let ((plist (cdr image)))
-    (or (plist-get plist :ascent)
-        (setq plist (plist-put plist :ascent 'center)))
-    (or (plist-get plist :mask)
-        (setq plist (plist-put plist :mask '(heuristic t))))
-    (or (not (natnump margin))
-        (plist-get plist :margin)
-        (plist-put plist :margin margin))
-    (setcdr image plist))
-  image)
-
-;;; Button keymaps and callbacks
-;;
-(defun tabbar-make-mouse-keymap (callback)
-  "Return a keymap that call CALLBACK on mouse events.
-CALLBACK is passed the received mouse event."
-  (let ((keymap (make-sparse-keymap)))
-    ;; Pass mouse-1, mouse-2 and mouse-3 events to CALLBACK.
-    (define-key keymap [header-line down-mouse-1] 'ignore)
-    (define-key keymap [header-line mouse-1] callback)
-    (define-key keymap [header-line down-mouse-2] 'ignore)
-    (define-key keymap [header-line mouse-2] callback)
-    (define-key keymap [header-line down-mouse-3] 'ignore)
-    (define-key keymap [header-line mouse-3] callback)
-    keymap))
-
-(defsubst tabbar-make-mouse-event (&optional type)
-  "Return a mouse click event.
-Optional argument TYPE is a mouse-click event or one of the
-symbols `mouse-1', `mouse-2' or `mouse-3'.
-The default is `mouse-1'."
-  (if (tabbar-click-p type)
-      type
-    (list (or (memq type '(mouse-2 mouse-3)) 'mouse-1)
-          (or (event-start nil) ;; Emacs 21.4
-              (list (selected-window) (point) '(0 . 0) 0)))))
-
-;;; Buttons
-;;
-(defconst tabbar-default-button-keymap
-  (tabbar-make-mouse-keymap 'tabbar-select-button-callback)
-  "Default keymap of a button.")
-
-(defun tabbar-help-on-button (window object position)
-  "Return a help string or nil for none, for the button under the mouse.
-WINDOW is the window in which the help was found (unused).
-OBJECT is the button label under the mouse.
-POSITION is the position in that label.
-Call `tabbar-NAME-help-function' where NAME is the button name
-associated to OBJECT."
-  (let* ((name (get-text-property position 'tabbar-button object))
-         (funvar (and name
-                      (intern-soft (format "tabbar-%s-help-function"
-                                           name)))))
-    (and (symbol-value funvar)
-         (funcall (symbol-value funvar)))))
-
-(defsubst tabbar-click-on-button (name &optional type)
-  "Handle a mouse click event on button NAME.
-Call `tabbar-select-NAME-function' with the received, or simulated
-mouse click event.
-Optional argument TYPE is a mouse click event type (see the function
-`tabbar-make-mouse-event' for details)."
-  (let ((funvar (intern-soft (format "tabbar-%s-function" name))))
-    (when (symbol-value funvar)
-      (funcall (symbol-value funvar) (tabbar-make-mouse-event type))
-      (tabbar-display-update))))
-
-(defun tabbar-select-button-callback (event)
-  "Handle a mouse EVENT on a button.
-Pass mouse click events on a button to `tabbar-click-on-button'."
-  (interactive "@e")
-  (when (tabbar-click-p event)
-    (let ((target (posn-string (event-start event))))
-      (tabbar-click-on-button
-       (get-text-property (cdr target) 'tabbar-button (car target))
-       event))))
-
-(defun tabbar-make-button-keymap (name)
-  "Return a keymap to handle mouse click events on button NAME."
-  (if (fboundp 'posn-string)
-      tabbar-default-button-keymap
-    (let ((event (make-symbol "event")))
-      (tabbar-make-mouse-keymap
-       `(lambda (,event)
-          (interactive "@e")
-          (and (tabbar-click-p ,event)
-               (tabbar-click-on-button ',name ,event)))))))
-
-;;; Button callbacks
-;;
-(defun tabbar-scroll-left (event)
-  "On mouse EVENT, scroll current tab set on left."
-  (when (eq (event-basic-type event) 'mouse-1)
-    (tabbar-scroll (tabbar-current-tabset) -1)))
-
-(defun tabbar-scroll-left-help ()
-  "Help string shown when mouse is over the scroll left button."
-  "mouse-1: scroll tabs left.")
-
-(defun tabbar-scroll-right (event)
-  "On mouse EVENT, scroll current tab set on right."
-  (when (eq (event-basic-type event) 'mouse-1)
-    (tabbar-scroll (tabbar-current-tabset) 1)))
-
-(defun tabbar-scroll-right-help ()
-  "Help string shown when mouse is over the scroll right button."
-  "mouse-1: scroll tabs right.")
-
-;;; Tabs
-;;
-(defconst tabbar-default-tab-keymap
-  (tabbar-make-mouse-keymap 'tabbar-select-tab-callback)
-  "Default keymap of a tab.")
-
-(defun tabbar-help-on-tab (window object position)
-  "Return a help string or nil for none, for the tab under the mouse.
-WINDOW is the window in which the help was found (unused).
-OBJECT is the tab label under the mouse.
-POSITION is the position in that label.
-Call `tabbar-help-on-tab-function' with the associated tab."
-  (when tabbar-help-on-tab-function
-    (let ((tab (get-text-property position 'tabbar-tab object)))
-      (funcall tabbar-help-on-tab-function tab))))
-
-(defsubst tabbar-click-on-tab (tab &optional type)
-  "Handle a mouse click event on tab TAB.
-Call `tabbar-select-tab-function' with the received, or simulated
-mouse click event, and TAB.
