Merge from mainline.

19 files changed, 231 insertions, 110 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index cbada0d62c6..702f283a9ff 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,87 @@
+2010-02-12  Juri Linkov  <juri@jurta.org>
+
+        * arc-mode.el (archive-unique-fname): Make directories for nested
+        archives.  (Bug#5540)
+
+2010-02-12  Juri Linkov  <juri@jurta.org>
+
+        * ffap.el (dired-at-point): Fix docstring.  (Bug#5565)
+
+2010-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * subr.el (copy-overlay): Handle deleted overlays.
+
+        * man.el (Man-completion-table): Don't signal an error if we can't run
+        manual-program (bug#4056).
+
+2010-02-10  Juanma Barranquero  <lekktu@gmail.com>
+
+        * textmodes/artist.el (artist-mt): Fix typos in docstring.
+
+2010-02-10  Thierry Volpiatto  <thierry.volpiatto@gmail.com>
+
+        * info.el (Info-bookmark-jump): Simplify.
+
+        * bookmark.el (bookmark-handle-bookmark): Catch the right error.
+        (bookmark-default-handler): Accept new bookmark field `buffer'.
+
+2010-02-10  Chong Yidong  <cyd@stupidchicken.com>
+
+        * iswitchb.el (iswitchb-completions): Revert last change.
+
+2010-02-10  Michael Albinus  <michael.albinus@gmx.de>
+
+        * ls-lisp.el (ls-lisp-insert-directory): When WILDCARD-REGEXP and
+        FULL-DIRECTORY-P are nil, and FILE is absolute, expand it.
+        This prevents file names like "~/" being listed literally.
+
+2010-02-10  Dan Nicolaescu  <dann@ics.uci.edu>
+
+        * term/xterm.el (xterm-maybe-set-dark-background-mode):
+        Remove dead code.  (Bug#5546)
+
+2010-02-09  Chong Yidong  <cyd@stupidchicken.com>
+
+        * eshell/em-ls.el (eshell-ls-applicable): Frob file attributes
+        correctly (Bug#5548).
+
+2010-02-08  Jose E. Marchesi  <jemarch@gnu.org>
+
+        * progmodes/ada-mode.el (ada-in-numeric-literal-p): New function.
+        (ada-adjust-case): Don't adjust case in hexadecimal number
+        literals.
+
+2010-02-08  Kenichi Handa  <handa@m17n.org>
+
+        * international/mule-util.el (with-coding-priority): Add autoload
+        cookie for putting `lisp-indent-function'.
+
+2010-02-07  Glenn Morris  <rgm@gnu.org>
+
+        * progmodes/f90.el (f90-font-lock-keywords-1, f90-font-lock-keywords-2):
+        Move F2003 named interfaces from keywords-2 to keywords-1, and
+        use function-name-face rather than constant-face.
+        Simplify "abstract interface" regexp.
+
+2010-02-07  Chong Yidong  <cyd@stupidchicken.com>
+
+        * eshell/esh-util.el (eshell-file-attributes): New optional arg
+        ID-FORMAT.  Pass it to `file-attributes'.
+
+        * eshell/em-ls.el (eshell-do-ls): Use it (Bug#5528).
+
+2010-02-07  sj  <prime.wizard+emacs@gmail.com>  (tiny change)
+
+        * faces.el (set-face-attribute): Allow calling
+        internal-set-lisp-face-attribute with 'unspecified family and
+        foundry argument (Bug#5536).
+
+2010-02-07  Glenn Morris  <rgm@gnu.org>
+
+        * progmodes/f90.el (f90-font-lock-keywords-2)
+        (f90-looking-at-type-like, f90-looking-at-program-block-end):
+        Handle F2003 named interfaces.
+
 2010-02-06  Chong Yidong  <cyd@stupidchicken.com>
 
         * progmodes/cc-mode.el (c-common-init): Bind temporary variables
@@ -246,10 +330,9 @@
 
 2010-01-25  Mark A. Hershberger  <mah@everybody.org>
 
-        * progmodes/python.el: Replace reference to obsolete
-        c-subward-mode.
+        * progmodes/python.el: Replace reference to obsolete c-subword-mode.
 
