el/dot-emacs.el: Add a `reverse-diff' option to Magit's diff popups.
[profile] / el / dot-emacs.el
index e843110..80fc05a 100644 (file)
@@ -52,6 +52,17 @@ This may be at the expense of cool features.")
           (debug 0))
   `',(make-regexp list))
 
+(defun mdw-wrong ()
+  "This is not the key sequence you're looking for."
+  (interactive)
+  (error "wrong button"))
+
+(defun mdw-emacs-version-p (major &optional minor)
+  "Return non-nil if the running Emacs is at least version MAJOR.MINOR."
+  (or (> emacs-major-version major)
+      (and (= emacs-major-version major)
+          (>= emacs-minor-version (or minor 0)))))
+
 ;; Some error trapping.
 ;;
 ;; If individual bits of this file go tits-up, we don't particularly want
@@ -91,6 +102,23 @@ This may be at the expense of cool features.")
                    (concat "(" (buffer-string) ")")))))))
   (cdr (assq sym mdw-config)))
 
+;; Width configuration.
+
+(defvar mdw-column-width
+  (string-to-number (or (mdw-config 'emacs-width) "77"))
+  "Width of Emacs columns.")
+(defvar mdw-text-width mdw-column-width
+  "Expected width of text within columns.")
+(put 'mdw-text-width 'safe-local-variable 'integerp)
+
+;; Local variables hacking.
+
+(defun run-local-vars-mode-hook ()
+  "Run a hook for the major-mode after local variables have been processed."
+  (run-hooks (intern (concat (symbol-name major-mode)
+                            "-local-variables-hook"))))
+(add-hook 'hack-local-variables-hook 'run-local-vars-mode-hook)
+
 ;; Set up the load path convincingly.
 
 (dolist (dir (append (and (boundp 'debian-emacs-flavor)
@@ -124,6 +152,14 @@ library."
   (and (library-exists-p file)
        (autoload symbol file docstring interactivep type)))
 
+(defun mdw-kick-menu-bar (&optional frame)
+  "Regenerate FRAME's menu bar so it doesn't have empty menus."
+  (interactive)
+  (unless frame (setq frame (selected-frame)))
+  (let ((old (frame-parameter frame 'menu-bar-lines)))
+    (set-frame-parameter frame 'menu-bar-lines 0)
+    (set-frame-parameter frame 'menu-bar-lines old)))
+
 ;; Splitting windows.
 
 (unless (fboundp 'scroll-bar-columns)
@@ -137,25 +173,42 @@ library."
          ((eq side 'left) 1)
          (t 2))))
 
+(defun mdw-horizontal-window-overhead ()
+  "Computes the horizontal window overhead.
+This is the number of columns used by fringes, scroll bars and other such
+cruft."
+  (if (not window-system)
+      1
+    (let ((tot 0))
+      (dolist (what '(scroll-bar fringe))
+       (dolist (side '(left right))
+         (incf tot (funcall (intern (concat (symbol-name what) "-columns"))
+                            side))))
+      tot)))
+
+(defun mdw-split-window-horizontally (&optional width)
+  "Split a window horizontally.
+Without a numeric argument, split the window approximately in
+half.  With a numeric argument WIDTH, allocate WIDTH columns to
+the left-hand window (if positive) or -WIDTH columns to the
+right-hand window (if negative).  Space for scroll bars and
+fringes is not taken out of the allowance for WIDTH, unlike
+\\[split-window-horizontally]."
+  (interactive "P")
+  (split-window-horizontally
+   (cond ((null width) nil)
+        ((>= width 0) (+ width (mdw-horizontal-window-overhead)))
+        ((< width 0) width))))
+
 (defun mdw-divvy-window (&optional width)
   "Split a wide window into appropriate widths."
   (interactive "P")
   (setq width (cond (width (prefix-numeric-value width))
-                   ((and window-system
-                         (>= emacs-major-version 22))
-                    77)
-                   (t 78)))
+                   ((and window-system (mdw-emacs-version-p 22))
+                    mdw-column-width)
+                   (t (1+ mdw-column-width))))
   (let* ((win (selected-window))
-        (sb-width (if (not window-system)
-                      1
-                    (let ((tot 0))
-                      (dolist (what '(scroll-bar fringe))
-                        (dolist (side '(left right))
-                          (incf tot
-                                (funcall (intern (concat (symbol-name what)
-                                                         "-columns"))
-                                         side))))
-                      tot)))
+        (sb-width (mdw-horizontal-window-overhead))
         (c (/ (+ (window-width) sb-width)
               (+ width sb-width))))
     (while (> c 1)
@@ -164,8 +217,89 @@ library."
       (other-window 1))
     (select-window win)))
 
+;; Don't raise windows unless I say so.
+
+(defvar mdw-inhibit-raise-frame nil
+  "*Whether `raise-frame' should do nothing when the frame is mapped.")
+
+(defadvice raise-frame
+    (around mdw-inhibit (&optional frame) activate compile)
+  "Don't actually do anything if `mdw-inhibit-raise-frame' is true, and the
+frame is actually mapped on the screen."
+  (if mdw-inhibit-raise-frame
+      (make-frame-visible frame)
+    ad-do-it))
+
+(defmacro mdw-advise-to-inhibit-raise-frame (function)
+  "Advise the FUNCTION not to raise frames, even if it wants to."
+  `(defadvice ,function
+       (around mdw-inhibit-raise (&rest hunoz) activate compile)
+     "Don't raise the window unless you have to."
+     (let ((mdw-inhibit-raise-frame t))
+       ad-do-it)))
+
+(mdw-advise-to-inhibit-raise-frame select-frame-set-input-focus)
+(mdw-advise-to-inhibit-raise-frame appt-disp-window)
+
+;; Bug fix for markdown-mode, which breaks point positioning during
+;; `query-replace'.
+(defadvice markdown-check-change-for-wiki-link
+    (around mdw-save-match activate compile)
+  "Save match data around the `markdown-mode' `after-change-functions' hook."
+  (save-match-data ad-do-it))
+
+;; Bug fix for `bbdb-canonicalize-address': on Emacs 24, `run-hook-with-args'
+;; always returns nil, with the result that all email addresses are lost.
+;; Replace the function entirely.
+(defadvice bbdb-canonicalize-address
+    (around mdw-bug-fix activate compile)
+  "Don't use `run-hook-with-args', because that doesn't work."
+  (let ((net (ad-get-arg 0)))
+
+    ;; Make sure this is a proper hook list.
+    (if (functionp bbdb-canonicalize-net-hook)
+       (setq bbdb-canonicalize-net-hook (list bbdb-canonicalize-net-hook)))
+
+    ;; Iterate over the hooks until things converge.
+    (let ((donep nil))
+      (while (not donep)
+       (let (next (changep nil)
+             hook (hooks bbdb-canonicalize-net-hook))
+         (while hooks
+           (setq hook (pop hooks))
+           (setq next (funcall hook net))
+           (if (not (equal next net))
+               (setq changep t
+                     net next)))
+         (setq donep (not changep)))))
+    (setq ad-return-value net)))
+
+;; Transient mark mode hacks.
+
+(defadvice exchange-point-and-mark
+    (around mdw-highlight (&optional arg) activate compile)
+  "Maybe don't actually exchange point and mark.
+If `transient-mark-mode' is on and the mark is inactive, then
+just activate it.  A non-trivial prefix argument will force the
+usual behaviour.  A trivial prefix argument (i.e., just C-u) will
+activate the mark and temporarily enable `transient-mark-mode' if
+it's currently off."
+  (cond ((or mark-active
+            (and (not transient-mark-mode) (not arg))
+            (and arg (or (not (consp arg))
+                         (not (= (car arg) 4)))))
+        ad-do-it)
+       (t
+        (or transient-mark-mode (setq transient-mark-mode 'only))
+        (set-mark (mark t)))))
+
 ;; Functions for sexp diary entries.
 
+(defun mdw-not-org-mode (form)
+  "As FORM, but not in Org mode agenda."
+  (and (not mdw-diary-for-org-mode-p)
+       (eval form)))
+
 (defun mdw-weekday (l)
   "Return non-nil if `date' falls on one of the days of the week in L.
 L is a list of day numbers (from 0 to 6 for Sunday through to
@@ -177,6 +311,50 @@ function returns non-nil."
        (memq (nth d '(sunday monday tuesday wednesday
                              thursday friday saturday)) l))))
 
+(defun mdw-discordian-date (date)
+  "Return the Discordian calendar date corresponding to DATE.
+
+The return value is (YOLD . st-tibs-day) or (YOLD SEASON DAYNUM DOW).
+
+The original is by David Pearson.  I modified it to produce date components
+as output rather than a string."
+  (let* ((days ["Sweetmorn" "Boomtime" "Pungenday"
+               "Prickle-Prickle" "Setting Orange"])
+        (months ["Chaos" "Discord" "Confusion"
+                 "Bureaucracy" "Aftermath"])
+        (day-count [0 31 59 90 120 151 181 212 243 273 304 334])
+        (year (- (extract-calendar-year date) 1900))
+        (month (1- (extract-calendar-month date)))
+        (day (1- (extract-calendar-day date)))
+        (julian (+ (aref day-count month) day))
+        (dyear (+ year 3066)))
+    (if (and (= month 1) (= day 28))
+       (cons dyear 'st-tibs-day)
+      (list dyear
+           (aref months (floor (/ julian 73)))
+           (1+ (mod julian 73))
+           (aref days (mod julian 5))))))
+
+(defun mdw-diary-discordian-date ()
+  "Convert the date in `date' to a string giving the Discordian date."
+  (let* ((ddate (mdw-discordian-date date))
+        (tail (format "in the YOLD %d" (car ddate))))
+    (if (eq (cdr ddate) 'st-tibs-day)
+       (format "St Tib's Day %s" tail)
+      (let ((season (cadr ddate))
+           (daynum (caddr ddate))
+           (dayname (cadddr ddate)))
+      (format "%s, the %d%s day of %s %s"
+             dayname
+             daynum
+             (let ((ldig (mod daynum 10)))
+               (cond ((= ldig 1) "st")
+                     ((= ldig 2) "nd")
+                     ((= ldig 3) "rd")
+                     (t "th")))
+             season
+             tail)))))
+
 (defun mdw-todo (&optional when)
   "Return non-nil today, or on WHEN, whichever is later."
   (let ((w (calendar-absolute-from-gregorian (calendar-current-date)))
@@ -196,6 +374,52 @@ function returns non-nil."
                                (nth 2 when))))))))
     (eq w d)))
 
+(defvar mdw-diary-for-org-mode-p nil)
+
+(defadvice org-agenda-list (around mdw-preserve-links activate)
+  (let ((mdw-diary-for-org-mode-p t))
+    ad-do-it))
+
+(defadvice diary-add-to-list (before mdw-trim-leading-space compile activate)
+  "Trim leading space from the diary entry string."
+  (save-match-data
+    (let ((str (ad-get-arg 1))
+         (done nil) old)
+      (while (not done)
+       (setq old str)
+       (setq str (cond ((null str) nil)
+                       ((string-match "\\(^\\|\n\\)[ \t]+" str)
+                        (replace-match "\\1" nil nil str))
+                       ((and mdw-diary-for-org-mode-p
+                             (string-match (concat
+                                            "\\(^\\|\n\\)"
+                                            "\\(" diary-time-regexp
+                                            "\\(-" diary-time-regexp "\\)?"
+                                            "\\)"
+                                            "\\(\t[ \t]*\\| [ \t]+\\)")
+                                           str))
+                        (replace-match "\\1\\2 " nil nil str))
+                       ((and (not mdw-diary-for-org-mode-p)
+                             (string-match "\\[\\[[^][]*]\\[\\([^][]*\\)]]"
+                                           str))
+                        (replace-match "\\1" nil nil str))
+                       (t str)))
+       (if (equal str old) (setq done t)))
+      (ad-set-arg 1 str))))
+
+(defadvice org-bbdb-anniversaries (after mdw-fixup-list compile activate)
+  "Return a string rather than a list."
+  (with-temp-buffer
+    (let ((anyp nil))
+      (dolist (e (let ((ee ad-return-value))
+                  (if (atom ee) (list ee) ee)))
+       (when e
+         (when anyp (insert ?\n))
+         (insert e)
+         (setq anyp t)))
+      (setq ad-return-value
+           (and anyp (buffer-string))))))
+
 ;; Fighting with Org-mode's evil key maps.
 
 (defvar mdw-evil-keymap-keys
@@ -248,6 +472,48 @@ Evil key bindings are defined in `mdw-evil-keymap-keys'."
             ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
           org-export-latex-classes)))
 
+(setq org-export-docbook-xslt-proc-command "xsltproc --output %o %s %i"
+      org-export-docbook-xsl-fo-proc-command "fop %i.safe %o"
+      org-export-docbook-xslt-stylesheet
+      "/usr/share/xml/docbook/stylesheet/docbook-xsl/fo/docbook.xsl")
+
+;; Some hacks to do with window placement.
+
+(defun mdw-clobber-other-windows-showing-buffer (buffer-or-name)
+  "Arrange that no windows on other frames are showing BUFFER-OR-NAME."
+  (interactive "bBuffer: ")
+  (let ((home-frame (selected-frame))
+       (buffer (get-buffer buffer-or-name))
+       (safe-buffer (get-buffer "*scratch*")))
+    (mapc (lambda (frame)
+           (or (eq frame home-frame)
+               (mapc (lambda (window)
+                       (and (eq (window-buffer window) buffer)
+                            (set-window-buffer window safe-buffer)))
+                     (window-list frame))))
+         (frame-list))))
+
+(defvar mdw-inhibit-walk-windows nil
+  "If non-nil, then `walk-windows' does nothing.
+This is used by advice on `switch-to-buffer-other-frame' to inhibit finding
+buffers in random frames.")
+
+(defadvice walk-windows (around mdw-inhibit activate)
+  "If `mdw-inhibit-walk-windows' is non-nil, then do nothing."
+  (and (not mdw-inhibit-walk-windows)
+       ad-do-it))
+
+(defadvice switch-to-buffer-other-frame
+    (around mdw-always-new-frame activate)
+  "Always make a new frame.
+Even if an existing window in some random frame looks tempting."
+  (let ((mdw-inhibit-walk-windows t)) ad-do-it))
+
+(defadvice display-buffer (before mdw-inhibit-other-frames activate)
+  "Don't try to do anything fancy with other frames.
+Pretend they don't exist.  They might be on other display devices."
+  (ad-set-arg 2 nil))
+
 ;;;--------------------------------------------------------------------------
 ;;; Mail and news hacking.
 