-Optional argument TYPE is a mouse click event type (see the function
-`tabbar-make-mouse-event' for details)."
-  (when tabbar-select-tab-function
-    (funcall tabbar-select-tab-function
-             (tabbar-make-mouse-event type) tab)
-    (tabbar-display-update)))
-
-(defun tabbar-select-tab-callback (event)
-  "Handle a mouse EVENT on a tab.
-Pass mouse click events on a tab to `tabbar-click-on-tab'."
-  (interactive "@e")
-  (when (tabbar-click-p event)
-    (let ((target (posn-string (event-start event))))
-      (tabbar-click-on-tab
-       (get-text-property (cdr target) 'tabbar-tab (car target))
-       event))))
-
-(defun tabbar-make-tab-keymap (tab)
-  "Return a keymap to handle mouse click events on TAB."
-  (if (fboundp 'posn-string)
-      tabbar-default-tab-keymap
-    (let ((event (make-symbol "event")))
-      (tabbar-make-mouse-keymap
-       `(lambda (,event)
-          (interactive "@e")
-          (and (tabbar-click-p ,event)
-               (tabbar-click-on-tab ',tab ,event)))))))
-
-;;; Tab bar construction
-;;
-(defun tabbar-button-label (name)
-  "Return a label for button NAME.
-That is a pair (ENABLED . DISABLED), where ENABLED and DISABLED are
-respectively the appearance of the button when enabled and disabled.
-They are propertized strings which could display images, as specified
-by the variable `tabbar-NAME-button'."
-  (let* ((btn (symbol-value
-               (intern-soft (format "tabbar-%s-button" name))))
-         (on  (tabbar-find-image (cdar btn)))
-         (off (and on (tabbar-find-image (cddr btn)))))
-    (when on
-      (tabbar-normalize-image on 1)
-      (if off
-          (tabbar-normalize-image off 1)
-        ;; If there is no disabled button image, derive one from the
-        ;; button enabled image.
-        (setq off (tabbar-disable-image on))))
-    (cons
-     (propertize (or (caar btn) " ") 'display on)
-     (propertize (or (cadr btn) " ") 'display off))))
-
-(defun tabbar-line-button (name)
-  "Return the display representation of button NAME.
-That is, a propertized string used as an `header-line-format' template
-element."
-  (let ((label (if tabbar-button-label-function
-                   (funcall tabbar-button-label-function name)
-                 (cons name name))))
-    ;; Cache the display value of the enabled/disabled buttons in
-    ;; variables `tabbar-NAME-button-value'.
-    (set (intern (format "tabbar-%s-button-value"  name))
-         (cons
-          (propertize (car label)
-                      'tabbar-button name
-                      'face 'tabbar-button
-                      'mouse-face 'tabbar-button-highlight
-                      'pointer 'hand
-                      'local-map (tabbar-make-button-keymap name)
-                      'help-echo 'tabbar-help-on-button)
-          (propertize (cdr label)
-                      'face 'tabbar-button
-                      'pointer 'arrow)))))
-
-(defun tabbar-line-separator ()
-  "Return the display representation of a tab bar separator.
-That is, a propertized string used as an `header-line-format' template
-element."
-  (let ((image (tabbar-find-image (cdr tabbar-separator))))
-    ;; Cache the separator display value in variable
-    ;; `tabbar-separator-value'.
-    (setq tabbar-separator-value
-          (cond
-           (image
-            (propertize " "
-                        'face 'tabbar-separator
-                        'pointer 'arrow
-                        'display (tabbar-normalize-image image)))
-           ((numberp (car tabbar-separator))
-            (propertize " "
-                        'face 'tabbar-separator
-                        'pointer 'arrow
-                        'display (list 'space
-                                       :width (car tabbar-separator))))
-           ((propertize (or (car tabbar-separator) " ")
-                        'face 'tabbar-separator
-                        'pointer 'arrow))))
-    ))
-
-(defsubst tabbar-line-buttons (tabset)
-  "Return a list of propertized strings for tab bar buttons.
-TABSET is the tab set used to choose the appropriate buttons."
-  (list
-   (if tabbar-home-function
-       (car tabbar-home-button-value)
-     (cdr tabbar-home-button-value))
-   (if (> (tabbar-start tabset) 0)
-       (car tabbar-scroll-left-button-value)
-     (cdr tabbar-scroll-left-button-value))
-   (if (< (tabbar-start tabset)
-          (1- (length (tabbar-tabs tabset))))
-       (car tabbar-scroll-right-button-value)
-     (cdr tabbar-scroll-right-button-value))
-   tabbar-separator-value))
-
-(defsubst tabbar-line-tab (tab)
-  "Return the display representation of tab TAB.
-That is, a propertized string used as an `header-line-format' template
-element.
-Call `tabbar-tab-label-function' to obtain a label for TAB."
-  (concat (propertize
-           (if tabbar-tab-label-function
-               (funcall tabbar-tab-label-function tab)
-             tab)
-           'tabbar-tab tab
-           'local-map (tabbar-make-tab-keymap tab)
-           'help-echo 'tabbar-help-on-tab
-           'mouse-face 'tabbar-highlight
-           'face (cond ((and (tabbar-selected-p tab (tabbar-current-tabset))
-                             (tabbar-modified-p tab (tabbar-current-tabset)))
-                        'tabbar-selected-modified)
-                       ((tabbar-selected-p tab (tabbar-current-tabset))
-                        'tabbar-selected)
-                       ((tabbar-modified-p tab (tabbar-current-tabset))
-                        'tabbar-modified)
-                       (t 'tabbar-unselected))
-           'pointer 'hand)
-          tabbar-separator-value))
-
-(defun tabbar-line-format (tabset)
-  "Return the `header-line-format' value to display TABSET."