-        * vc-bzr.el: (vc-bzr-revision-table) New function.
+        * vc-bzr.el (vc-bzr-revision-table): New function.
 
 2010-01-25  Eric Hanchrow  <eric.hanchrow@gmail.com>  (tiny change)
 
@@ -282,7 +365,7 @@
 
 2010-01-23  Stephen Leake  <stephen_leake@member.fsf.org>
 
-        * progmodes/ada-mode.el (ada-in-paramlist-p): Pragma syntax
+        * progmodes/ada-mode.el (ada-in-paramlist-p): Pragma syntax
         is the same as subprogram call, not declaration.  (Bug#5435).
 
 2010-01-23  Michael Albinus  <michael.albinus@gmx.de>
@@ -3678,7 +3761,7 @@
         (verilog-read-decls): Fix AUTOREG not detecting "assign {a,b}".
         Reported by Wade Smith.
 
-        (verilog-batch-execute-func) Comment on function usage.
+        (verilog-batch-execute-func): Comment on function usage.
 
 2009-11-05  Michael McNamara  <mac@mail.brushroad.com>
 
@@ -4335,7 +4418,7 @@
         (tramp-handle-file-truename): Use it.
         (tramp-handle-file-exists-p): Check file-attributes cache, assume
         file exists if cache value present.
-        (tramp-check-cached-permissions) New defun.
+        (tramp-check-cached-permissions): New defun.
         (tramp-handle-file-readable-p): Use it.
         (tramp-handle-file-writable-p): Likewise.
         (tramp-handle-file-executable-p): Likewise.
@@ -4566,7 +4649,7 @@
         from `rfn-eshadow-update-overlay-hook' when unloading.
         (tramp-methods): Add `tramp-copy-keep-tmpfile' for "rsync" and
         "rsyncc".  Adjust doc string.
-        (tramp-temp-buffer-file-name) New buffer-local defvar.
+        (tramp-temp-buffer-file-name): New buffer-local defvar.
         (tramp-handle-insert-file-contents, tramp-handle-write-region):
         Keep temporary file when indicated by method ("rsync" and
         "rsyncc").
@@ -7978,7 +8061,7 @@
         Don't modify last-coding-system-used by accident.
         (tramp-completion-file-name-handler): Apply the checks here,
         instead during registration.
-        (tramp-register-file-name-handlers) Renamed from
+        (tramp-register-file-name-handlers): Renamed from
         `tramp-register-file-name-handler'.  Register both
         `tramp-file-name-handler' and `tramp-completion-file-name-handler'.
         (tramp-register-completion-file-name-handler): Remove.  (Bug#4260)
@@ -10072,7 +10155,7 @@
 
         * net/tramp.el (tramp-do-copy-or-rename-file-directly):
         Handle also the 'rename case, when setting file modes.  (Bug#3712)
-        (tramp-default-file-modes) Remove execute permissions.
+        (tramp-default-file-modes): Remove execute permissions.
 
         * net/tramp-gvfs.el (tramp-gvfs-methods): Add "synce" method.
         (top): Add a default for "synce" in `tramp-default-user-alist'.
@@ -10097,7 +10180,7 @@
 
         * language/chinese.el ("Chinese-GB", "Chinese-BIG5")
         ("Chinese-CNS", "Chinese-EUC-TW", "Chinese-GBK"): Add a
-        setup-funcion to make char-widht-table suitable for respective
+        setup-function to make char-width-table suitable for respective
         environments, and an exit-function to cancel that.
 