@@ -321,6 +587,30 @@ so that it can be used for convenient filtering."
          (setenv "REAL_MOVEMAIL" try))
       (setq path (cdr path)))))
 
+;; AUTHINFO GENERIC kludge.
+
+(defvar nntp-authinfo-generic nil
+  "Set to the `NNTPAUTH' string to pass on to `authinfo-kludge'.
+
+Use this to arrange for per-server settings.")
+
+(defun nntp-open-authinfo-kludge (buffer)
+  "Open a connection to SERVER using `authinfo-kludge'."
+  (let ((proc (start-process "nntpd" buffer
+                            "env" (concat "NNTPAUTH="
+                                          (or nntp-authinfo-generic
+                                              (getenv "NNTPAUTH")
+                                              (error "NNTPAUTH unset")))
+                            "authinfo-kludge" nntp-address)))
+    (set-buffer buffer)
+    (nntp-wait-for-string "^\r*200")
+    (beginning-of-line)
+    (delete-region (point-min) (point))
+    proc))
+
+(eval-after-load "erc"
+    '(load "~/.ercrc.el"))
+
 ;;;--------------------------------------------------------------------------
 ;;; Utility functions.
 
@@ -349,7 +639,6 @@ probably become garbage."
                          (car alists)
                          (cdr alists)))))
 
-
 (defun mdw-do-uniquify (done end l rest)
   "A helper function for mdw-uniquify-alist.
 The DONE argument is a list whose first element is `nil'.  It
@@ -419,6 +708,22 @@ in REST."
              (insert "\nNP: ")
              (insert-file-contents np-file)))))
 
+(defun mdw-version-< (ver-a ver-b)
+  "Answer whether VER-A is strictly earlier than VER-B.
+VER-A and VER-B are version numbers, which are strings containing digit
+sequences separated by `.'."
+  (let* ((la (mapcar (lambda (x) (car (read-from-string x)))
+                    (split-string ver-a "\\.")))
+        (lb (mapcar (lambda (x) (car (read-from-string x)))
+                    (split-string ver-b "\\."))))
+    (catch 'done
+      (while t
+       (cond ((null la) (throw 'done lb))
+             ((null lb) (throw 'done nil))
+             ((< (car la) (car lb)) (throw 'done t))
+             ((= (car la) (car lb)) (setq la (cdr la) lb (cdr lb)))
+             (t (throw 'done nil)))))))
+
 (defun mdw-check-autorevert ()
   "Sets global-auto-revert-ignore-buffer appropriately for this buffer.
 This takes into consideration whether it's been found using
@@ -483,9 +788,10 @@ If NEW-SESSION-P, start a new session."
        (select-window window)))))
 
 (defvar mdw-good-url-browsers
-  '((w3m . mdw-w3m-browse-url)
-    browse-url-w3
-    browse-url-mozilla)
+  '(browse-url-mozilla
+    browse-url-generic
+    (w3m . mdw-w3m-browse-url)
+    browse-url-w3)
   "List of good browsers for mdw-good-url-browsers.
 Each item is a browser function name, or a cons (CHECK . FUNC).
 A symbol FOO stands for (FOO . FOO).")
@@ -505,6 +811,42 @@ CHECK is fboundp, and returning the correponding FUNC."
          (setq answer func)))
     answer))
 
+(eval-after-load "w3m-search"
+  '(progn
+     (dolist
+        (item
+         '(("g" "Google" "http://www.google.co.uk/search?q=%s")
+           ("gd" "Google Directory"
+            "http://www.google.com/search?cat=gwd/Top&q=%s")
+           ("gg" "Google Groups" "http://groups.google.com/groups?q=%s")
+           ("ward" "Ward's wiki" "http://c2.com/cgi/wiki?%s")
+           ("gi" "Images" "http://images.google.com/images?q=%s")
+           ("rfc" "RFC"
+            "http://metalzone.distorted.org.uk/ftp/pub/mirrors/rfc/rfc%s.txt.gz")
+           ("wp" "Wikipedia"
+            "http://en.wikipedia.org/wiki/Special:Search?go=Go&search=%s")
+           ("imdb" "IMDb" "http://www.imdb.com/Find?%s")
+           ("nc-wiki" "nCipher wiki"
+            "http://wiki.ncipher.com/wiki/bin/view/Devel/?topic=%s")
+           ("map" "Google maps" "http://maps.google.co.uk/maps?q=%s&hl=en")
+           ("lp" "Launchpad bug by number"
+            "https://bugs.launchpad.net/bugs/%s")
+           ("lppkg" "Launchpad bugs by package"
+            "https://bugs.launchpad.net/%s")
+           ("msdn" "MSDN"
+            "http://social.msdn.microsoft.com/Search/en-GB/?query=%s&ac=8")
+           ("debbug" "Debian bug by number"
+            "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%s")
+           ("debbugpkg" "Debian bugs by package"
+            "http://bugs.debian.org/cgi-bin/pkgreport.cgi?pkg=%s")
+           ("ljlogin" "LJ login" "http://www.livejournal.com/login.bml")))
+       (add-to-list 'w3m-search-engine-alist
+                   (list (cadr item) (caddr item) nil))
+       (add-to-list 'w3m-uri-replace-alist
+                   (list (concat "\\`" (car item) ":")
+                         'w3m-search-uri-replace
+                         (cadr item))))))
+
 ;;;--------------------------------------------------------------------------
 ;;; Paragraph filling.
 
@@ -529,7 +871,7 @@ It in turn is a list of things:
 
 (defvar mdw-hanging-indents
   (concat "\\(\\("
-           "\\([*o]\\|-[-#]?\\|[0-9]+\\.\\|\\[[0-9]+\\]\\|([a-zA-Z])\\)"
+           "\\([*o+]\\|-[-#]?\\|[0-9]+\\.\\|\\[[0-9]+\\]\\|([a-zA-Z])\\)"
            "[ \t]+"
          "\\)?\\)")
   "*Standard regexp matching parts of a hanging indent.
@@ -541,21 +883,15 @@ This is mainly useful in `auto-fill-mode'.")
 
 ;; Utility functions.
 
-(defun mdw-tabify (s)
-  "Tabify the string S.  This is a horrid hack."
-  (save-excursion
-    (save-match-data
-      (let (start end)
-       (beginning-of-line)
-       (setq start (point-marker))
+(defun mdw-maybe-tabify (s)
+  "Tabify or untabify the string S, according to `indent-tabs-mode'."
+  (let ((tabfun (if indent-tabs-mode #'tabify #'untabify)))
+    (with-temp-buffer
+      (save-match-data
        (insert s "\n")
-       (setq end (point-marker))
-       (tabify start end)
-       (setq s (buffer-substring start (1- end)))
-       (delete-region start end)
-       (set-marker start nil)
-       (set-marker end nil)
-       s))))
+       (let ((start (point-min)) (end (point-max)))
+         (funcall tabfun (point-min) (point-max))
+         (setq s (buffer-substring (point-min) (1- (point-max)))))))))
 
 (defun mdw-examine-fill-prefixes (l)
   "Given a list of dynamic fill prefixes, pick one which matches
@@ -563,9 +899,9 @@ context and return the static fill prefix to use.  Point must be
 at the start of a line, and match data must be saved."
   (cond ((not l) nil)
               ((looking-at (car (car l)))
-               (mdw-tabify (apply (function concat)
-                                  (mapcar (function mdw-do-prefix-match)
-                                          (cdr (car l))))))
+               (mdw-maybe-tabify (apply #'concat
+                                        (mapcar #'mdw-do-prefix-match
+                                                (cdr (car l))))))
               (t (mdw-examine-fill-prefixes (cdr l)))))
 
 (defun mdw-maybe-car (p)
@@ -630,6 +966,17 @@ case."
 (defvar mdw-auto-indent t
   "Whether to indent automatically after a newline.")
 
+(defun mdw-whitespace-mode (&optional arg)
+  "Turn on/off whitespace mode, but don't highlight trailing space."
+  (interactive "P")
+  (when (and (boundp 'whitespace-style)
+            (fboundp 'whitespace-mode))
+    (let ((whitespace-style (remove 'trailing whitespace-style)))
+      (whitespace-mode arg))
+    (setq show-trailing-whitespace whitespace-mode)))
+
+(defvar mdw-do-misc-mode-hacking nil)
+
 (defun mdw-misc-mode-config ()
   (and mdw-auto-indent
        (cond ((eq major-mode 'lisp-mode)
@@ -639,20 +986,44 @@ case."
              nil)
             (t
              (local-set-key "\C-m" 'newline-and-indent))))
+  (set (make-local-variable 'mdw-do-misc-mode-hacking) t)
   (local-set-key [C-return] 'newline)
-  (make-variable-buffer-local 'page-delimiter)
+  (make-local-variable 'page-delimiter)
   (setq page-delimiter "\f\\|^.*-\\{6\\}.*$")
   (setq comment-column 40)
   (auto-fill-mode 1)
-  (setq fill-column 77)
-  (setq show-trailing-whitespace t)
+  (setq fill-column mdw-text-width)
   (and (fboundp 'gtags-mode)
        (gtags-mode))
-  (outline-minor-mode t)
-  (hs-minor-mode t)
+  (if (fboundp 'hs-minor-mode)
+      (trap (hs-minor-mode t))
+    (outline-minor-mode t))
   (reveal-mode t)
   (trap (turn-on-font-lock)))
 
+(defun mdw-post-local-vars-misc-mode-config ()
+  (setq whitespace-line-column mdw-text-width)
+  (when (and mdw-do-misc-mode-hacking
+            (not buffer-read-only))
+    (setq show-trailing-whitespace t)
+    (mdw-whitespace-mode 1)))
+(add-hook 'hack-local-variables-hook 'mdw-post-local-vars-misc-mode-config)
+
+(defmacro mdw-advise-update-angry-fruit-salad (&rest funcs)
+  `(progn ,@(mapcar (lambda (func)
+                     `(defadvice ,func
+                          (after mdw-angry-fruit-salad activate)
+                        (when mdw-do-misc-mode-hacking
+                          (setq show-trailing-whitespace
+                                (not buffer-read-only))
+                          (mdw-whitespace-mode (if buffer-read-only 0 1)))))
+                   funcs)))
+(mdw-advise-update-angry-fruit-salad toggle-read-only
+                                    read-only-mode
+                                    view-mode
+                                    view-mode-enable
+                                    view-mode-disable)
+
 (eval-after-load 'gtags
   '(progn
      (dolist (key '([mouse-2] [mouse-3]))
@@ -684,52 +1055,179 @@ doesn't match any of the regular expressions in
           answer))))
 (setq backup-enable-predicate 'mdw-backup-enable-predicate)
 
+;; Frame cleanup.
+
+(defun mdw-last-one-out-turn-off-the-lights (frame)
+  "Disconnect from an X display if this was the last frame on that display."
+  (let ((frame-display (frame-parameter frame 'display)))
+    (when (and frame-display
+              (eq window-system 'x)
+              (not (some (lambda (fr)
+                           (and (not (eq fr frame))
+                                (string= (frame-parameter fr 'display)
+                                         frame-display)))
+                         (frame-list))))
+      (run-with-idle-timer 0 nil #'x-close-connection frame-display))))
+(add-hook 'delete-frame-functions 'mdw-last-one-out-turn-off-the-lights)
+
+;;;--------------------------------------------------------------------------
+;;; Where is point?
+
+(defvar mdw-point-overlay
+  (let ((ov (make-overlay 0 0))
+       (s "."))
+    (overlay-put ov 'priority 2)
+    (put-text-property 0 1 'display '(left-fringe vertical-bar) s)
+    (overlay-put ov 'before-string s)
+    (delete-overlay ov)
+    ov)
+  "An overlay used for showing where point is in the selected window.")
+
+(defun mdw-remove-point-overlay ()
+  "Remove the current-point overlay."
+  (delete-overlay mdw-point-overlay))
+
+(defun mdw-update-point-overlay ()
+  "Mark the current point position with an overlay."
+  (if (not mdw-point-overlay-mode)
+      (mdw-remove-point-overlay)
+    (overlay-put mdw-point-overlay 'window (selected-window))
+    (if (bolp)
+       (move-overlay mdw-point-overlay
+                     (point) (1+ (point)) (current-buffer))
+      (move-overlay mdw-point-overlay
+                   (1- (point)) (point) (current-buffer)))))
+
+(defvar mdw-point-overlay-buffers nil
+  "List of buffers using `mdw-point-overlay-mode'.")
+
+(define-minor-mode mdw-point-overlay-mode
+  "Indicate current line with an overlay."
+  :global nil
+  (let ((buffer (current-buffer)))
+    (setq mdw-point-overlay-buffers
+         (mapcan (lambda (buf)
+                   (if (and (buffer-live-p buf)
+                            (not (eq buf buffer)))
+                       (list buf)))
+                 mdw-point-overlay-buffers))
+    (if mdw-point-overlay-mode
+       (setq mdw-point-overlay-buffers
+             (cons buffer mdw-point-overlay-buffers))))
+  (cond (mdw-point-overlay-buffers
+        (add-hook 'pre-command-hook 'mdw-remove-point-overlay)
+        (add-hook 'post-command-hook 'mdw-update-point-overlay))
+       (t
+        (mdw-remove-point-overlay)
+        (remove-hook 'pre-command-hook 'mdw-remove-point-overlay)
+        (remove-hook 'post-command-hook 'mdw-update-point-overlay))))
+
+(define-globalized-minor-mode mdw-global-point-overlay-mode
+  mdw-point-overlay-mode
+  (lambda () (if (not (minibufferp)) (mdw-point-overlay-mode t))))
+
+;;;--------------------------------------------------------------------------
+;;; Fullscreen-ness.
+
+(defvar mdw-full-screen-parameters
+  '((menu-bar-lines . 0)
+    ;(vertical-scroll-bars . nil)
+    )
+  "Frame parameters to set when making a frame fullscreen.")
+
+(defvar mdw-full-screen-save
+  '(width height)
+  "Extra frame parameters to save when setting fullscreen.")
+
+(defun mdw-toggle-full-screen (&optional frame)
+  "Show the FRAME fullscreen."
+  (interactive)
+  (when window-system
+    (cond ((frame-parameter frame 'fullscreen)
+          (set-frame-parameter frame 'fullscreen nil)
+          (modify-frame-parameters
+           nil
+           (or (frame-parameter frame 'mdw-full-screen-saved)
+               (mapcar (lambda (assoc)
+                         (assq (car assoc) default-frame-alist))
+                       mdw-full-screen-parameters))))
+         (t
+          (let ((saved (mapcar (lambda (param)
+                                 (cons param (frame-parameter frame param)))
+                               (append (mapcar #'car
+                                               mdw-full-screen-parameters)
+                                       mdw-full-screen-save))))
+            (set-frame-parameter frame 'mdw-full-screen-saved saved))
+          (modify-frame-parameters frame mdw-full-screen-parameters)
+          (set-frame-parameter frame 'fullscreen 'fullboth)))))
+
 ;;;--------------------------------------------------------------------------
 ;;; General fontification.
 