-  (let* ((sel (tabbar-selected-tab tabset))
-         (tabs (tabbar-view tabset))
-         (padcolor (tabbar-background-color))
-         atsel elts)
-    ;; Initialize buttons and separator values.
-    (or tabbar-separator-value
-        (tabbar-line-separator))
-    (or tabbar-home-button-value
-        (tabbar-line-button 'home))
-    (or tabbar-scroll-left-button-value
-        (tabbar-line-button 'scroll-left))
-    (or tabbar-scroll-right-button-value
-        (tabbar-line-button 'scroll-right))
-    ;; Track the selected tab to ensure it is always visible.
-    (when tabbar--track-selected
-      (while (not (memq sel tabs))
-        (tabbar-scroll tabset -1)
-        (setq tabs (tabbar-view tabset)))
-      (while (and tabs (not atsel))
-        (setq elts  (cons (tabbar-line-tab (car tabs)) elts)
-              atsel (eq (car tabs) sel)
-              tabs  (cdr tabs)))
-      (setq elts (nreverse elts))
-      ;; At this point the selected tab is the last elt in ELTS.
-      ;; Scroll TABSET and ELTS until the selected tab becomes
-      ;; visible.
-      (with-temp-buffer
-        (let ((truncate-partial-width-windows nil)
-              (inhibit-modification-hooks t)
-              deactivate-mark ;; Prevent deactivation of the mark!
-              start)
-          (setq truncate-lines nil
-                buffer-undo-list t)
-          (apply 'insert (tabbar-line-buttons tabset))
-          (setq start (point))
-          (while (and (cdr elts) ;; Always show the selected tab!
-                      (progn
-                        (delete-region start (point-max))
-                        (goto-char (point-max))
-                        (apply 'insert elts)
-                        (goto-char (point-min))
-                        (> (vertical-motion 1) 0)))
-            (tabbar-scroll tabset 1)
-            (setq elts (cdr elts)))))
-      (setq elts (nreverse elts))
-      (setq tabbar--track-selected nil))
-    ;; Format remaining tabs.
-    (while tabs
-      (setq elts (cons (tabbar-line-tab (car tabs)) elts)
-            tabs (cdr tabs)))
-    ;; Cache and return the new tab bar.
-    (tabbar-set-template
-     tabset
-     (list (tabbar-line-buttons tabset)
-           (nreverse elts)
-           (propertize "%-"
-                       'face (list :background padcolor
-                                   :foreground padcolor)
-                       'pointer 'arrow)))
-    ))
-
-(defun tabbar-line ()
-  "Return the header line templates that represent the tab bar.
-Inhibit display of the tab bar in current window if any of the
-`tabbar-inhibit-functions' return non-nil."
-  (cond
-   ((run-hook-with-args-until-success 'tabbar-inhibit-functions)
-    ;; Don't show the tab bar.
-    (setq header-line-format nil))
-   ((tabbar-current-tabset t)
-    ;; When available, use a cached tab bar value, else recompute it.
-    (or (tabbar-template tabbar-current-tabset)
-        (tabbar-line-format tabbar-current-tabset)))))
-
-(defconst tabbar-header-line-format '(:eval (tabbar-line))
-  "The tab bar header line format.")
-
-(defun tabbar-default-inhibit-function ()
-  "Inhibit display of the tab bar in specified windows.
-That is dedicated windows, and `checkdoc' status windows."
-  (or (window-dedicated-p (selected-window))
-      (member (buffer-name)
-              (list " *Checkdoc Status*"
-                    (if (boundp 'ispell-choices-buffer)
-                        ispell-choices-buffer
-                      "*Choices*")))))
-
-;;; Cyclic navigation through tabs
-;;
-(defun tabbar-cycle (&optional backward type)
-  "Cycle to the next available tab.
-The scope of the cyclic navigation through tabs is specified by the
-option `tabbar-cycle-scope'.
-If optional argument BACKWARD is non-nil, cycle to the previous tab
-instead.
-Optional argument TYPE is a mouse event type (see the function
-`tabbar-make-mouse-event' for details)."
-  (let* ((tabset (tabbar-current-tabset t))
-         (ttabset (tabbar-get-tabsets-tabset))
-         ;; If navigation through groups is requested, and there is
-         ;; only one group, navigate through visible tabs.
-         (cycle (if (and (eq tabbar-cycle-scope 'groups)
-                         (not (cdr (tabbar-tabs ttabset))))
-                    'tabs
-                  tabbar-cycle-scope))
-         selected tab)
-    (when tabset
-      (setq selected (tabbar-selected-tab tabset))
-      (cond
-       ;; Cycle through visible tabs only.
-       ((eq cycle 'tabs)
-        (setq tab (tabbar-tab-next tabset selected backward))
-        ;; When there is no tab after/before the selected one, cycle
-        ;; to the first/last visible tab.
-        (unless tab
-          (setq tabset (tabbar-tabs tabset)
-                tab (car (if backward (last tabset) tabset))))
-        )
-       ;; Cycle through tab groups only.
-       ((eq cycle 'groups)
-        (setq tab (tabbar-tab-next ttabset selected backward))
-        ;; When there is no group after/before the selected one, cycle
-        ;; to the first/last available group.
-        (unless tab
-          (setq tabset (tabbar-tabs ttabset)
-                tab (car (if backward (last tabset) tabset))))
-        )
-       (t
-        ;; Cycle through visible tabs then tab groups.