         * language/japan-util.el (setup-japanese-environment-internal):
@@ -10157,7 +10240,7 @@
         to support safe execution at almost anyline.
         (verilog-calc-1): Properly support indenting deep inside generate
         blocks.
-        (verilog-init-font) Remove definition & use of verilog-init-font,
+        (verilog-init-font): Remove definition & use of verilog-init-font,
         as it is redundant with font-lock-defaults.
         (verilog-mode): Alter the definition of verilog-font-lock-defaults
         to avoid circular calls if syntax-ppss is a function (as is the
@@ -10171,7 +10254,7 @@
         (verilog-defun-level-not-generate-re, verilog-defun-level-re)
         (verilog-defun-level-generate-only-re): Really fix the defun-list
         compilation issue.
-        (verilog-calc-1) (verilog-beg-of-statement): Enhance support for
+        (verilog-calc-1, verilog-beg-of-statement): Enhance support for
         coverpoint, constraint and cross statements.
         (verilog-defun-level-list, verilog-generate-defun-level-list)
         (verilog-all-defun-level-list): Redo these specifications - it is
diff --git a/lisp/arc-mode.el b/lisp/arc-mode.el
index ee32d893654..5942e920a65 100644
--- a/lisp/arc-mode.el
+++ b/lisp/arc-mode.el
@@ -834,6 +834,11 @@ using `make-temp-file', and the generated name is returned."
           ;; reconstructed in the temporary directory.
           (make-directory (file-name-directory tmpfile) t)
           (make-temp-file tmpfile))
+      ;; Maked sure all the leading directories in `fullname' exist
+      ;; under archive-tmpdir.  This is necessary for nested archives
+      ;; (`archive-extract' sets `archive-remote' to t in case
+      ;; an archive occurs inside another archive).
+      (make-directory (file-name-directory fullname) t)
       fullname)))
 
 (defun archive-maybe-copy (archive)
diff --git a/lisp/bookmark.el b/lisp/bookmark.el
index 5af6ab91cc3..49abea5d3e3 100644
--- a/lisp/bookmark.el
+++ b/lisp/bookmark.el
@@ -1068,7 +1068,7 @@ that file no longer exists, then offer interactively to relocate BOOKMARK."
       (funcall (or (bookmark-get-handler bookmark)
                    'bookmark-default-handler)
                (bookmark-get-bookmark bookmark))
-    (file-error
+    (bookmark-error-no-filename         ;file-error
      ;; We were unable to find the marked file, so ask if user wants to
      ;; relocate the bookmark, else remind them to consider deletion.
      (when (stringp bookmark)
@@ -1116,24 +1116,28 @@ that file no longer exists, then offer interactively to relocate BOOKMARK."
 BMK-RECORD is a bookmark record, not a bookmark name (i.e., not a string).
 Changes current buffer and point and returns nil, or signals a `file-error'."
   (let ((file          (bookmark-get-filename bmk-record))
+        (buf           (bookmark-prop-get bmk-record 'buffer))
         (forward-str   (bookmark-get-front-context-string bmk-record))
         (behind-str    (bookmark-get-rear-context-string bmk-record))
         (place         (bookmark-get-position bmk-record)))
-    (if (not file)
-        (signal 'bookmark-error-no-filename (list 'stringp file))
-      (set-buffer (find-file-noselect file))
-      (if place (goto-char place))
-      ;; Go searching forward first.  Then, if forward-str exists and
-      ;; was found in the file, we can search backward for behind-str.
-      ;; Rationale is that if text was inserted between the two in the
-      ;; file, it's better to be put before it so you can read it,
-      ;; rather than after and remain perhaps unaware of the changes.
-      (if forward-str
-          (if (search-forward forward-str (point-max) t)
-              (goto-char (match-beginning 0))))
-      (if behind-str
-          (if (search-backward behind-str (point-min) t)
-              (goto-char (match-end 0)))))
+    (set-buffer
+     (cond
+      ((and file (file-readable-p file) (not (buffer-live-p buf)))
+       (find-file-noselect file))
+      ;; No file found.  See if buffer BUF have been created.
+      ((and buf (get-buffer buf)))
+      (t ;; If not, raise error.
+       (signal 'bookmark-error-no-filename (list 'stringp file)))))
+    (if place (goto-char place))
+    ;; Go searching forward first.  Then, if forward-str exists and
+    ;; was found in the file, we can search backward for behind-str.
+    ;; Rationale is that if text was inserted between the two in the
+    ;; file, it's better to be put before it so you can read it,
+    ;; rather than after and remain perhaps unaware of the changes.
+    (when (and forward-str (search-forward forward-str (point-max) t))
+      (goto-char (match-beginning 0)))
+    (when (and behind-str (search-backward behind-str (point-min) t))
+      (goto-char (match-end 0)))
     nil))
 