+(make-face 'mdw-virgin-face)
+
 (defmacro mdw-define-face (name &rest body)
   "Define a face, and make sure it's actually set as the definition."
   (declare (indent 1)
           (debug 0))
   `(progn
-     (make-face ',name)
+     (copy-face 'mdw-virgin-face ',name)
      (defvar ,name ',name)
      (put ',name 'face-defface-spec ',body)
      (face-spec-set ',name ',body nil)))
 
 (mdw-define-face default
   (((type w32)) :family "courier new" :height 85)
-  (((type x)) :family "6x13" :height 130)
-  (t :foreground "white" :background "black"))
+  (((type x)) :family "6x13" :foundry "trad" :height 130)
+  (((type color)) :foreground "white" :background "black")
+  (t nil))
 (mdw-define-face fixed-pitch
   (((type w32)) :family "courier new" :height 85)
-  (((type x)) :family "6x13" :height 130)
+  (((type x)) :family "6x13" :foundry "trad" :height 130)
   (t :foreground "white" :background "black"))
-(if (>= emacs-major-version 23)
+(if (mdw-emacs-version-p 23)
     (mdw-define-face variable-pitch
       (((type x)) :family "sans" :height 100))
   (mdw-define-face variable-pitch
-    (((type x)) :family "helvetica" :height 120)))
+    (((type x)) :family "helvetica" :height 90)))
 (mdw-define-face region
-  (((type tty)) :background "blue") (t :background "grey30"))
+  (((type tty) (class color)) :background "blue")
+  (((type tty) (class mono)) :inverse-video t)
+  (t :background "grey30"))
+(mdw-define-face match
+  (((type tty) (class color)) :background "blue")
+  (((type tty) (class mono)) :inverse-video t)
+  (t :background "blue"))
+(mdw-define-face mc/cursor-face
+  (((type tty) (class mono)) :inverse-video t)
+  (t :background "red"))
 (mdw-define-face minibuffer-prompt
   (t :weight bold))
 (mdw-define-face mode-line
-  (t :foreground "blue" :background "yellow"
-     :box (:line-width 1 :style released-button)))
+  (((class color)) :foreground "blue" :background "yellow"
+                  :box (:line-width 1 :style released-button))
+  (t :inverse-video t))
 (mdw-define-face mode-line-inactive
-  (t :foreground "yellow" :background "blue"
-     :box (:line-width 1 :style released-button)))
+  (((class color)) :foreground "yellow" :background "blue"
+                  :box (:line-width 1 :style released-button))
+  (t :inverse-video t))
+(mdw-define-face nobreak-space
+  (((type tty)))
+  (t :inherit escape-glyph :underline t))
 (mdw-define-face scroll-bar
   (t :foreground "black" :background "lightgrey"))
 (mdw-define-face fringe
   (t :foreground "yellow"))
 (mdw-define-face show-paren-match
-  (t :background "darkgreen"))
+  (((class color)) :background "darkgreen")
+  (t :underline t))
 (mdw-define-face show-paren-mismatch
-  (t :background "red"))
+  (((class color)) :background "red")
+  (t :inverse-video t))
 (mdw-define-face highlight
-  (t :background "DarkSeaGreen4"))
+  (((type x) (class color)) :background "DarkSeaGreen4")
+  (((type tty) (class color)) :background "cyan")
+  (t :inverse-video t))
 
 (mdw-define-face holiday-face
   (t :background "red"))
@@ -739,14 +1237,26 @@ doesn't match any of the regular expressions in
 (mdw-define-face comint-highlight-prompt
   (t :weight bold))
 (mdw-define-face comint-highlight-input
-  (t :slant italic))
+  (t nil))
+
+(mdw-define-face dired-directory
+  (t :foreground "cyan" :weight bold))
+(mdw-define-face dired-symlink
+  (t :foreground "cyan"))
+(mdw-define-face dired-perm-write
+  (t nil))
 
 (mdw-define-face trailing-whitespace
-  (t :background "red"))
+  (((class color)) :background "red")
+  (t :inverse-video t))
+(mdw-define-face whitespace-line
+  (((class color)) :background "darkred")
+  (t :inverse-video t))
 (mdw-define-face mdw-punct-face
   (((type tty)) :foreground "yellow") (t :foreground "burlywood2"))
 (mdw-define-face mdw-number-face
   (t :foreground "yellow"))
+(mdw-define-face mdw-trivial-face)
 (mdw-define-face font-lock-function-name-face
   (t :slant italic))
 (mdw-define-face font-lock-keyword-face
@@ -755,45 +1265,90 @@ doesn't match any of the regular expressions in
   (t :slant italic))
 (mdw-define-face font-lock-builtin-face
   (t :weight bold))
+(mdw-define-face font-lock-type-face
+  (t :weight bold :slant italic))
 (mdw-define-face font-lock-reference-face
   (t :weight bold))
 (mdw-define-face font-lock-variable-name-face
   (t :slant italic))
 (mdw-define-face font-lock-comment-delimiter-face
-  (default :slant italic)
-  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+  (((class mono)) :weight bold)
+  (((type tty) (class color)) :foreground "green")
+  (t :slant italic :foreground "SeaGreen1"))
 (mdw-define-face font-lock-comment-face
-  (default :slant italic)
-  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+  (((class mono)) :weight bold)
+  (((type tty) (class color)) :foreground "green")
+  (t :slant italic :foreground "SeaGreen1"))
 (mdw-define-face font-lock-string-face
-  (t :foreground "SkyBlue1"))
+  (((class mono)) :weight bold)
+  (((class color)) :foreground "SkyBlue1"))
 
 (mdw-define-face message-separator
   (t :background "red" :foreground "white" :weight bold))
 (mdw-define-face message-cited-text
   (default :slant italic)
-  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+  (((type tty)) :foreground "cyan") (t :foreground "SkyBlue1"))
 (mdw-define-face message-header-cc
-  (default :weight bold)
+  (default :slant italic)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-newsgroups
-  (default :weight bold)
+  (default :slant italic)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-subject
-  (default :weight bold)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-to
-  (default :weight bold)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-xheader
-  (default :weight bold)
+  (default :slant italic)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-other
-  (default :weight bold)
+  (default :slant italic)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 (mdw-define-face message-header-name
+  (default :weight bold)
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+
+(mdw-define-face which-func
+  (t nil))
+
+(mdw-define-face gnus-header-name
+  (default :weight bold)
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+(mdw-define-face gnus-header-subject
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+(mdw-define-face gnus-header-from
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+(mdw-define-face gnus-header-to
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+(mdw-define-face gnus-header-content
+  (default :slant italic)
   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
 
+(mdw-define-face gnus-cite-1
+  (((type tty)) :foreground "cyan") (t :foreground "SkyBlue1"))
+(mdw-define-face gnus-cite-2
+  (((type tty)) :foreground "blue") (t :foreground "RoyalBlue2"))
+(mdw-define-face gnus-cite-3
+  (((type tty)) :foreground "magenta") (t :foreground "MediumOrchid"))
+(mdw-define-face gnus-cite-4
+  (((type tty)) :foreground "red") (t :foreground "firebrick2"))
+(mdw-define-face gnus-cite-5
+  (((type tty)) :foreground "yellow") (t :foreground "burlywood2"))
+(mdw-define-face gnus-cite-6
+  (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
+(mdw-define-face gnus-cite-7
+  (((type tty)) :foreground "cyan") (t :foreground "SlateBlue1"))
+(mdw-define-face gnus-cite-8
+  (((type tty)) :foreground "blue") (t :foreground "RoyalBlue2"))
+(mdw-define-face gnus-cite-9
+  (((type tty)) :foreground "magenta") (t :foreground "purple2"))
+(mdw-define-face gnus-cite-10
+  (((type tty)) :foreground "red") (t :foreground "DarkOrange2"))
+(mdw-define-face gnus-cite-11
+  (t :foreground "grey"))
+
+(mdw-define-face diff-header
+  (t nil))
 (mdw-define-face diff-index
   (t :weight bold))
 (mdw-define-face diff-file-header
@@ -808,13 +1363,91 @@ doesn't match any of the regular expressions in
   (t :foreground "green"))
 (mdw-define-face diff-removed
   (t :foreground "red"))
-(mdw-define-face diff-context)
+(mdw-define-face diff-context
+  (t nil))
+(mdw-define-face diff-refine-change
+  (((class color) (type x)) :background "RoyalBlue4")
+  (t :underline t))
+(mdw-define-face diff-refine-removed
+  (((class color) (type x)) :background "#500")
+  (t :underline t))
+(mdw-define-face diff-refine-added
+  (((class color) (type x)) :background "#050")
+  (t :underline t))
+
+(setq ediff-force-faces t)
+(mdw-define-face ediff-current-diff-A
+  (((class color) (type x)) :background "darkred")
+  (((class color) (type tty)) :background "red")
+  (t :inverse-video t))
+(mdw-define-face ediff-fine-diff-A
+  (((class color) (type x)) :background "red3")
+  (((class color) (type tty)) :inverse-video t)
+  (t :inverse-video nil))
+(mdw-define-face ediff-even-diff-A
+  (((class color) (type x)) :background "#300"))
+(mdw-define-face ediff-odd-diff-A
+  (((class color) (type x)) :background "#300"))
+(mdw-define-face ediff-current-diff-B
+  (((class color) (type x)) :background "darkgreen")
+  (((class color) (type tty)) :background "magenta")
+  (t :inverse-video t))
+(mdw-define-face ediff-fine-diff-B
+  (((class color) (type x)) :background "green4")
+  (((class color) (type tty)) :inverse-video t)
+  (t :inverse-video nil))
+(mdw-define-face ediff-even-diff-B
+  (((class color) (type x)) :background "#020"))
+(mdw-define-face ediff-odd-diff-B
+  (((class color) (type x)) :background "#020"))
+(mdw-define-face ediff-current-diff-C
+  (((class color) (type x)) :background "darkblue")
+  (((class color) (type tty)) :background "blue")
+  (t :inverse-video t))
+(mdw-define-face ediff-fine-diff-C
+  (((class color) (type x)) :background "blue1")
+  (((class color) (type tty)) :inverse-video t)
+  (t :inverse-video nil))
+(mdw-define-face ediff-even-diff-C
+  (((class color) (type x)) :background "#004"))
+(mdw-define-face ediff-odd-diff-C
+  (((class color) (type x)) :background "#004"))
+(mdw-define-face ediff-current-diff-Ancestor
+  (((class color) (type x)) :background "#630")
+  (((class color) (type tty)) :background "blue")
+  (t :inverse-video t))
+(mdw-define-face ediff-even-diff-Ancestor
+  (((class color) (type x)) :background "#320"))
+(mdw-define-face ediff-odd-diff-Ancestor
+  (((class color) (type x)) :background "#320"))
+
+(mdw-define-face dylan-header-background
+  (((class color) (type x)) :background "NavyBlue")
+  (t :background "blue"))
+
+(mdw-define-face erc-input-face
+  (t :foreground "red"))
 
 (mdw-define-face woman-bold
   (t :weight bold))
 (mdw-define-face woman-italic
   (t :slant italic))
 
+(eval-after-load "rst"
+  '(progn
+     (mdw-define-face rst-level-1-face
+       (t :foreground "SkyBlue1" :weight bold))
+     (mdw-define-face rst-level-2-face
+       (t :foreground "SeaGreen1" :weight bold))
+     (mdw-define-face rst-level-3-face
+       (t :weight bold))
+     (mdw-define-face rst-level-4-face
+       (t :slant italic))
+     (mdw-define-face rst-level-5-face
+       (t :underline t))
+     (mdw-define-face rst-level-6-face
+       ())))
+
 (mdw-define-face p4-depot-added-face
   (t :foreground "green"))
 (mdw-define-face p4-depot-branch-op-face
@@ -834,25 +1467,32 @@ doesn't match any of the regular expressions in
 (mdw-define-face p4-diff-ins-face
   (t :foreground "green"))
 
+(mdw-define-face w3m-anchor-face
+  (t :foreground "SkyBlue1" :underline t))
+(mdw-define-face w3m-arrived-anchor-face
+  (t :foreground "SkyBlue1" :underline t))
+
 (mdw-define-face whizzy-slice-face
   (t :background "grey10"))
 (mdw-define-face whizzy-error-face
   (t :background "darkred"))
 
+;; Ellipses used to indicate hidden text (and similar).
+(mdw-define-face mdw-ellipsis-face
+  (((type tty)) :foreground "blue") (t :foreground "grey60"))
+(let ((dollar (make-glyph-code ?$ 'mdw-ellipsis-face))
+      (backslash (make-glyph-code ?\\ 'mdw-ellipsis-face))
+      (dot (make-glyph-code ?. 'mdw-ellipsis-face))
+      (bar (make-glyph-code ?| mdw-ellipsis-face)))
+  (set-display-table-slot standard-display-table 0 dollar)
+  (set-display-table-slot standard-display-table 1 backslash)
+  (set-display-table-slot standard-display-table 4
+                         (vector dot dot dot))
+  (set-display-table-slot standard-display-table 5 bar))
+
 ;;;--------------------------------------------------------------------------
 ;;; C programming configuration.
 