-        (setq tab (tabbar-tab-next tabset selected backward))
-        ;; When there is no visible tab after/before the selected one,
-        ;; cycle to the next/previous available group.
-        (unless tab
-          (setq tab (tabbar-tab-next ttabset selected backward))
-          ;; When there is no next/previous group, cycle to the
-          ;; first/last available group.
-          (unless tab
-            (setq tabset (tabbar-tabs ttabset)
-                  tab (car (if backward (last tabset) tabset))))
-          ;; Select the first/last visible tab of the new group.
-          (setq tabset (tabbar-tabs (tabbar-tab-tabset tab))
-                tab (car (if backward (last tabset) tabset))))
-        ))
-      (tabbar-click-on-tab tab type))))
-
-;;;###autoload
-(defun tabbar-backward ()
-  "Select the previous available tab.
-Depend on the setting of the option `tabbar-cycle-scope'."
-  (interactive)
-  (tabbar-cycle t))
-
-;;;###autoload
-(defun tabbar-forward ()
-  "Select the next available tab.
-Depend on the setting of the option `tabbar-cycle-scope'."
-  (interactive)
-  (tabbar-cycle))
-
-;;;###autoload
-(defun tabbar-backward-group ()
-  "Go to selected tab in the previous available group."
-  (interactive)
-  (let ((tabbar-cycle-scope 'groups))
-    (tabbar-cycle t)))
-
-;;;###autoload
-(defun tabbar-forward-group ()
-  "Go to selected tab in the next available group."
-  (interactive)
-  (let ((tabbar-cycle-scope 'groups))
-    (tabbar-cycle)))
-
-;;;###autoload
-(defun tabbar-backward-tab ()
-  "Select the previous visible tab."
-  (interactive)
-  (let ((tabbar-cycle-scope 'tabs))
-    (tabbar-cycle t)))
-
-;;;###autoload
-(defun tabbar-forward-tab ()
-  "Select the next visible tab."
-  (interactive)
-  (let ((tabbar-cycle-scope 'tabs))
-    (tabbar-cycle)))
-
-;;; Button press commands
-;;
-(defsubst tabbar--mouse (number)
-  "Return a mouse button symbol from NUMBER.
-That is mouse-2, or mouse-3 when NUMBER is respectively 2, or 3.
-Return mouse-1 otherwise."
-  (cond ((eq number 2) 'mouse-2)
-        ((eq number 3) 'mouse-3)
-        ('mouse-1)))
-
-;;;###autoload
-(defun tabbar-press-home (&optional arg)
-  "Press the tab bar home button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click."
-  (interactive "p")
-  (tabbar-click-on-button 'home (tabbar--mouse arg)))
-
-;;;###autoload
-(defun tabbar-press-scroll-left (&optional arg)
-  "Press the tab bar scroll-left button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click."
-  (interactive "p")
-  (tabbar-click-on-button 'scroll-left (tabbar--mouse arg)))
-
-;;;###autoload
-(defun tabbar-press-scroll-right (&optional arg)
-  "Press the tab bar scroll-right button.
-That is, simulate a mouse click on that button.
-A numeric prefix ARG value of 2, or 3, respectively simulates a
-mouse-2, or mouse-3 click.  The default is a mouse-1 click."
-  (interactive "p")
-  (tabbar-click-on-button 'scroll-right (tabbar--mouse arg)))
-
-;;; Mouse-wheel support
-;;
-(require 'mwheel)
-
-;;; Compatibility
-;;
-(defconst tabbar--mwheel-up-event
-  (symbol-value (if (boundp 'mouse-wheel-up-event)
-                    'mouse-wheel-up-event
-                  'mouse-wheel-up-button)))
-
-(defconst tabbar--mwheel-down-event
-  (symbol-value (if (boundp 'mouse-wheel-down-event)
-                    'mouse-wheel-down-event
-                  'mouse-wheel-down-button)))
-
-(defsubst tabbar--mwheel-key (event-type)
-  "Return a mouse wheel key symbol from EVENT-TYPE.
-When EVENT-TYPE is a symbol return it.
-When it is a button number, return symbol `mouse-<EVENT-TYPE>'."
-  (if (symbolp event-type)
-      event-type
-    (intern (format "mouse-%s" event-type))))
-
-(defsubst tabbar--mwheel-up-p (event)
-  "Return non-nil if EVENT is a mouse-wheel up event."
-  (let ((x (event-basic-type event)))
-    (if (eq 'mouse-wheel x)
-        (< (car (cdr (cdr event))) 0)   ;; Emacs 21.3
-      ;; Emacs > 21.3
-      (eq x tabbar--mwheel-up-event))))
-
-;;; Basic commands
-;;
-;;;###autoload
-(defun tabbar-mwheel-backward (event)
-  "Select the previous available tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward'."
-  (interactive "@e")
-  (tabbar-cycle t event))
-
-;;;###autoload
-(defun tabbar-mwheel-forward (event)
-  "Select the next available tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward'."
-  (interactive "@e")
-  (tabbar-cycle nil event))
-
-;;;###autoload
-(defun tabbar-mwheel-backward-group (event)
-  "Go to selected tab in the previous available group.
-If there is only one group, select the previous visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward-group'."
-  (interactive "@e")
-  (let ((tabbar-cycle-scope 'groups))
-    (tabbar-cycle t event)))
-
-;;;###autoload
-(defun tabbar-mwheel-forward-group (event)
-  "Go to selected tab in the next available group.
-If there is only one group, select the next visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward-group'."