 ;;;###autoload
diff --git a/lisp/erc/ChangeLog b/lisp/erc/ChangeLog
index 8daf590ee89..c192b3400b4 100644
--- a/lisp/erc/ChangeLog
+++ b/lisp/erc/ChangeLog
@@ -1,3 +1,7 @@
+2010-02-07  Vivek Dasmohapatra  <vivek@etla.org>
+
+        * erc-services.el (erc-nickserv-alist): Fix defcustom type (Bug#5520).
+
 2010-01-25  Vivek Dasmohapatra  <vivek@etla.org>
 
         * erc-backend.el (erc-session-connector): New var.
diff --git a/lisp/erc/erc-services.el b/lisp/erc/erc-services.el
index c917a5692b8..50a100d6932 100644
--- a/lisp/erc/erc-services.el
+++ b/lisp/erc/erc-services.el
@@ -303,7 +303,11 @@ The last two elements are optional."
                  (boolean :tag "Use current nick in identify message?")
                  (choice :tag "Command to use (optional)"
                   (string :tag "Command")
-                  (const :tag "No special command necessary" nil)))))
+                  (const :tag "No special command necessary" nil))
+                 (choice :tag "Detect Success"
+                         (regexp :tag "Pattern to match")
+                         (const :tag "Do not try to detect success" nil)))))
+
 
 (defsubst erc-nickserv-alist-sender (network &optional entry)
   (nth 1 (or entry (assoc network erc-nickserv-alist))))
diff --git a/lisp/eshell/em-ls.el b/lisp/eshell/em-ls.el
index 094f3ad9bb3..860ad5c77d8 100644
--- a/lisp/eshell/em-ls.el
+++ b/lisp/eshell/em-ls.el
@@ -225,18 +225,28 @@ really need to stick around for very long."
       (eq (aref (nth 8 attrs) 0) type)))
 
 (defmacro eshell-ls-applicable (attrs index func file)
-  "Test whether, for ATTRS, the user UID can do what corresponds to INDEX.
-This is really just for efficiency, to avoid having to stat the file
-yet again."
-  `(if (numberp (nth 2 ,attrs))
-       (if (= (user-uid) (nth 2 ,attrs))
-           (not (eq (aref (nth 8 ,attrs) ,index) ?-))
-         (,(eval func) ,file))
-     (not (eq (aref (nth 8 ,attrs)
-                    (+ ,index (if (member (nth 2 ,attrs)
-                                          (eshell-current-ange-uids))
-                                  0 6)))
-              ?-))))
+  "Test whether, for ATTRS, the user can do what corresponds to INDEX.
+ATTRS is a string of file modes.  See `file-attributes'.
+If we cannot determine the answer using ATTRS (e.g., if we need
+to know what group the user is in), compute the return value by
+calling FUNC with FILE as an argument."
+  `(let ((owner (nth 2 ,attrs))
+         (modes (nth 8 ,attrs)))
+     (cond ((cond ((numberp owner)
+                   (= owner (user-uid)))
+                  ((stringp owner)
+                   (or (string-equal owner (user-login-name))
+                       (member owner (eshell-current-ange-uids)))))
+            ;; The user owns this file.
+            (not (eq (aref modes ,index) ?-)))
+           ((eq (aref modes (+ ,index 3))
+                (aref modes (+ ,index 6)))
+            ;; If the "group" and "other" fields give identical
+            ;; results, use that.
+            (not (eq (aref modes (+ ,index 3)) ?-)))
+           (t
+            ;; Otherwise call FUNC.
+            (,(eval func) ,file)))))
 