-;; Linux kernel hacking.
-
-(defvar linux-c-mode-hook)
-
-(defun linux-c-mode ()
-  (interactive)
-  (c-mode)
-  (setq major-mode 'linux-c-mode)
-  (setq mode-name "Linux C")
-  (run-hooks 'linux-c-mode-hook))
-
 ;; Make C indentation nice.
 
 (defun mdw-c-lineup-arglist (langelem)
@@ -871,27 +1511,108 @@ doesn't match any of the regular expressions in
        c-basic-offset
       nil)))
 
-(defun mdw-c-style ()
-  (c-add-style "[mdw] C and C++ style"
-              '((c-basic-offset . 2)
-                (comment-column . 40)
-                (c-class-key . "class")
-                (c-backslash-column . 72)
-                (c-offsets-alist
-                 (substatement-open . (add 0 c-indent-one-line-block))
-                 (defun-open . (add 0 c-indent-one-line-block))
-                 (arglist-cont-nonempty . mdw-c-lineup-arglist)
-                 (topmost-intro . mdw-c-indent-extern-mumble)
-                 (cpp-define-intro . 0)
-                 (inextern-lang . [0])
-                 (label . 0)
-                 (case-label . +)
-                 (access-label . -)
-                 (inclass . +)
-                 (inline-open . ++)
-                 (statement-cont . 0)
-                 (statement-case-intro . +)))
-              t))
+(defun mdw-c-indent-arglist-nested (langelem)
+  "Indent continued argument lists.
+If we've nested more than one argument list, then only introduce a single
+indentation anyway."
+  (let ((context c-syntactic-context)
+       (pos (c-langelem-2nd-pos c-syntactic-element))
+       (should-indent-p t))
+    (while (and context
+               (eq (caar context) 'arglist-cont-nonempty))
+      (when (and (= (caddr (pop context)) pos)
+                context
+                (memq (caar context) '(arglist-intro
+                                       arglist-cont-nonempty)))
+       (setq should-indent-p nil)))
+    (if should-indent-p '+ 0)))
+
+(defvar mdw-define-c-styles-hook nil
+  "Hook run when `cc-mode' starts up to define styles.")
+
+(defmacro mdw-define-c-style (name &rest assocs)
+  "Define a C style, called NAME (a symbol), setting ASSOCs.
+A function, named `mdw-define-c-style/NAME', is defined to actually install
+the style using `c-add-style', and added to the hook
+`mdw-define-c-styles-hook'.  If CC Mode is already loaded, then the style is
+set."
+  (declare (indent defun))
+  (let* ((name-string (symbol-name name))
+        (func (intern (concat "mdw-define-c-style/" name-string))))
+    `(progn
+       (defun ,func () (c-add-style ,name-string ',assocs))
+       (and (featurep 'cc-mode) (,func))
+       (add-hook 'mdw-define-c-styles-hook ',func))))
+
+(eval-after-load "cc-mode"
+  '(run-hooks 'mdw-define-c-styles-hook))
+
+(mdw-define-c-style mdw-trustonic-c
+  (c-basic-offset . 4)
+  (comment-column . 0)
+  (c-indent-comment-alist (anchored-comment . (column . 0))
+                         (end-block . (space . 1))
+                         (cpp-end-block . (space . 1))
+                         (other . (space . 1)))
+  (c-class-key . "class")
+  (c-backslash-column . 0)
+  (c-auto-align-backslashes . nil)
+  (c-label-minimum-indentation . 0)
+  (c-offsets-alist (substatement-open . (add 0 c-indent-one-line-block))
+                  (defun-open . (add 0 c-indent-one-line-block))
+                  (arglist-cont-nonempty . mdw-c-indent-arglist-nested)
+                  (topmost-intro . mdw-c-indent-extern-mumble)
+                  (cpp-define-intro . 0)
+                  (knr-argdecl . 0)
+                  (inextern-lang . [0])
+                  (label . 0)
+                  (case-label . +)
+                  (access-label . -2)
+                  (inclass . +)
+                  (inline-open . ++)
+                  (statement-cont . +)
+                  (statement-case-intro . +)))
+
+(mdw-define-c-style mdw-c
+  (c-basic-offset . 2)
+  (comment-column . 40)
+  (c-class-key . "class")
+  (c-backslash-column . 72)
+  (c-label-minimum-indentation . 0)
+  (c-offsets-alist (substatement-open . (add 0 c-indent-one-line-block))
+                  (defun-open . (add 0 c-indent-one-line-block))
+                  (arglist-cont-nonempty . mdw-c-lineup-arglist)
+                  (topmost-intro . mdw-c-indent-extern-mumble)
+                  (cpp-define-intro . 0)
+                  (knr-argdecl . 0)
+                  (inextern-lang . [0])
+                  (label . 0)
+                  (case-label . +)
+                  (access-label . -)
+                  (inclass . +)
+                  (inline-open . ++)
+                  (statement-cont . +)
+                  (statement-case-intro . +)))
+
+(defun mdw-set-default-c-style (modes style)
+  "Update the default CC Mode style for MODES to be STYLE.
+
+MODES may be a list of major mode names or a singleton.  STYLE is a style
+name, as a symbol."
+  (let ((modes (if (listp modes) modes (list modes)))
+       (style (symbol-name style)))
+    (setq c-default-style
+         (append (mapcar (lambda (mode)
+                           (cons mode style))
+                         modes)
+                 (remove-if (lambda (assoc)
+                              (memq (car assoc) modes))
+                            (if (listp c-default-style)
+                                c-default-style
+                              (list (cons 'other c-default-style))))))))
+(setq c-default-style "mdw-c")
+
+(mdw-set-default-c-style '(c-mode c++-mode) 'mdw-c)
 
 (defvar mdw-c-comment-fill-prefix
   `((,(concat "\\([ \t]*/?\\)"
@@ -910,81 +1631,87 @@ doesn't match any of the regular expressions in
   (modify-syntax-entry ?\n "> b")
 
   ;; Other stuff.
-  (mdw-c-style)
-  (setq c-hanging-comment-ender-p nil)
-  (setq c-backslash-column 72)
-  (setq c-label-minimum-indentation 0)
   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
 
   ;; Now define things to be fontified.
   (make-local-variable 'font-lock-keywords)
   (let ((c-keywords
-        (mdw-regexps "and"             ;C++
-                     "and_eq"          ;C++
-                     "asm"             ;K&R, GCC
-                     "auto"            ;K&R, C89
-                     "bitand"          ;C++
-                     "bitor"           ;C++
-                     "bool"            ;C++, C9X macro
-                     "break"           ;K&R, C89
-                     "case"            ;K&R, C89
-                     "catch"           ;C++
-                     "char"            ;K&R, C89
-                     "class"           ;C++
-                     "complex"         ;C9X macro, C++ template type
-                     "compl"           ;C++
-                     "const"           ;C89
-                     "const_cast"      ;C++
-                     "continue"        ;K&R, C89
-                     "defined"         ;C89 preprocessor
-                     "default"         ;K&R, C89
-                     "delete"          ;C++
-                     "do"              ;K&R, C89
-                     "double"          ;K&R, C89
-                     "dynamic_cast"    ;C++
-                     "else"            ;K&R, C89
-                     ;; "entry"        ;K&R -- never used
-                     "enum"            ;C89
-                     "explicit"        ;C++
-                     "export"          ;C++
-                     "extern"          ;K&R, C89
-                     "false"           ;C++, C9X macro
-                     "float"           ;K&R, C89
-                     "for"             ;K&R, C89
-                     ;; "fortran"      ;K&R
-                     "friend"          ;C++
-                     "goto"            ;K&R, C89
-                     "if"              ;K&R, C89
-                     "imaginary"       ;C9X macro
-                     "inline"          ;C++, C9X, GCC
-                     "int"             ;K&R, C89
-                     "long"            ;K&R, C89
-                     "mutable"         ;C++
-                     "namespace"       ;C++
-                     "new"             ;C++
-                     "operator"        ;C++
-                     "or"              ;C++
-                     "or_eq"           ;C++
-                     "private"         ;C++
-                     "protected"       ;C++
-                     "public"          ;C++
-                     "register"        ;K&R, C89
+        (mdw-regexps "alignas"          ;C11 macro, C++11
+                     "alignof"          ;C++11
+                     "and"              ;C++, C95 macro
+                     "and_eq"           ;C++, C95 macro
+                     "asm"              ;K&R, C++, GCC
+                     "atomic"           ;C11 macro, C++11 template type
+                     "auto"             ;K&R, C89
+                     "bitand"           ;C++, C95 macro
+                     "bitor"            ;C++, C95 macro
+                     "bool"             ;C++, C99 macro
+                     "break"            ;K&R, C89
+                     "case"             ;K&R, C89
+                     "catch"            ;C++
+                     "char"             ;K&R, C89
+                     "char16_t"         ;C++11, C11 library type
+                     "char32_t"         ;C++11, C11 library type
+                     "class"            ;C++
+                     "complex"          ;C99 macro, C++ template type
+                     "compl"            ;C++, C95 macro
+                     "const"            ;C89
+                     "constexpr"        ;C++11
+                     "const_cast"       ;C++
+                     "continue"         ;K&R, C89
+                     "decltype"         ;C++11
+                     "defined"          ;C89 preprocessor
+                     "default"          ;K&R, C89
+                     "delete"           ;C++
+                     "do"               ;K&R, C89
+                     "double"           ;K&R, C89
+                     "dynamic_cast"     ;C++
+                     "else"             ;K&R, C89
+                     ;; "entry"         ;K&R -- never used
+                     "enum"             ;C89
+                     "explicit"         ;C++
+                     "export"           ;C++
+                     "extern"           ;K&R, C89
+                     "float"            ;K&R, C89
+                     "for"              ;K&R, C89
+                     ;; "fortran"       ;K&R
+                     "friend"           ;C++
+                     "goto"             ;K&R, C89
+                     "if"               ;K&R, C89
+                     "imaginary"        ;C99 macro
+                     "inline"           ;C++, C99, GCC
+                     "int"              ;K&R, C89
+                     "long"             ;K&R, C89
+                     "mutable"          ;C++
+                     "namespace"        ;C++
+                     "new"              ;C++
+                     "noexcept"         ;C++11
+                     "noreturn"         ;C11 macro
+                     "not"              ;C++, C95 macro
+                     "not_eq"           ;C++, C95 macro
+                     "nullptr"          ;C++11
+                     "operator"         ;C++
+                     "or"               ;C++, C95 macro
+                     "or_eq"            ;C++, C95 macro
+                     "private"          ;C++
+                     "protected"        ;C++
+                     "public"           ;C++
+                     "register"         ;K&R, C89
                      "reinterpret_cast" ;C++
-                     "restrict"         ;C9X
+                     "restrict"         ;C99
                      "return"           ;K&R, C89
                      "short"            ;K&R, C89
                      "signed"           ;C89
                      "sizeof"           ;K&R, C89
                      "static"           ;K&R, C89
+                     "static_assert"    ;C11 macro, C++11
                      "static_cast"      ;C++
                      "struct"           ;K&R, C89
                      "switch"           ;K&R, C89
                      "template"         ;C++
-                     "this"             ;C++
                      "throw"            ;C++
-                     "true"             ;C++, C9X macro
                      "try"              ;C++
-                     "this"             ;C++
+                     "thread_local"     ;C11 macro, C++11
                      "typedef"          ;C89
                      "typeid"           ;C++
                      "typeof"           ;GCC
@@ -997,12 +1724,19 @@ doesn't match any of the regular expressions in
                      "volatile"         ;C89
                      "wchar_t"          ;C++, C89 library type
                      "while"            ;K&R, C89
-                     "xor"              ;C++
-                     "xor_eq"           ;C++
-                     "_Bool"            ;C9X
-                     "_Complex"         ;C9X
-                     "_Imaginary"       ;C9X
-                     "_Pragma"          ;C9X preprocessor
+                     "xor"              ;C++, C95 macro
+                     "xor_eq"           ;C++, C95 macro
+                     "_Alignas"         ;C11
+                     "_Alignof"         ;C11
+                     "_Atomic"          ;C11
+                     "_Bool"            ;C99
+                     "_Complex"         ;C99
+                     "_Generic"         ;C11
+                     "_Imaginary"       ;C99
+                     "_Noreturn"        ;C11
+                     "_Pragma"          ;C99 preprocessor
+                     "_Static_assert"   ;C11
+                     "_Thread_local"    ;C11
                      "__alignof__"      ;GCC
                      "__asm__"          ;GCC
                      "__attribute__"    ;GCC
@@ -1017,6 +1751,11 @@ doesn't match any of the regular expressions in
                      "__typeof__"       ;GCC
                      "__volatile__"     ;GCC
                      ))
+       (c-constants
+        (mdw-regexps "false"            ;C++, C99 macro
+                     "this"             ;C++
+                     "true"             ;C++, C99 macro
+                     ))
        (preprocessor-keywords
         (mdw-regexps "assert" "define" "elif" "else" "endif" "error"
                      "ident" "if" "ifdef" "ifndef" "import" "include"
@@ -1048,6 +1787,9 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" c-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          (list (concat "\\<\\(" c-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; This looks strange, I know.  It corresponds to the
@@ -1064,12 +1806,8 @@ doesn't match any of the regular expressions in
 ;;;--------------------------------------------------------------------------
 ;;; AP calc mode.
 
-(defun apcalc-mode ()
-  (interactive)
-  (c-mode)
-  (setq major-mode 'apcalc-mode)
-  (setq mode-name "AP Calc")
-  (run-hooks 'apcalc-mode-hook))
+(define-derived-mode apcalc-mode c-mode "AP Calc"
+  "Major mode for editing Calc code.")
 