-  (interactive "@e")
-  (let ((tabbar-cycle-scope 'groups))
-    (tabbar-cycle nil event)))
-
-;;;###autoload
-(defun tabbar-mwheel-backward-tab (event)
-  "Select the previous visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-backward-tab'."
-  (interactive "@e")
-  (let ((tabbar-cycle-scope 'tabs))
-    (tabbar-cycle t event)))
-
-;;;###autoload
-(defun tabbar-mwheel-forward-tab (event)
-  "Select the next visible tab.
-EVENT is the mouse event that triggered this command.
-Mouse-enabled equivalent of the command `tabbar-forward-tab'."
-  (interactive "@e")
-  (let ((tabbar-cycle-scope 'tabs))
-    (tabbar-cycle nil event)))
-
-;;; Wrappers when there is only one generic mouse-wheel event
-;;
-;;;###autoload
-(defun tabbar-mwheel-switch-tab (event)
-  "Select the next or previous tab according to EVENT."
-  (interactive "@e")
-  (if (tabbar--mwheel-up-p event)
-      (tabbar-mwheel-forward-tab event)
-    (tabbar-mwheel-backward-tab event)))
-
-;;;###autoload
-(defun tabbar-mwheel-switch-group (event)
-  "Select the next or previous group of tabs according to EVENT."
-  (interactive "@e")
-  (if (tabbar--mwheel-up-p event)
-      (tabbar-mwheel-forward-group event)
-    (tabbar-mwheel-backward-group event)))
-
-;;; Minor modes
-;;
-(defsubst tabbar-mode-on-p ()
-  "Return non-nil if Tabbar mode is on."
-  (eq (default-value 'header-line-format)
-      tabbar-header-line-format))
-
-;;; Tabbar-Local mode
-;;
-(defvar tabbar--local-hlf nil)
-
-;;;###autoload
-(define-minor-mode tabbar-local-mode
-  "Toggle local display of the tab bar.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-When turned on, if a local header line is shown, it is hidden to show
-the tab bar.  The tab bar is locally hidden otherwise.  When turned
-off, if a local header line is hidden or the tab bar is locally
-hidden, it is shown again.  Signal an error if Tabbar mode is off."
-  :group 'tabbar
-  :global nil
-  (unless (tabbar-mode-on-p)
-    (error "Tabbar mode must be enabled"))
-;;; ON
-  (if tabbar-local-mode
-      (if (and (local-variable-p 'header-line-format)
-               header-line-format)
-          ;; A local header line exists, hide it to show the tab bar.
-          (progn
-            ;; Fail in case of an inconsistency because another local
-            ;; header line is already hidden.
-            (when (local-variable-p 'tabbar--local-hlf)
-              (error "Another local header line is already hidden"))
-            (set (make-local-variable 'tabbar--local-hlf)
-                 header-line-format)
-            (kill-local-variable 'header-line-format))
-        ;; Otherwise hide the tab bar in this buffer.
-        (setq header-line-format nil))
-;;; OFF
-    (if (local-variable-p 'tabbar--local-hlf)
-        ;; A local header line is hidden, show it again.
-        (progn
-          (setq header-line-format tabbar--local-hlf)
-          (kill-local-variable 'tabbar--local-hlf))
-      ;; The tab bar is locally hidden, show it again.
-      (kill-local-variable 'header-line-format))))
-
-;;; Tabbar mode
-;;
-(defvar tabbar-prefix-key [(control ?c)]
-  "The common prefix key used in Tabbar mode.")
-
-(defvar tabbar-prefix-map
-  (let ((km (make-sparse-keymap)))
-    (define-key km [(control home)]  'tabbar-press-home)
-    (define-key km [(control left)]  'tabbar-backward)
-    (define-key km [(control right)] 'tabbar-forward)
-    (define-key km [(control up)]    'tabbar-backward-group)
-    (define-key km [(control down)]  'tabbar-forward-group)
-    (define-key km [(control prior)] 'tabbar-press-scroll-left)
-    (define-key km [(control next)]  'tabbar-press-scroll-right)
-    (define-key km [(control f10)]   'tabbar-local-mode)
-    km)
-  "The key bindings provided in Tabbar mode.")
-
-(defvar tabbar-mode-map
-  (let ((km (make-sparse-keymap)))
-    (define-key km tabbar-prefix-key tabbar-prefix-map)
-    km)
-  "Keymap to use in  Tabbar mode.")
-
-(defvar tabbar--global-hlf nil)
-
-;;;###autoload
-(define-minor-mode tabbar-mode
-  "Toggle display of a tab bar in the header line.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-
-\\{tabbar-mode-map}"
-  :group 'tabbar
-  :require 'tabbar
-  :global t
-  :keymap tabbar-mode-map
-  (if tabbar-mode
-;;; ON
-      (unless (tabbar-mode-on-p)
-        ;; Save current default value of `header-line-format'.
-        (setq tabbar--global-hlf (default-value 'header-line-format))
-        (tabbar-init-tabsets-store)
-        (setq-default header-line-format tabbar-header-line-format)
-	(if (fboundp 'tabbar-define-access-keys) (tabbar-define-access-keys)))
-;;; OFF
-    (when (tabbar-mode-on-p)
-      ;; Turn off Tabbar-Local mode globally.
-      (mapc #'(lambda (b)
-                (condition-case nil
-                    (with-current-buffer b
-                      (and tabbar-local-mode
-                           (tabbar-local-mode -1)))
-                  (error nil)))
-            (buffer-list))
-      ;; Restore previous `header-line-format'.