 (defun mdw-fontify-apcalc ()
 
@@ -1078,9 +1816,6 @@ doesn't match any of the regular expressions in
   (modify-syntax-entry ?/ ". 14")
 
   ;; Other stuff.
-  (mdw-c-style)
-  (setq c-hanging-comment-ender-p nil)
-  (setq c-backslash-column 72)
   (setq comment-start "/* ")
   (setq comment-end " */")
   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
@@ -1118,25 +1853,22 @@ doesn't match any of the regular expressions in
 
 ;; Make indentation nice.
 
-(defun mdw-java-style ()
-  (c-add-style "[mdw] Java style"
-              '((c-basic-offset . 2)
-                (c-offsets-alist (substatement-open . 0)
-                                 (label . +)
-                                 (case-label . +)
-                                 (access-label . 0)
-                                 (inclass . +)
-                                 (statement-case-intro . +)))
-              t))
+(mdw-define-c-style mdw-java
+  (c-basic-offset . 2)
+  (c-backslash-column . 72)
+  (c-offsets-alist (substatement-open . 0)
+                  (label . +)
+                  (case-label . +)
+                  (access-label . 0)
+                  (inclass . +)
+                  (statement-case-intro . +)))
+(mdw-set-default-c-style 'java-mode 'mdw-java)
 
 ;; Declare Java fontification style.
 
 (defun mdw-fontify-java ()
 
   ;; Other stuff.
-  (mdw-java-style)
-  (setq c-hanging-comment-ender-p nil)
-  (setq c-backslash-column 72)
   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
 
   ;; Now define things to be fontified.
@@ -1148,11 +1880,11 @@ doesn't match any of the regular expressions in
                      "for" "goto" "if" "implements" "import" "instanceof"
                      "int" "interface" "long" "native" "new" "package"
                      "private" "protected" "public" "return" "short"
-                     "static" "super" "switch" "synchronized" "this"
-                     "throw" "throws" "transient" "try" "void" "volatile"
-                     "while"
+                     "static" "switch" "synchronized" "throw" "throws"
+                     "transient" "try" "void" "volatile" "while"))
 
-                     "false" "null" "true")))
+       (java-constants
+        (mdw-regexps "false" "null" "super" "this" "true")))
 
     (setq font-lock-keywords
          (list
@@ -1161,6 +1893,10 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" java-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          ;; Handle the magic constants defined above.
+          (list (concat "\\<\\(" java-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; The following isn't quite right, but it's close enough.
@@ -1176,50 +1912,178 @@ doesn't match any of the regular expressions in
                 '(0 mdw-punct-face))))))
 
 ;;;--------------------------------------------------------------------------
+;;; Javascript programming configuration.
+
+(defun mdw-javascript-style ()
+  (setq js-indent-level 2)
+  (setq js-expr-indent-offset 0))
+
+(defun mdw-fontify-javascript ()
+
+  ;; Other stuff.
+  (mdw-javascript-style)
+  (setq js-auto-indent-flag t)
+
+  ;; Now define things to be fontified.
+  (make-local-variable 'font-lock-keywords)
+  (let ((javascript-keywords
+        (mdw-regexps "abstract" "boolean" "break" "byte" "case" "catch"
+                     "char" "class" "const" "continue" "debugger" "default"
+                     "delete" "do" "double" "else" "enum" "export" "extends"
+                     "final" "finally" "float" "for" "function" "goto" "if"
+                     "implements" "import" "in" "instanceof" "int"
+                     "interface" "let" "long" "native" "new" "package"
+                     "private" "protected" "public" "return" "short"
+                     "static" "super" "switch" "synchronized" "throw"
+                     "throws" "transient" "try" "typeof" "var" "void"
+                     "volatile" "while" "with" "yield"
+
+                     "boolean" "byte" "char" "double" "float" "int" "long"
+                     "short" "void"))
+       (javascript-constants
+        (mdw-regexps "false" "null" "undefined" "Infinity" "NaN" "true"
+                     "arguments" "this")))
+
+    (setq font-lock-keywords
+         (list
+
+          ;; Handle the keywords defined above.
+          (list (concat "\\_<\\(" javascript-keywords "\\)\\_>")
+                '(0 font-lock-keyword-face))
+
+          ;; Handle the predefined constants defined above.
+          (list (concat "\\_<\\(" javascript-constants "\\)\\_>")
+                '(0 font-lock-variable-name-face))
+
+          ;; Handle numbers too.
+          ;;
+          ;; The following isn't quite right, but it's close enough.
+          (list (concat "\\_<\\("
+                        "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
+                        "[0-9]+\\(\\.[0-9]*\\|\\)"
+                        "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
+                        "[lLfFdD]?")
+                '(0 mdw-number-face))
+
+          ;; And anything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face))))))
+
+;;;--------------------------------------------------------------------------
+;;; Scala programming configuration.
+
+(defun mdw-fontify-scala ()
+
+  ;; Comment filling.
+  (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
+
+  ;; Define things to be fontified.
+  (make-local-variable 'font-lock-keywords)
+  (let ((scala-keywords
+        (mdw-regexps "abstract" "case" "catch" "class" "def" "do" "else"
+                     "extends" "final" "finally" "for" "forSome" "if"
+                     "implicit" "import" "lazy" "match" "new" "object"
+                     "override" "package" "private" "protected" "return"
+                     "sealed" "throw" "trait" "try" "type" "val"
+                     "var" "while" "with" "yield"))
+       (scala-constants
+        (mdw-regexps "false" "null" "super" "this" "true"))
+       (punctuation "[-!%^&*=+:@#~/?\\|`]"))
+
+    (setq font-lock-keywords
+         (list
+
+          ;; Magical identifiers between backticks.
+          (list (concat "`\\([^`]+\\)`")
+                '(1 font-lock-variable-name-face))
+
+          ;; Handle the keywords defined above.
+          (list (concat "\\_<\\(" scala-keywords "\\)\\_>")
+                '(0 font-lock-keyword-face))
+
+          ;; Handle the constants defined above.
+          (list (concat "\\_<\\(" scala-constants "\\)\\_>")
+                '(0 font-lock-variable-name-face))
+
+          ;; Magical identifiers between backticks.
+          (list (concat "`\\([^`]+\\)`")
+                '(1 font-lock-variable-name-face))
+
+          ;; Handle numbers too.
+          ;;
+          ;; As usual, not quite right.
+          (list (concat "\\_<\\("
+                        "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
+                        "[0-9]+\\(\\.[0-9]*\\|\\)"
+                        "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
+                        "[lLfFdD]?")
+                '(0 mdw-number-face))
+
+          ;; Identifiers with trailing operators.
+          (list (concat "_\\(" punctuation "\\)+")
+                '(0 mdw-trivial-face))
+
+          ;; And everything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face)))
+
+         font-lock-syntactic-keywords
+         (list
+
+          ;; Single quotes around characters.  But not when used to quote
+          ;; symbol names.  Ugh.
+          (list (concat "\\('\\)"
+                        "\\(" "."
+                        "\\|" "\\\\" "\\(" "\\\\\\\\" "\\)*"
+                              "u+" "[0-9a-fA-F]\\{4\\}"
+                        "\\|" "\\\\" "[0-7]\\{1,3\\}"
+                        "\\|" "\\\\" "." "\\)"
+                        "\\('\\)")
+                '(1 "\"")
+                '(4 "\""))))))
+
+;;;--------------------------------------------------------------------------
 ;;; C# programming configuration.
 
 ;; Make indentation nice.
 
-(defun mdw-csharp-style ()
-  (c-add-style "[mdw] C# style"
-              '((c-basic-offset . 2)
-                (c-offsets-alist (substatement-open . 0)
-                                 (label . 0)
-                                 (case-label . +)
-                                 (access-label . 0)
-                                 (inclass . +)
-                                 (statement-case-intro . +)))
-              t))
+(mdw-define-c-style mdw-csharp
+  (c-basic-offset . 2)
+  (c-backslash-column . 72)
+  (c-offsets-alist (substatement-open . 0)
+                  (label . 0)
+                  (case-label . +)
+                  (access-label . 0)
+                  (inclass . +)
+                  (statement-case-intro . +)))
+(mdw-set-default-c-style 'csharp-mode 'mdw-csharp)
 
 ;; Declare C# fontification style.
 
 (defun mdw-fontify-csharp ()
 
   ;; Other stuff.
-  (mdw-csharp-style)
-  (setq c-hanging-comment-ender-p nil)
-  (setq c-backslash-column 72)
   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
 
   ;; Now define things to be fontified.
   (make-local-variable 'font-lock-keywords)
   (let ((csharp-keywords
-        (mdw-regexps "abstract" "as" "base" "bool" "break"
-                     "byte" "case" "catch" "char" "checked"
-                     "class" "const" "continue" "decimal" "default"
-                     "delegate" "do" "double" "else" "enum"
-                     "event" "explicit" "extern" "false" "finally"
-                     "fixed" "float" "for" "foreach" "goto"
-                     "if" "implicit" "in" "int" "interface"
-                     "internal" "is" "lock" "long" "namespace"
-                     "new" "null" "object" "operator" "out"
-                     "override" "params" "private" "protected" "public"
-                     "readonly" "ref" "return" "sbyte" "sealed"
-                     "short" "sizeof" "stackalloc" "static" "string"
-                     "struct" "switch" "this" "throw" "true"
-                     "try" "typeof" "uint" "ulong" "unchecked"
-                     "unsafe" "ushort" "using" "virtual" "void"
-                     "volatile" "while" "yield")))
+        (mdw-regexps "abstract" "as" "bool" "break" "byte" "case" "catch"
+                     "char" "checked" "class" "const" "continue" "decimal"
+                     "default" "delegate" "do" "double" "else" "enum"
+                     "event" "explicit" "extern" "finally" "fixed" "float"
+                     "for" "foreach" "goto" "if" "implicit" "in" "int"
+                     "interface" "internal" "is" "lock" "long" "namespace"
+                     "new" "object" "operator" "out" "override" "params"
+                     "private" "protected" "public" "readonly" "ref"
+                     "return" "sbyte" "sealed" "short" "sizeof"
+                     "stackalloc" "static" "string" "struct" "switch"
+                     "throw" "try" "typeof" "uint" "ulong" "unchecked"
+                     "unsafe" "ushort" "using" "virtual" "void" "volatile"
+                     "while" "yield"))
+
+       (csharp-constants
+        (mdw-regexps "base" "false" "null" "this" "true")))
 
     (setq font-lock-keywords
          (list
@@ -1228,6 +2092,10 @@ doesn't match any of the regular expressions in
           (list (concat "\\<\\(" csharp-keywords "\\)\\>")
                 '(0 font-lock-keyword-face))
 
+          ;; Handle the magic constants defined above.
+          (list (concat "\\<\\(" csharp-constants "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
           ;; Handle numbers too.
           ;;
           ;; The following isn't quite right, but it's close enough.
@@ -1246,25 +2114,280 @@ doesn't match any of the regular expressions in
   "Major mode for editing C# code.")
 
 ;;;--------------------------------------------------------------------------
+;;; F# programming configuration.
+
+(setq fsharp-indent-offset 2)
+
+(defun mdw-fontify-fsharp ()
+
+  (let ((punct "=<>+-*/|&%!@?"))
+    (do ((i 0 (1+ i)))
+       ((>= i (length punct)))
+      (modify-syntax-entry (aref punct i) ".")))
+
+  (modify-syntax-entry ?_ "_")
+  (modify-syntax-entry ?( "(")
+  (modify-syntax-entry ?) ")")
+
+  (setq indent-tabs-mode nil)
+
+  (let ((fsharp-keywords
+        (mdw-regexps "abstract" "and" "as" "assert" "atomic"
+                     "begin" "break"
+                     "checked" "class" "component" "const" "constraint"
+                     "constructor" "continue"
+                     "default" "delegate" "do" "done" "downcast" "downto"
+                     "eager" "elif" "else" "end" "exception" "extern"
+                     "finally" "fixed" "for" "fori" "fun" "function"
+                     "functor"
+                     "global"
+                     "if" "in" "include" "inherit" "inline" "interface"
+                     "internal"
+                     "lazy" "let"
+                     "match" "measure" "member" "method" "mixin" "module"
+                     "mutable"
+                     "namespace" "new"
+                     "object" "of" "open" "or" "override"
+                     "parallel" "params" "private" "process" "protected"
+                     "public" "pure"
+                     "rec" "recursive" "return"
+                     "sealed" "sig" "static" "struct"
+                     "tailcall" "then" "to" "trait" "try" "type"
+                     "upcast" "use"
+                     "val" "virtual" "void" "volatile"
+                     "when" "while" "with"
+                     "yield"))
+
+       (fsharp-builtins
+        (mdw-regexps "asr" "land" "lor" "lsl" "lsr" "lxor" "mod"
+                     "base" "false" "null" "true"))
+
+       (bang-keywords
+        (mdw-regexps "do" "let" "return" "use" "yield"))
+
+       (preprocessor-keywords
+        (mdw-regexps "if" "indent" "else" "endif")))
+
+    (setq font-lock-keywords
+         (list (list (concat "\\(^\\|[^\"]\\)"
+                             "\\(" "(\\*"
+                                   "[^*]*\\*+"
+                                   "\\(" "[^)*]" "[^*]*" "\\*+" "\\)*"
+                                   ")"
+                             "\\|"
+                                   "//.*"
+                             "\\)")
+                     '(2 font-lock-comment-face))
+
+               (list (concat "'" "\\("
+                                   "\\\\"
+                                   "\\(" "[ntbr'\\]"
+                                   "\\|" "[0-9][0-9][0-9]"
+                                   "\\|" "u" "[0-9a-fA-F]\\{4\\}"
+                                   "\\|" "U" "[0-9a-fA-F]\\{8\\}"
+                                   "\\)"
+                                 "\\|"
+                                 "." "\\)" "'"
+                             "\\|"
+                             "\"" "[^\"\\]*"
+                                   "\\(" "\\\\" "\\(.\\|\n\\)"
+                                         "[^\"\\]*" "\\)*"
+                             "\\(\"\\|\\'\\)")
+                     '(0 font-lock-string-face))
+
+               (list (concat "\\_<\\(" bang-keywords "\\)!" "\\|"
+                             "^#[ \t]*\\(" preprocessor-keywords "\\)\\_>"
+                             "\\|"
+                             "\\_<\\(" fsharp-keywords "\\)\\_>")
+                     '(0 font-lock-keyword-face))
+               (list (concat "\\<\\(" fsharp-builtins "\\)\\_>")
+                     '(0 font-lock-variable-name-face))
+
+               (list (concat "\\_<"
+                             "\\(" "0[bB][01]+" "\\|"
+                                   "0[oO][0-7]+" "\\|"
+                                   "0[xX][0-9a-fA-F]+" "\\)"
+                             "\\(" "lf\\|LF" "\\|"
+                                   "[uU]?[ysnlL]?" "\\)"
+                             "\\|"
+                             "\\_<"
+                             "[0-9]+" "\\("
+                               "[mMQRZING]"
+                               "\\|"
+                               "\\(\\.[0-9]*\\)?"
+                               "\\([eE][-+]?[0-9]+\\)?"
+                               "[fFmM]?"
+                               "\\|"
+                               "[uU]?[ysnlL]?"
+                             "\\)")
+                     '(0 mdw-number-face))
+
+               (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                     '(0 mdw-punct-face))))))
+
+(defun mdw-fontify-inferior-fsharp ()
+  (mdw-fontify-fsharp)
+  (setq font-lock-keywords
+       (append (list (list "^[#-]" '(0 font-lock-comment-face))
+                     (list "^>" '(0 font-lock-keyword-face)))
+               font-lock-keywords)))
+
+;;;--------------------------------------------------------------------------
+;;; Go programming configuration.
+
+(defun mdw-fontify-go ()
+
+  (make-local-variable 'font-lock-keywords)
+  (let ((go-keywords
+        (mdw-regexps "break" "case" "chan" "const" "continue"
+                     "default" "defer" "else" "fallthrough" "for"
+                     "func" "go" "goto" "if" "import"
+                     "interface" "map" "package" "range" "return"
+                     "select" "struct" "switch" "type" "var"))
+       (go-intrinsics
+        (mdw-regexps "bool" "byte" "complex64" "complex128" "error"
+                     "float32" "float64" "int" "uint8" "int16" "int32"
+                     "int64" "rune" "string" "uint" "uint8" "uint16"
+                     "uint32" "uint64" "uintptr" "void"
+                     "false" "iota" "nil" "true"
+                     "init" "main"
+                     "append" "cap" "copy" "delete" "imag" "len" "make"
+                     "new" "panic" "real" "recover")))
+
+    (setq font-lock-keywords
+         (list
+
+          ;; Handle the keywords defined above.
+          (list (concat "\\<\\(" go-keywords "\\)\\>")
+                '(0 font-lock-keyword-face))
+          (list (concat "\\<\\(" go-intrinsics "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
+          ;; Strings and characters.
+          (list (concat "'"
+                        "\\(" "[^\\']" "\\|"
+                              "\\\\"
+                              "\\(" "[abfnrtv\\'\"]" "\\|"
+                                    "[0-7]\\{3\\}" "\\|"
+                                    "x" "[0-9A-Fa-f]\\{2\\}" "\\|"
+                                    "u" "[0-9A-Fa-f]\\{4\\}" "\\|"
+                                    "U" "[0-9A-Fa-f]\\{8\\}" "\\)" "\\)"
+                        "'"
+                        "\\|"
+                        "\""
+                        "\\(" "[^\n\\\"]+" "\\|" "\\\\." "\\)*"
+                        "\\(\"\\|$\\)"
+                        "\\|"
+                        "`" "[^`]+" "`")
+                '(0 font-lock-string-face))
+
+          ;; Handle numbers too.
+          ;;
+          ;; The following isn't quite right, but it's close enough.
+          (list (concat "\\<\\("
+                        "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
+                        "[0-9]+\\(\\.[0-9]*\\|\\)"
+                        "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)")
+                '(0 mdw-number-face))
+
+          ;; And anything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face))))))
+
+;;;--------------------------------------------------------------------------
+;;; Rust programming configuration.
+
+(setq-default rust-indent-offset 2)
+
+(defun mdw-self-insert-and-indent (count)
+  (interactive "p")
+  (self-insert-command count)
+  (indent-according-to-mode))
+
+(defun mdw-fontify-rust ()
+
+  ;; Hack syntax categories.
+  (modify-syntax-entry ?= ".")
+
+  ;; Fontify keywords and things.
+  (make-local-variable 'font-lock-keywords)
+  (let ((rust-keywords
+        (mdw-regexps "abstract" "alignof" "as"
+                     "become" "box" "break"
+                     "const" "continue" "create"
+                     "do"
+                     "else" "enum" "extern"
+                     "false" "final" "fn" "for"
+                     "if" "impl" "in"
+                     "let" "loop"
+                     "macro" "match" "mod" "move" "mut"
+                     "offsetof" "override"
+                     "priv" "pub" "pure"
+                     "ref" "return"
+                     "self" "sizeof" "static" "struct" "super"
+                     "true" "trait" "type" "typeof"
+                     "unsafe" "unsized" "use"
+                     "virtual"
+                     "where" "while"
+                     "yield"))
+       (rust-builtins
+        (mdw-regexps "array" "pointer" "slice" "tuple"
+                     "bool" "true" "false"
+                     "f32" "f64"
+                     "i8" "i16" "i32" "i64" "isize"
+                     "u8" "u16" "u32" "u64" "usize"
+                     "char" "str")))
+    (setq font-lock-keywords
+         (list
+
+          ;; Handle the keywords defined above.
+          (list (concat "\\<\\(" rust-keywords "\\)\\>")
+                '(0 font-lock-keyword-face))
+          (list (concat "\\<\\(" rust-builtins "\\)\\>")
+                '(0 font-lock-variable-name-face))
+
+          ;; Handle numbers too.
+          (list (concat "\\<\\("
+                              "[0-9][0-9_]*"
+                              "\\(" "\\(\\.[0-9_]+\\)?[eE][-+]?[0-9_]+"
+                              "\\|" "\\.[0-9_]+"
+                              "\\)"
+                              "\\(f32\\|f64\\)?"
+                        "\\|" "\\(" "[0-9][0-9_]*"
+                              "\\|" "0x[0-9a-fA-F_]+"
+                              "\\|" "0o[0-7_]+"
+                              "\\|" "0b[01_]+"
+                              "\\)"
+                              "\\([ui]\\(8\\|16\\|32\\|64\\|s\\|size\\)\\)?"
+                        "\\)\\>")
+                '(0 mdw-number-face))
+
+          ;; And anything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face)))))
+
+  ;; Hack key bindings.
+  (local-set-key [?{] 'mdw-self-insert-and-indent)
+  (local-set-key [?}] 'mdw-self-insert-and-indent))
+
+;;;--------------------------------------------------------------------------
 ;;; Awk programming configuration.
 
 ;; Make Awk indentation nice.
 
-(defun mdw-awk-style ()
-  (c-add-style "[mdw] Awk style"
-              '((c-basic-offset . 2)
-                (c-offsets-alist (substatement-open . 0)
-                                 (statement-cont . 0)
-                                 (statement-case-intro . +)))
-              t))
+(mdw-define-c-style mdw-awk
+  (c-basic-offset . 2)
+  (c-offsets-alist (substatement-open . 0)
+                  (c-backslash-column . 72)
+                  (statement-cont . 0)
+                  (statement-case-intro . +)))
+(mdw-set-default-c-style 'awk-mode 'mdw-awk)
 
 ;; Declare Awk fontification style.
 
 (defun mdw-fontify-awk ()
 
   ;; Miscellaneous fiddling.
-  (mdw-awk-style)
-  (setq c-backslash-column 72)
   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
 
   ;; Now define things to be fontified.
@@ -1308,6 +2431,8 @@ doesn't match any of the regular expressions in
 
 ;; Perl indentation style.
 
+(setq perl-indent-level 2)
+
 (setq cperl-indent-level 2)
 (setq cperl-continued-statement-offset 2)
 (setq cperl-continued-brace-offset 0)
@@ -1322,16 +2447,29 @@ doesn't match any of the regular expressions in
   ;; Miscellaneous fiddling.
   (modify-syntax-entry ?$ "\\")
   (modify-syntax-entry ?$ "\\" font-lock-syntax-table)
+  (modify-syntax-entry ?: "." font-lock-syntax-table)
   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
 
   ;; Now define fontification things.
   (make-local-variable 'font-lock-keywords)
   (let ((perl-keywords
-        (mdw-regexps "and" "cmp" "continue" "do" "else" "elsif" "eq"
-                     "for" "foreach" "ge" "gt" "goto" "if"
-                     "last" "le" "lt" "local" "my" "ne" "next" "or"
-                     "package" "redo" "require" "return" "sub"
-                     "undef" "unless" "until" "use" "while")))
+        (mdw-regexps "and"
+                     "break"
+                     "cmp" "continue"
+                     "default" "do"
+                     "else" "elsif" "eq"
+                     "for" "foreach"
+                     "ge" "given" "gt" "goto"
+                     "if"
+                     "last" "le" "local" "lt"
+                     "my"
+                     "ne" "next"
+                     "or" "our"
+                     "package"
+                     "redo" "require" "return"
+                     "sub"
+                     "undef" "unless" "until" "use"
+                     "when" "while")))
 
     (setq font-lock-keywords
          (list
@@ -1372,6 +2510,7 @@ strip numbers instead."
 
   ;; Miscellaneous fiddling.
   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
+  (setq indent-tabs-mode nil)
 
   ;; Now define fontification things.
   (make-local-variable 'font-lock-keywords)
@@ -1379,12 +2518,12 @@ strip numbers instead."
        (list
 
         ;; Set up the keywords defined above.
-        (list (concat "\\<\\(" keywords "\\)\\>")
+        (list (concat "\\_<\\(" keywords "\\)\\_>")
               '(0 font-lock-keyword-face))
 
         ;; At least numbers are simpler than C.
-        (list (concat "\\<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
-                      "\\<[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
+        (list (concat "\\_<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
+                      "\\_<[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
                       "\\([eE]\\([-+]\\|\\)[0-9_]+\\|[lL]\\|\\)")
               '(0 mdw-number-face))
 
@@ -1412,6 +2551,49 @@ strip numbers instead."
                "yield")))
 
 ;;;--------------------------------------------------------------------------
+;;; Lua programming style.
+
+(setq lua-indent-level 2)
+
+(defun mdw-fontify-lua ()
+
+  ;; Miscellaneous fiddling.
+  (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
+
+  ;; Now define fontification things.
+  (make-local-variable 'font-lock-keywords)
+  (let ((lua-keywords
+        (mdw-regexps "and" "break" "do" "else" "elseif" "end"
+                     "false" "for" "function" "goto" "if" "in" "local"
+                     "nil" "not" "or" "repeat" "return" "then" "true"
+                     "until" "while")))
+    (setq font-lock-keywords
+         (list
+
+          ;; Set up the keywords defined above.
+          (list (concat "\\_<\\(" lua-keywords "\\)\\_>")
+                '(0 font-lock-keyword-face))
+
+          ;; At least numbers are simpler than C.
+          (list (concat "\\_<\\(" "0[xX]"
+                                  "\\(" "[0-9a-fA-F]+"
+                                        "\\(\\.[0-9a-fA-F]*\\)?"
+                                  "\\|" "\\.[0-9a-fA-F]+"
+                                  "\\)"
+                                  "\\([pP][-+]?[0-9]+\\)?"
+                            "\\|" "\\(" "[0-9]+"
+                                        "\\(\\.[0-9]*\\)?"
+                                  "\\|" "\\.[0-9]+"
+                                  "\\)"
+                                  "\\([eE][-+]?[0-9]+\\)?"
+                            "\\)")
+                '(0 mdw-number-face))
+
+          ;; And anything else is punctuation.
+          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                '(0 mdw-punct-face))))))
+
+;;;--------------------------------------------------------------------------
 ;;; Icon programming style.
 
 ;; Icon indentation style.
@@ -1467,97 +2649,24 @@ strip numbers instead."
                 '(0 mdw-punct-face))))))
 
 ;;;--------------------------------------------------------------------------
-;;; ARM assembler programming configuration.
-
-;; There doesn't appear to be an Emacs mode for this yet.
-;;
-;; Better do something about that, I suppose.
-
-(defvar arm-assembler-mode-map nil)
-(defvar arm-assembler-abbrev-table nil)
-(defvar arm-assembler-mode-syntax-table (make-syntax-table))
-
-(or arm-assembler-mode-map
-    (progn
-      (setq arm-assembler-mode-map (make-sparse-keymap))
-      (define-key arm-assembler-mode-map "\C-m" 'arm-assembler-newline)
-      (define-key arm-assembler-mode-map [C-return] 'newline)
-      (define-key arm-assembler-mode-map "\t" 'tab-to-tab-stop)))
-
-(defun arm-assembler-mode ()
-  "Major mode for ARM assembler programs"
-  (interactive)
-
-  ;; Do standard major mode things.
-  (kill-all-local-variables)
-  (use-local-map arm-assembler-mode-map)
-  (setq local-abbrev-table arm-assembler-abbrev-table)
-  (setq major-mode 'arm-assembler-mode)
-  (setq mode-name "ARM assembler")
-
-  ;; Set up syntax table.
-  (set-syntax-table arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?;   ; Nasty hack
-                      "<" arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?\n ">" arm-assembler-mode-syntax-table)
-  (modify-syntax-entry ?_ "_" arm-assembler-mode-syntax-table)
-
-  (make-local-variable 'comment-start)
-  (setq comment-start ";")
-  (make-local-variable 'comment-end)
-  (setq comment-end "")
-  (make-local-variable 'comment-column)
-  (setq comment-column 48)
-  (make-local-variable 'comment-start-skip)
-  (setq comment-start-skip ";+[ \t]*")
-
-  ;; Play with indentation.
-  (make-local-variable 'indent-line-function)
-  (setq indent-line-function 'indent-relative-maybe)
-
-  ;; Set fill prefix.
-  (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)")
-
-  ;; Fiddle with fontification.
-  (make-local-variable 'font-lock-keywords)
-  (setq font-lock-keywords
-       (list
-
-        ;; Handle numbers too.
-        ;;
-        ;; The following isn't quite right, but it's close enough.
-        (list (concat "\\("
-                      "&[0-9a-fA-F]+\\|"
-                      "\\<[0-9]+\\(\\.[0-9]*\\|_[0-9a-zA-Z]+\\|\\)"
-                      "\\)")
-              '(0 mdw-number-face))
-
-        ;; Do something about operators.
-        (list "^[^ \t]*[ \t]+\\(GET\\|LNK\\)[ \t]+\\([^;\n]*\\)"
-              '(1 font-lock-keyword-face)
-              '(2 font-lock-string-face))
-        (list ":[a-zA-Z]+:"
-              '(0 font-lock-keyword-face))
-
-        ;; Do menemonics and directives.
-        (list "^[^ \t]*[ \t]+\\([a-zA-Z]+\\)"
-              '(1 font-lock-keyword-face))
-
-        ;; And anything else is punctuation.
-        (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
-              '(0 mdw-punct-face))))
-
-  (run-hooks 'arm-assembler-mode-hook))
-
-;;;--------------------------------------------------------------------------
 ;;; Assembler mode.
 