-      (setq-default header-line-format tabbar--global-hlf)
-      (tabbar-free-tabsets-store))
-    ))
-
-;;; Tabbar-Mwheel mode
-;;
-(defvar tabbar-mwheel-mode-map
-  (let ((km (make-sparse-keymap)))
-    (if (get 'mouse-wheel 'event-symbol-elements)
-        ;; Use one generic mouse wheel event
-        (define-key km [A-mouse-wheel]
-          'tabbar-mwheel-switch-group)
-      ;; Use separate up/down mouse wheel events
-      (let ((up   (tabbar--mwheel-key tabbar--mwheel-up-event))
-            (down (tabbar--mwheel-key tabbar--mwheel-down-event)))
-        (define-key km `[header-line ,down]
-          'tabbar-mwheel-backward-group)
-        (define-key km `[header-line ,up]
-          'tabbar-mwheel-forward-group)
-        (define-key km `[header-line (control ,down)]
-          'tabbar-mwheel-backward-tab)
-        (define-key km `[header-line (control ,up)]
-          'tabbar-mwheel-forward-tab)
-        (define-key km `[header-line (shift ,down)]
-          'tabbar-mwheel-backward)
-        (define-key km `[header-line (shift ,up)]
-          'tabbar-mwheel-forward)
-        ))
-    km)
-  "Keymap to use in Tabbar-Mwheel mode.")
-
-;;;###autoload
-(define-minor-mode tabbar-mwheel-mode
-  "Toggle use of the mouse wheel to navigate through tabs or groups.
-With prefix argument ARG, turn on if positive, otherwise off.
-Returns non-nil if the new state is enabled.
-
-\\{tabbar-mwheel-mode-map}"
-  :group 'tabbar
-  :require 'tabbar
-  :global t
-  :keymap tabbar-mwheel-mode-map
-  (when tabbar-mwheel-mode
-    (unless (and (boundp 'mouse-wheel-mode)
-                 mouse-wheel-mode
-                 tabbar-mode)
-      (tabbar-mwheel-mode -1))))
-
-(defun tabbar-mwheel-follow ()
-  "Toggle Tabbar-Mwheel following Tabbar and Mouse-Wheel modes."
-  (if (boundp 'mouse-wheel-mode)
-      (tabbar-mwheel-mode (if (and mouse-wheel-mode tabbar-mode) 1 -1))))
-
-(add-hook 'tabbar-mode-hook      'tabbar-mwheel-follow)
-(add-hook 'mouse-wheel-mode-hook 'tabbar-mwheel-follow)
-
-;;; Buffer tabs
-;;
-(defgroup tabbar-buffer nil
-  "Display buffers in the tab bar."
-  :group 'tabbar)
-
-(defcustom tabbar-buffer-home-button
-  (cons (cons "[+]" tabbar-home-button-enabled-image)
-        (cons "[-]" tabbar-home-button-disabled-image))
-  "The home button displayed when showing buffer tabs.
-The enabled button value is displayed when showing tabs for groups of
-buffers, and the disabled button value is displayed when showing
-buffer tabs.
-The variable `tabbar-button-widget' gives details on this widget."
-  :group 'tabbar-buffer
-  :type tabbar-button-widget
-  :set '(lambda (variable value)
-          (custom-set-default variable value)
-          ;; Schedule refresh of button value.
-          (setq tabbar-home-button-value nil)))
-
-(defvar tabbar-buffer-list-function 'tabbar-buffer-list
-  "Function that returns the list of buffers to show in tabs.
-That function is called with no arguments and must return a list of
-buffers.")
-
-(defvar tabbar-buffer-groups-function 'tabbar-buffer-groups
-  "Function that gives the group names the current buffer belongs to.
-It must return a list of group names, or nil if the buffer has no
-group.  Notice that it is better that a buffer belongs to one group.")
-
-(defun tabbar-buffer-list ()
-  "Return the list of buffers to show in tabs.
-Exclude buffers whose name starts with a space, when they are not
-visiting a file.  The current buffer is always included."
-  (delq nil
-        (mapcar #'(lambda (b)
-                    (cond
-                     ;; Always include the current buffer.
-                     ((eq (current-buffer) b) b)
-                     ((buffer-file-name b) b)
-                     ((char-equal ?\  (aref (buffer-name b) 0)) nil)
-                     ((buffer-live-p b) b)))
-                (buffer-list))))
-
-(defun tabbar-buffer-mode-derived-p (mode parents)
-  "Return non-nil if MODE derives from a mode in PARENTS."
-  (let (derived)
-    (while (and (not derived) mode)
-      (if (memq mode parents)
-          (setq derived t)
-        (setq mode (get mode 'derived-mode-parent))))
-    derived))
-
-(defun tabbar-buffer-groups ()
-  "Return the list of group names the current buffer belongs to.
-Return a list of one element based on major mode."
-  (list
-   (cond
-    ((or (get-buffer-process (current-buffer))
-         ;; Check if the major mode derives from `comint-mode' or
-         ;; `compilation-mode'.
-         (tabbar-buffer-mode-derived-p
-          major-mode '(comint-mode compilation-mode)))
-     "Process"
-     )
-    ((member (buffer-name)
-             '("*scratch*" "*Messages*"))
-     "Common"
-     )
-    ((eq major-mode 'dired-mode)
-     "Dired"
-     )
-    ((memq major-mode
-           '(help-mode apropos-mode Info-mode Man-mode))
-     "Help"
-     )
-    ((memq major-mode
-           '(rmail-mode
-             rmail-edit-mode vm-summary-mode vm-mode mail-mode
-             mh-letter-mode mh-show-mode mh-folder-mode
-             gnus-summary-mode message-mode gnus-group-mode
-             gnus-article-mode score-mode gnus-browse-killed-mode))
-     "Mail"
-     )
-    (t
-     ;; Return `mode-name' if not blank, `major-mode' otherwise.
-     (if (and (stringp mode-name)
-              ;; Take care of preserving the match-data because this
-              ;; function is called when updating the header line.
-              (save-match-data (string-match "[^ ]" mode-name)))
-         mode-name
-       (symbol-name major-mode))
-     ))))
-
-;;; Group buffers in tab sets.
-;;
-(defvar tabbar--buffers nil)
-
-(defun tabbar-buffer-update-groups ()
-  "Update tab sets from groups of existing buffers.
-Return the the first group where the current buffer is."
-  (let ((bl (sort
-             (mapcar
-	      ;; for each buffer, create list: buffer, buffer name, groups-list
-	      ;; sort on buffer name; store to bl (buffer list)
-              #'(lambda (b)
-                  (with-current-buffer b
-                    (list (current-buffer)
-                          (buffer-name)
-                          (if tabbar-buffer-groups-function
-                              (funcall tabbar-buffer-groups-function)
-                            '("Common")))))
-              (and tabbar-buffer-list-function
-                   (funcall tabbar-buffer-list-function)))
-             #'(lambda (e1 e2)
-                 (string-lessp (nth 1 e1) (nth 1 e2))))))
-    ;; If the cache has changed, update the tab sets.
-    (unless (equal bl tabbar--buffers)
-      ;; Add new buffers, or update changed ones.
-      (dolist (e bl) ;; loop through buffer list
-        (dolist (g (nth 2 e)) ;; for each member of groups-list for current buffer
-          (let ((tabset (tabbar-get-tabset g))) ;; get group from group name
-            (if tabset ;; if group exists
-		;; check if current buffer is same as any cached buffer
-		;; (search buffer list for matching buffer)
-                (unless (equal e (assq (car e) tabbar--buffers)) ;; if not,...
-                  ;; This is a new buffer, or a previously existing
-                  ;; buffer that has been renamed, or moved to another
-                  ;; group.  Update the tab set, and the display.
-                  (tabbar-add-tab tabset (car e) t) ;; add to end of tabset
-                  (tabbar-set-template tabset nil))
-	      ;;if tabset doesn't exist, make a new tabset with this buffer
-              (tabbar-make-tabset g (car e))))))
-      ;; Remove tabs for buffers not found in cache or moved to other
-      ;; groups, and remove empty tabsets.
-      (mapc 'tabbar-delete-tabset ;; delete each tabset named in following list:
-            (tabbar-map-tabsets ;; apply following function to each tabset:
-             #'(lambda (tabset)
-                 (dolist (tab (tabbar-tabs tabset)) ;; for each tab in tabset
-                   (let ((e (assq (tabbar-tab-value tab) bl))) ;; get buffer
-                     (or (and e (memq tabset ;; skip if buffer exists and tabset is a member of groups-list for this buffer
-                                      (mapcar 'tabbar-get-tabset
-                                              (nth 2 e))))
-                         (tabbar-delete-tab tab)))) ;; else remove tab from this set
-                 ;; Return empty tab sets
-                 (unless (tabbar-tabs tabset)
-                   tabset)))) ;; return list of tabsets, replacing non-empties with nil
-      ;; The new cache becomes the current one.
-      (setq tabbar--buffers bl)))
-  ;; Return the first group the current buffer belongs to.
-  (car (nth 2 (assq (current-buffer) tabbar--buffers))))
-
-;;; Tab bar callbacks
-;;
-(defvar tabbar--buffer-show-groups nil)
-
-(defsubst tabbar-buffer-show-groups (flag)
-  "Set display of tabs for groups of buffers to FLAG."
-  (setq tabbar--buffer-show-groups flag
-        ;; Redisplay the home button.
-        tabbar-home-button-value nil))
-
-(defun tabbar-buffer-tabs ()
-  "Return the buffers to display on the tab bar, in a tab set."
-  (let ((tabset (tabbar-get-tabset (tabbar-buffer-update-groups))))
-    (tabbar-select-tab-value (current-buffer) tabset)
-    (when tabbar--buffer-show-groups
-      (setq tabset (tabbar-get-tabsets-tabset))
-      (tabbar-select-tab-value (current-buffer) tabset))
-    tabset))
-
-(defun tabbar-buffer-button-label (name)
-  "Return a label for button NAME.
-That is a pair (ENABLED . DISABLED), where ENABLED and DISABLED are
-respectively the appearance of the button when enabled and disabled.
-They are propertized strings which could display images, as specified
-by the variable `tabbar-button-label'.
-When NAME is 'home, return a different ENABLED button if showing tabs
-or groups.  Call the function `tabbar-button-label' otherwise."
-  (let ((lab (tabbar-button-label name)))
-    (when (eq name 'home)
-      (let* ((btn tabbar-buffer-home-button)
-             (on  (tabbar-find-image (cdar btn)))
-             (off (tabbar-find-image (cddr btn))))
-        ;; When `tabbar-buffer-home-button' does not provide a value,
-        ;; default to the enabled value of `tabbar-home-button'.
-        (if on
-            (tabbar-normalize-image on 1)
-          (setq on (get-text-property 0 'display (car lab))))
-        (if off
-            (tabbar-normalize-image off 1)
-          (setq off (get-text-property 0 'display (car lab))))
-        (setcar lab
-                (if tabbar--buffer-show-groups
-                    (propertize (or (caar btn) (car lab)) 'display on)
-                  (propertize (or (cadr btn) (car lab)) 'display off)))
-        ))
-    lab))
-
-(defun tabbar-buffer-tab-label (tab)
-  "Return a label for TAB.