 (defun mdw-fontify-asm ()
   (modify-syntax-entry ?' "\"")
   (modify-syntax-entry ?. "w")
+  (modify-syntax-entry ?\n ">")
   (setf fill-prefix nil)
+  (local-set-key ";" 'self-insert-command)
   (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)"))
 
+(defun mdw-asm-set-comment ()
+  (modify-syntax-entry ?; "."
+                      )
+  (modify-syntax-entry asm-comment-char "<b")
+  (setq comment-start (string asm-comment-char ? )))
+(add-hook 'asm-mode-local-variables-hook 'mdw-asm-set-comment)
+(put 'asm-comment-char 'safe-local-variable 'characterp)
+
 ;;;--------------------------------------------------------------------------
 ;;; TCL configuration.
 
@@ -1575,6 +2684,114 @@ strip numbers instead."
               '(0 mdw-punct-face)))))
 
 ;;;--------------------------------------------------------------------------
+;;; Dylan programming configuration.
+
+(defun mdw-fontify-dylan ()
+
+  (make-local-variable 'font-lock-keywords)
+
+  ;; Horrors.  `dylan-mode' sets the `major-mode' name after calling this
+  ;; hook, which undoes all of our configuration.
+  (setq major-mode 'dylan-mode)
+  (font-lock-set-defaults)
+
+  (let* ((word "[-_a-zA-Z!*@<>$%]+")
+        (dylan-keywords (mdw-regexps
+
+                         "C-address" "C-callable-wrapper" "C-function"
+                         "C-mapped-subtype" "C-pointer-type" "C-struct"
+                         "C-subtype" "C-union" "C-variable"
+
+                         "above" "abstract" "afterwards" "all"
+                         "begin" "below" "block" "by"
+                         "case" "class" "cleanup" "constant" "create"
+                         "define" "domain"
+                         "else" "elseif" "end" "exception" "export"
+                         "finally" "for" "from" "function"
+                         "generic"
+                         "handler"
+                         "if" "in" "instance" "interface" "iterate"
+                         "keyed-by"
+                         "let" "library" "local"
+                         "macro" "method" "module"
+                         "otherwise"
+                         "profiling"
+                         "select" "slot" "subclass"
+                         "table" "then" "to"
+                         "unless" "until" "use"
+                         "variable" "virtual"
+                         "when" "while"))
+        (sharp-keywords (mdw-regexps
+                         "all-keys" "key" "next" "rest" "include"
+                         "t" "f")))
+    (setq font-lock-keywords
+         (list (list (concat "\\<\\(" dylan-keywords
+                             "\\|" "with\\(out\\)?-" word
+                             "\\)\\>")
+                     '(0 font-lock-keyword-face))
+               (list (concat "\\<" word ":" "\\|"
+                             "#\\(" sharp-keywords "\\)\\>")
+                     '(0 font-lock-variable-name-face))
+               (list (concat "\\("
+                             "\\([-+]\\|\\<\\)[0-9]+" "\\("
+                               "\\(\\.[0-9]+\\)?" "\\([eE][-+][0-9]+\\)?"
+                               "\\|" "/[0-9]+"
+                             "\\)"
+                             "\\|" "\\.[0-9]+" "\\([eE][-+][0-9]+\\)?"
+                             "\\|" "#b[01]+"
+                             "\\|" "#o[0-7]+"
+                             "\\|" "#x[0-9a-zA-Z]+"
+                             "\\)\\>")
+                     '(0 mdw-number-face))
+               (list (concat "\\("
+                             "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\|"
+                             "\\_<[-+*/=<>:&|]+\\_>"
+                             "\\)")
+                     '(0 mdw-punct-face))))))
+
+;;;--------------------------------------------------------------------------
+;;; Algol 68 configuration.
+
+(setq a68-indent-step 2)
+
+(defun mdw-fontify-algol-68 ()
+
+  ;; Fix up the syntax table.
+  (modify-syntax-entry ?# "!" a68-mode-syntax-table)
+  (dolist (ch '(?- ?+ ?= ?< ?> ?* ?/ ?| ?&))
+    (modify-syntax-entry ch "." a68-mode-syntax-table))
+
+  (make-local-variable 'font-lock-keywords)
+
+  (let ((not-comment
+        (let ((word "COMMENT"))
+          (do ((regexp (concat "[^" (substring word 0 1) "]+")
+                       (concat regexp "\\|"
+                               (substring word 0 i)
+                               "[^" (substring word i (1+ i)) "]"))
+               (i 1 (1+ i)))
+              ((>= i (length word)) regexp)))))
+    (setq font-lock-keywords
+         (list (list (concat "\\<COMMENT\\>"
+                             "\\(" not-comment "\\)\\{0,5\\}"
+                             "\\(\\'\\|\\<COMMENT\\>\\)")
+                     '(0 font-lock-comment-face))
+               (list (concat "\\<CO\\>"
+                             "\\([^C]+\\|C[^O]\\)\\{0,5\\}"
+                             "\\($\\|\\<CO\\>\\)")
+                     '(0 font-lock-comment-face))
+               (list "\\<[A-Z_]+\\>"
+                     '(0 font-lock-keyword-face))
+               (list (concat "\\<"
+                             "[0-9]+"
+                             "\\(\\.[0-9]+\\)?"
+                             "\\([eE][-+]?[0-9]+\\)?"
+                             "\\>")
+                     '(0 mdw-number-face))
+               (list "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/"
+                     '(0 mdw-punct-face))))))
+
+;;;--------------------------------------------------------------------------
 ;;; REXX configuration.
 
 (defun mdw-rexx-electric-* ()
@@ -1703,32 +2920,73 @@ strip numbers instead."
 (defun mdw-fontify-haskell ()
 
   ;; Fiddle with syntax table to get comments right.
-  (modify-syntax-entry ?' "\"")
-  (modify-syntax-entry ?- ". 123")
-  (modify-syntax-entry ?{ ". 1b")
-  (modify-syntax-entry ?} ". 4b")
+  (modify-syntax-entry ?' "_")
+  (modify-syntax-entry ?- ". 12")
   (modify-syntax-entry ?\n ">")
 
+  ;; Make punctuation be punctuation
+  (let ((punct "=<>+-*/|&%!@?$.^:#`"))
+    (do ((i 0 (1+ i)))
+       ((>= i (length punct)))
+      (modify-syntax-entry (aref punct i) ".")))
+
   ;; Set fill prefix.
   (mdw-standard-fill-prefix "\\([ \t]*{?--?[ \t]*\\)")
 
   ;; Fiddle with fontification.
   (make-local-variable 'font-lock-keywords)
   (let ((haskell-keywords
-        (mdw-regexps "as" "case" "ccall" "class" "data" "default"
-                     "deriving" "do" "else" "foreign" "hiding" "if"
-                     "import" "in" "infix" "infixl" "infixr" "instance"
-                     "let" "module" "newtype" "of" "qualified" "safe"
-                     "stdcall" "then" "type" "unsafe" "where")))
+        (mdw-regexps "as"
+                     "case" "ccall" "class"
+                     "data" "default" "deriving" "do"
+                     "else" "exists"
+                     "forall" "foreign"
+                     "hiding"
+                     "if" "import" "in" "infix" "infixl" "infixr" "instance"
+                     "let"
+                     "mdo" "module"
+                     "newtype"
+                     "of"
+                     "proc"
+                     "qualified"
+                     "rec"
+                     "safe" "stdcall"
+                     "then" "type"
+                     "unsafe"
+                     "where"))
+       (control-sequences
+        (mdw-regexps "ACK" "BEL" "BS" "CAN" "CR" "DC1" "DC2" "DC3" "DC4"
+                     "DEL" "DLE" "EM" "ENQ" "EOT" "ESC" "ETB" "ETX" "FF"
+                     "FS" "GS" "HT" "LF" "NAK" "NUL" "RS" "SI" "SO" "SOH"
+                     "SP" "STX" "SUB" "SYN" "US" "VT")))
 
     (setq font-lock-keywords
          (list
-          (list "--.*$"
+          (list (concat "{-" "[^-]*" "\\(-+[^-}][^-]*\\)*"
+                             "\\(-+}\\|-*\\'\\)"
+                        "\\|"
+                        "--.*$")
                 '(0 font-lock-comment-face))
-          (list (concat "\\<\\(" haskell-keywords "\\)\\>")
+          (list (concat "\\_<\\(" haskell-keywords "\\)\\_>")
                 '(0 font-lock-keyword-face))
-          (list (concat "\\<0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
-                        "\\<[0-9][0-9_]*\\(\\.[0-9]*\\|\\)"
+          (list (concat "'\\("
+                        "[^\\]"
+                        "\\|"
+                        "\\\\"
+                        "\\(" "[abfnrtv\\\"']" "\\|"
+                              "^" "\\(" control-sequences "\\|"
+                                        "[]A-Z@[\\^_]" "\\)" "\\|"
+                              "\\|"
+                              "[0-9]+" "\\|"
+                              "[oO][0-7]+" "\\|"
+                              "[xX][0-9A-Fa-f]+"
+                        "\\)"
+                        "\\)'")
+                '(0 font-lock-string-face))
+          (list "\\_<[A-Z]\\(\\sw+\\|\\s_+\\)*\\_>"
+                '(0 font-lock-variable-name-face))
+          (list (concat "\\_<0\\([xX][0-9a-fA-F]+\\|[oO][0-7]+\\)\\|"
+                        "\\_<[0-9]+\\(\\.[0-9]*\\|\\)"
                         "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)")
                 '(0 mdw-number-face))
           (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
@@ -1737,8 +2995,7 @@ strip numbers instead."
 ;;;--------------------------------------------------------------------------
 ;;; Erlang configuration.
 
-(setq erlang-electric-commannds
-      '(erlang-electric-newline erlang-electric-semicolon))
+(setq erlang-electric-commands nil)
 
 (defun mdw-fontify-erlang ()
 
@@ -1814,6 +3071,10 @@ strip numbers instead."
   (modify-syntax-entry ?$ "." font-lock-syntax-table)
   (local-set-key [?$] 'self-insert-command)
 
+  ;; Make `tab' be useful, given that tab stops in TeX don't work well.
+  (local-set-key "\C-i" 'indent-relative)
+  (setq indent-tabs-mode nil)
+
   ;; Set fill prefix.
   (mdw-standard-fill-prefix "\\([ \t]*%+[ \t]*\\)")
 
@@ -1868,6 +3129,25 @@ strip numbers instead."
         (list "[$^_{}#&]"
               '(0 mdw-punct-face)))))
 
+(eval-after-load 'font-latex
+  '(defun font-latex-jit-lock-force-redisplay (buf start end)
+     "Compatibility for Emacsen not offering `jit-lock-force-redisplay'."
+     ;; The following block is an expansion of `jit-lock-force-redisplay'
+     ;; and involved macros taken from CVS Emacs on 2007-04-28.
+     (with-current-buffer buf
+       (let ((modified (buffer-modified-p)))
+        (unwind-protect
+            (let ((buffer-undo-list t)
+                  (inhibit-read-only t)
+                  (inhibit-point-motion-hooks t)
+                  (inhibit-modification-hooks t)
+                  deactivate-mark
+                  buffer-file-name
+                  buffer-file-truename)
+              (put-text-property start end 'fontified t))
+          (unless modified
+            (restore-buffer-modified-p nil)))))))
+
 ;;;--------------------------------------------------------------------------
 ;;; SGML hacking.
 
@@ -1875,7 +3155,7 @@ strip numbers instead."
   (interactive)
   (sgml-mode)
   (mdw-standard-fill-prefix "")
-  (make-variable-buffer-local 'sgml-delimiters)
+  (make-local-variable 'sgml-delimiters)
   (setq sgml-delimiters
        '("AND" "&" "COM" "--" "CRO" "&#" "DSC" "]" "DSO" "[" "DTGC" "]"
          "DTGO" "[" "ERO" "&" "ETAGO" ":e" "GRPC" ")" "GRPO" "(" "LIT" "\""
@@ -1890,6 +3170,40 @@ strip numbers instead."
   (run-hooks 'mdw-sgml-mode-hook))
 
 ;;;--------------------------------------------------------------------------
+;;; Configuration files.
+
+(defvar mdw-conf-quote-normal nil
+  "*Control syntax category of quote characters `\"' and `''.
+If this is `t', consider quote characters to be normal
+punctuation, as for `conf-quote-normal'.  If this is `nil' then
+leave quote characters as quotes.  If this is a list, then
+consider the quote characters in the list to be normal
+punctuation.  If this is a single quote character, then consider
+that character only to be normal punctuation.")
+(defun mdw-conf-quote-normal-acceptable-value-p (value)
+  "Is the VALUE is an acceptable value for `mdw-conf-quote-normal'?"
+  (or (booleanp value)
+      (every (lambda (v) (memq v '(?\" ?')))
+            (if (listp value) value (list value)))))
+(put 'mdw-conf-quote-normal 'safe-local-variable
+     'mdw-conf-quote-normal-acceptable-value-p)
+
+(defun mdw-fix-up-quote ()
+  "Apply the setting of `mdw-conf-quote-normal'."
+  (let ((flag mdw-conf-quote-normal))
+    (cond ((eq flag t)
+          (conf-quote-normal t))
+         ((not flag)
+          nil)
+         (t
+          (let ((table (copy-syntax-table (syntax-table))))
+            (mapc (lambda (ch) (modify-syntax-entry ch "." table))
+                  (if (listp flag) flag (list flag)))
+            (set-syntax-table table)
+            (and font-lock-mode (font-lock-fontify-buffer)))))))
+(add-hook 'conf-mode-local-variables-hook 'mdw-fix-up-quote t t)
+
+;;;--------------------------------------------------------------------------
 ;;; Shell scripts.
 