-That is, a string used to represent it on the tab bar."
-  (let ((label  (if tabbar--buffer-show-groups
-                    (format "[%s]" (tabbar-tab-tabset tab))
-                  (format "%s" (tabbar-tab-value tab)))))
-    ;; Unless the tab bar auto scrolls to keep the selected tab
-    ;; visible, shorten the tab label to keep as many tabs as possible
-    ;; in the visible area of the tab bar.
-    (if tabbar-auto-scroll-flag
-        label
-      (tabbar-shorten
-       label (max 1 (/ (window-width)
-                       (length (tabbar-view
-                                (tabbar-current-tabset)))))))))
-
-(defun tabbar-buffer-help-on-tab (tab)
-  "Return the help string shown when mouse is onto TAB."
-  (if tabbar--buffer-show-groups
-      (let* ((tabset (tabbar-tab-tabset tab))
-             (tab (tabbar-selected-tab tabset)))
-        (format "mouse-1: switch to buffer %S in group [%s]"
-                (buffer-name (tabbar-tab-value tab)) tabset))
-    (format "mouse-1: switch to buffer %S\n\
-mouse-2: pop to buffer, mouse-3: delete other windows"
-            (buffer-name (tabbar-tab-value tab)))
-    ))
-
-(defun tabbar-buffer-select-tab (event tab)
-  "On mouse EVENT, select TAB."
-  (let ((mouse-button (event-basic-type event))
-        (buffer (tabbar-tab-value tab)))
-    (cond
-     ((eq mouse-button 'mouse-2)
-      (pop-to-buffer buffer t))
-     ((eq mouse-button 'mouse-3)
-      (delete-other-windows))
-     (t
-      (switch-to-buffer buffer)))
-    ;; Don't show groups.
-    (tabbar-buffer-show-groups nil)
-    ))
-
-(defun tabbar-buffer-click-on-home (event)
-  "Handle a mouse click EVENT on the tab bar home button.
-mouse-1, toggle the display of tabs for groups of buffers.
-mouse-3, close the current buffer."
-  (let ((mouse-button (event-basic-type event)))
-    (cond
-     ((eq mouse-button 'mouse-1)
-      (tabbar-buffer-show-groups (not tabbar--buffer-show-groups)))
-     ((eq mouse-button 'mouse-3)
-      (kill-buffer nil))
-     )))
-
-(defun tabbar-buffer-help-on-home ()
-  "Return the help string shown when mouse is onto the toggle button."
-  (concat
-   (if tabbar--buffer-show-groups
-       "mouse-1: show buffers in selected group"
-     "mouse-1: show groups of buffers")
-   ", mouse-3: close current buffer"))
-
-(defun tabbar-buffer-track-killed ()
-  "Hook run just before actually killing a buffer.
-In Tabbar mode, try to switch to a buffer in the current tab bar,
-after the current buffer has been killed.  Try first the buffer in tab
-after the current one, then the buffer in tab before.  On success, put
-the sibling buffer in front of the buffer list, so it will be selected
-first."
-  (and (eq header-line-format tabbar-header-line-format)
-       (eq tabbar-current-tabset-function 'tabbar-buffer-tabs)
-       (eq (current-buffer) (window-buffer (selected-window)))
-       (let ((bl (tabbar-tab-values (tabbar-current-tabset)))
-             (b  (current-buffer))
-             found sibling)
-         (while (and bl (not found))
-           (if (eq b (car bl))
-               (setq found t)
-             (setq sibling (car bl)))
-           (setq bl (cdr bl)))
-         (when (and (setq sibling (or (car bl) sibling))
-                    (buffer-live-p sibling))
-           ;; Move sibling buffer in front of the buffer list.
-           (save-current-buffer
-             (switch-to-buffer sibling))))))
-
-;;; Tab bar buffer setup
-;;
-(defun tabbar-buffer-init ()
-  "Initialize tab bar buffer data.
-Run as `tabbar-init-hook'."
-  (setq tabbar--buffers nil
-        tabbar--buffer-show-groups nil
-        tabbar-current-tabset-function 'tabbar-buffer-tabs
-        tabbar-tab-label-function 'tabbar-buffer-tab-label
-        tabbar-select-tab-function 'tabbar-buffer-select-tab
-        tabbar-help-on-tab-function 'tabbar-buffer-help-on-tab
-        tabbar-button-label-function 'tabbar-buffer-button-label
-        tabbar-home-function 'tabbar-buffer-click-on-home
-        tabbar-home-help-function 'tabbar-buffer-help-on-home
-        )
-  (add-hook 'kill-buffer-hook 'tabbar-buffer-track-killed))
-
-(defun tabbar-buffer-quit ()
-  "Quit tab bar buffer.
-Run as `tabbar-quit-hook'."
-  (setq tabbar--buffers nil
-        tabbar--buffer-show-groups nil
-        tabbar-current-tabset-function nil
-        tabbar-tab-label-function nil
-        tabbar-select-tab-function nil
-        tabbar-help-on-tab-function nil
-        tabbar-button-label-function nil
-        tabbar-home-function nil
-        tabbar-home-help-function nil
-        )
-  (remove-hook 'kill-buffer-hook 'tabbar-buffer-track-killed))
-
-(add-hook 'tabbar-init-hook 'tabbar-buffer-init)
-(add-hook 'tabbar-quit-hook 'tabbar-buffer-quit)
-
-(provide 'tabbar)
-
-(run-hooks 'tabbar-load-hook)
-
-;;; tabbar.el ends here
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