 (defun mdw-setup-sh-script-mode ()
@@ -1909,6 +3223,9 @@ strip numbers instead."
     (let ((executable-set-magic #'(lambda (s &rest r) s)))
       (sh-set-shell shell-name)))
 
+  ;; Don't insert here-document scaffolding automatically.
+  (local-set-key "<" 'self-insert-command)
+
   ;; Now enable my keys and the fontification.
   (mdw-misc-mode-config)
 
@@ -1916,6 +3233,81 @@ strip numbers instead."
   (setq sh-indentation 2)
   (setq sh-basic-offset 2))
 
+(setq sh-shell-file "/bin/sh")
+
+;; Awful hacking to override the shell detection for particular scripts.
+(defmacro define-custom-shell-mode (name shell)
+  `(defun ,name ()
+     (interactive)
+     (set (make-local-variable 'sh-shell-file) ,shell)
+     (sh-mode)))
+(define-custom-shell-mode bash-mode "/bin/bash")
+(define-custom-shell-mode rc-mode "/usr/bin/rc")
+(put 'sh-shell-file 'permanent-local t)
+
+;; Hack the rc syntax table.  Backquotes aren't paired in rc.
+(eval-after-load "sh-script"
+  '(or (assq 'rc sh-mode-syntax-table-input)
+       (let ((frag '(nil
+                    ?# "<"
+                    ?\n ">#"
+                    ?\" "\"\""
+                    ?\' "\"\'"
+                    ?$ "'"
+                    ?\` "."
+                    ?! "_"
+                    ?% "_"
+                    ?. "_"
+                    ?^ "_"
+                    ?~ "_"
+                    ?, "_"
+                    ?= "."
+                    ?< "."
+                    ?> "."))
+            (assoc (assq 'rc sh-mode-syntax-table-input)))
+        (if assoc
+            (rplacd assoc frag)
+          (setq sh-mode-syntax-table-input
+                (cons (cons 'rc frag)
+                      sh-mode-syntax-table-input))))))
+
+;;;--------------------------------------------------------------------------
+;;; Emacs shell mode.
+
+(defun mdw-eshell-prompt ()
+  (let ((left "[") (right "]"))
+    (when (= (user-uid) 0)
+      (setq left "«" right "»"))
+    (concat left
+           (save-match-data
+             (replace-regexp-in-string "\\..*$" "" (system-name)))
+           " "
+           (let* ((pwd (eshell/pwd)) (npwd (length pwd))
+                  (home (expand-file-name "~")) (nhome (length home)))
+             (if (and (>= npwd nhome)
+                      (or (= nhome npwd)
+                          (= (elt pwd nhome) ?/))
+                      (string= (substring pwd 0 nhome) home))
+                 (concat "~" (substring pwd (length home)))
+               pwd))
+           right)))
+(setq eshell-prompt-function 'mdw-eshell-prompt)
+(setq eshell-prompt-regexp "^\\[[^]>]+\\(\\]\\|>>?\\)")
+
+(defun eshell/e (file) (find-file file) nil)
+(defun eshell/ee (file) (find-file-other-window file) nil)
+(defun eshell/w3m (url) (w3m-goto-url url) nil)
+
+(mdw-define-face eshell-prompt (t :weight bold))
+(mdw-define-face eshell-ls-archive (t :weight bold :foreground "red"))
+(mdw-define-face eshell-ls-backup (t :foreground "lightgrey" :slant italic))
+(mdw-define-face eshell-ls-product (t :foreground "lightgrey" :slant italic))
+(mdw-define-face eshell-ls-clutter (t :foreground "lightgrey" :slant italic))
+(mdw-define-face eshell-ls-executable (t :weight bold))
+(mdw-define-face eshell-ls-directory (t :foreground "cyan" :weight bold))
+(mdw-define-face eshell-ls-readonly (t nil))
+(mdw-define-face eshell-ls-symlink (t :foreground "cyan"))
+
 ;;;--------------------------------------------------------------------------
 ;;; Messages-file mode.
 
@@ -1971,7 +3363,6 @@ strip numbers instead."
   (modify-syntax-entry ?\n ">" messages-mode-syntax-table)
   (setq comment-start "# ")
   (setq comment-end "")
-  (turn-on-font-lock-if-enabled)
   (run-hooks 'messages-mode-hook))
 
 (defun cpp-messages-mode ()
@@ -1998,7 +3389,6 @@ strip numbers instead."
                                      "\\)\\>\\|[0-9]+\\|$\\)\\)")
                              '(1 font-lock-keyword-face)))
                  messages-mode-keywords)))
-  (turn-on-font-lock-if-enabled)
   (run-hooks 'cpp-messages-mode-hook))
 
 (add-hook 'messages-mode-hook 'mdw-misc-mode-config t)
@@ -2049,7 +3439,6 @@ strip numbers instead."
   (modify-syntax-entry ?\n ">" mallow-driver-mode-syntax-table)
   (setq comment-start "%# ")
   (setq comment-end "")
-  (turn-on-font-lock-if-enabled)
   (run-hooks 'mallow-driver-mode-hook))
 
 (add-hook 'mallow-driver-hook 'mdw-misc-mode-config t)
@@ -2092,7 +3481,6 @@ strip numbers instead."
         '("\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)" (0 mdw-punct-face))))
   (setq font-lock-defaults
        '(nfast-debug-mode-keywords nil nil nil nil))
-  (turn-on-font-lock-if-enabled)
   (run-hooks 'nfast-debug-mode-hook))
 
 ;;;--------------------------------------------------------------------------
@@ -2103,7 +3491,7 @@ strip numbers instead."
 (defun mdw-setup-smalltalk ()
   (and mdw-auto-indent
        (local-set-key "\C-m" 'smalltalk-newline-and-indent))
-  (make-variable-buffer-local 'mdw-auto-indent)
+  (make-local-variable 'mdw-auto-indent)
   (setq mdw-auto-indent nil)
   (local-set-key "\C-i" 'smalltalk-reindent))
 
@@ -2141,7 +3529,7 @@ strip numbers instead."
        (multiple-value-bind . ((&whole 4 &rest 1) 4 &body))))))
 
 (defun mdw-common-lisp-indent ()
-  (make-variable-buffer-local 'lisp-indent-function)
+  (make-local-variable 'lisp-indent-function)
   (setq lisp-indent-function 'common-lisp-indent-function))
 
 (setq lisp-simple-loop-indentation 2
@@ -2156,9 +3544,26 @@ strip numbers instead."
   ;; Not much fontification needed.
   (make-local-variable 'font-lock-keywords)
   (setq font-lock-keywords
-       (list
-        (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
-              '(0 mdw-punct-face)))))
+       (list (list (concat "\\("
+                           "\\_<[-+]?"
+                           "\\(" "[0-9]+/[0-9]+"
+                           "\\|" "\\(" "[0-9]+" "\\(\\.[0-9]*\\)?" "\\|"
+                                       "\\.[0-9]+" "\\)"
+                                 "\\([dDeEfFlLsS][-+]?[0-9]+\\)?"
+                           "\\)"
+                           "\\|"
+                           "#"
+                           "\\(" "x" "[-+]?"
+                                 "[0-9A-Fa-f]+" "\\(/[0-9A-Fa-f]+\\)?"
+                           "\\|" "o" "[-+]?" "[0-7]+" "\\(/[0-7]+\\)?"
+                           "\\|" "b" "[-+]?" "[01]+" "\\(/[01]+\\)?"
+                           "\\|" "[0-9]+" "r" "[-+]?"
+                                 "[0-9a-zA-Z]+" "\\(/[0-9a-zA-Z]+\\)?"
+                           "\\)"
+                           "\\)\\_>")
+                   '(0 mdw-number-face))
+             (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
+                   '(0 mdw-punct-face)))))
 
 (defun comint-send-and-indent ()
   (interactive)
@@ -2167,6 +3572,13 @@ strip numbers instead."
        (indent-for-tab-command)))
 
 (defun mdw-setup-m4 ()
+
+  ;; Inexplicably, Emacs doesn't match braces in m4 mode.  This is very
+  ;; annoying: fix it.
+  (modify-syntax-entry ?{ "(")
+  (modify-syntax-entry ?} ")")
+
+  ;; Fill prefix.
   (mdw-standard-fill-prefix "\\([ \t]*\\(?:#+\\|\\<dnl\\>\\)[ \t]*\\)"))
 
 ;;;--------------------------------------------------------------------------
@@ -2193,6 +3605,9 @@ strip numbers instead."
 
 (setq hs-hide-comments-when-hiding-all nil)
 
+(defadvice hs-hide-all (after hide-first-comment activate)
+  (save-excursion (hs-hide-initial-comment-block)))
+
 ;;;--------------------------------------------------------------------------
 ;;; Shell mode.
 
@@ -2226,6 +3641,98 @@ strip numbers instead."
      (define-key term-raw-map [M-left] 'term-send-meta-left)
      (define-key term-raw-map [?\e ?\M-O ?D] 'term-send-meta-left)))
 
+(defadvice term-exec (before program-args-list compile activate)
+  "If the PROGRAM argument is a list, interpret it as (PROGRAM . SWITCHES).
+This allows you to pass a list of arguments through `ansi-term'."
+  (let ((program (ad-get-arg 2)))
+    (if (listp program)
+       (progn
+         (ad-set-arg 2 (car program))
+         (ad-set-arg 4 (cdr program))))))
+
+(defun ssh (host)
+  "Open a terminal containing an ssh session to the HOST."
+  (interactive "sHost: ")
+  (ansi-term (list "ssh" host) (format "ssh@%s" host)))
+
+(defvar git-grep-command
+  "env PAGER=cat git grep --no-color -nH -e "
+  "*The default command for \\[git-grep].")
+
+(defvar git-grep-history nil)
+
+(defun git-grep (command-args)
+  "Run `git grep' with user-specified args and collect output in a buffer."
+  (interactive
+   (list (read-shell-command "Run git grep (like this): "
+                            git-grep-command 'git-grep-history)))
+  (grep command-args))
+
+(setq magit-diff-refine-hunk 'all
+      magit-view-git-manual-method 'man
+      magit-wip-after-save-local-mode-lighter ""
+      magit-wip-after-apply-mode-lighter ""
+      magit-wip-before-change-mode-lighter "")
+(eval-after-load "magit"
+  '(progn (global-magit-file-mode 1)
+         (magit-wip-after-save-mode 1)
+         (magit-wip-after-apply-mode 1)
+         (magit-wip-before-change-mode 1)
+         (add-to-list 'magit-no-confirm 'safe-with-wip)
+         (dolist (popup '(magit-diff-popup
+                          magit-diff-refresh-popup
+                          magit-diff-mode-refresh-popup
+                          magit-revision-mode-refresh-popup))
+           (magit-define-popup-switch popup ?R "Reverse diff" "-R"))))
+
+(setq magit-repolist-columns
+      '(("Name" 16 magit-repolist-column-ident nil)
+       ("Version" 18 magit-repolist-column-version nil)
+       ("St" 2 magit-repolist-column-dirty nil)
+       ("L<U" 3 mdw-repolist-column-unpulled-from-upstream nil)
+       ("L>U" 3 mdw-repolist-column-unpushed-to-upstream nil)
+       ("Path" 32 magit-repolist-column-path nil)))
+
+(setq magit-repository-directories '(("~/etc/profile" . 0)
+                                    ("~/src/" . 1)))
+
+(defadvice magit-list-repos (around mdw-dirname () activate compile)
+  "Make sure the returned names are directory names.
+Otherwise child processes get started in the wrong directory and
+there is sadness."
+  (setq ad-return-value (mapcar #'file-name-as-directory ad-do-it)))
+
+(defun mdw-repolist-column-unpulled-from-upstream (_id)
+  "Insert number of upstream commits not in the current branch."
+  (let ((upstream (magit-get-upstream-branch (magit-get-current-branch) t)))
+    (and upstream
+        (let ((n (cadr (magit-rev-diff-count "HEAD" upstream))))
+          (propertize (number-to-string n) 'face
+                      (if (> n 0) 'bold 'shadow))))))
+
+(defun mdw-repolist-column-unpushed-to-upstream (_id)
+  "Insert number of commits in the current branch but not its upstream."
+  (let ((upstream (magit-get-upstream-branch (magit-get-current-branch) t)))
+    (and upstream
+        (let ((n (car (magit-rev-diff-count "HEAD" upstream))))
+          (propertize (number-to-string n) 'face
+                      (if (> n 0) 'bold 'shadow))))))
+
+;;;--------------------------------------------------------------------------
+;;; Inferior Emacs Lisp.
+
+(setq comint-prompt-read-only t)
+
+(eval-after-load "comint"
+  '(progn
+     (define-key comint-mode-map "\C-w" 'comint-kill-region)
+     (define-key comint-mode-map [C-S-backspace] 'comint-kill-whole-line)))
+
+(eval-after-load "ielm"
+  '(progn
+     (define-key ielm-map "\C-w" 'comint-kill-region)
+     (define-key ielm-map [C-S-backspace] 'comint-kill-whole-line)))
+
 ;;;----- That's all, folks --------------------------------------------------
 
 (provide 'dot-emacs)