 (defcustom eshell-ls-highlight-alist nil
   "*This alist correlates test functions to color.
@@ -393,13 +403,13 @@ Sort entries alphabetically across.")
                (eshell-glob-regexp ignore-pattern))))
      ;; list the files!
      (eshell-ls-entries
-      (mapcar (function
-               (lambda (arg)
-                 (cons (if (and (eshell-under-windows-p)
-                                (file-name-absolute-p arg))
-                           (expand-file-name arg)
-                         arg)
-                       (eshell-file-attributes arg))))
+      (mapcar (lambda (arg)
+                (cons (if (and (eshell-under-windows-p)
+                               (file-name-absolute-p arg))
+                          (expand-file-name arg)
+                        arg)
+                      (eshell-file-attributes
+                       arg (if numeric-uid-gid 'integer 'string))))
               args)
       t (expand-file-name default-directory)))
    (funcall flush-func)))
@@ -710,7 +720,7 @@ Each member of FILES is either a string or a cons cell of the form
             (funcall insert-func need-return "\n"))))))
 
 (defun eshell-ls-entries (entries &optional separate root-dir)
-  "Output PATH's directory ENTRIES, formatted according to OPTIONS.
+  "Output PATH's directory ENTRIES.
 Each member of ENTRIES may either be a string or a cons cell, the car
 of which is the file name, and the cdr of which is the list of
 attributes.
diff --git a/lisp/eshell/esh-util.el b/lisp/eshell/esh-util.el
index 7c21e2e3302..1a4c5e1021b 100644
--- a/lisp/eshell/esh-util.el
+++ b/lisp/eshell/esh-util.el
@@ -701,8 +701,11 @@ If NOSORT is non-nil, the list is not sorted--its order is unpredictable.
         (forward-line)))
     entry))
 
-(defun eshell-file-attributes (file)
-  "Return the attributes of FILE, playing tricks if it's over ange-ftp."
+(defun eshell-file-attributes (file &optional id-format)
+  "Return the attributes of FILE, playing tricks if it's over ange-ftp.
+The optional argument ID-FORMAT specifies the preferred uid and
+gid format.  Valid values are 'string and 'integer, defaulting to
+'integer.  See `file-attributes'."
   (let* ((file (expand-file-name file))
          entry)
     (if (string-equal (file-remote-p file 'method) "ftp")
@@ -723,7 +726,7 @@ If NOSORT is non-nil, the list is not sorted--its order is unpredictable.
                       (setq entry (cdr fentry))
                     (setq entry nil)))))
           entry)
-      (file-attributes file))))
+      (file-attributes file id-format))))
 
 (defalias 'eshell-copy-tree 'copy-tree)
 
diff --git a/lisp/faces.el b/lisp/faces.el
index 8edd2851b88..a5bc7b1c965 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -735,10 +735,10 @@ like an underlying face would be, with higher priority than underlying faces."
         (unless foundry
           (setq foundry (match-string 1 family)))
         (setq family (match-string 2 family)))
-      (when (stringp family)
+      (when (or (stringp family) (eq family 'unspecified))
         (internal-set-lisp-face-attribute face :family (purecopy family)
                                           where))
-      (when (stringp foundry)
+      (when (or (stringp foundry) (eq foundry 'unspecified))
         (internal-set-lisp-face-attribute face :foundry (purecopy foundry)
                                           where)))
     (while args
diff --git a/lisp/ffap.el b/lisp/ffap.el
index 324094e334e..23caae74962 100644
--- a/lisp/ffap.el
+++ b/lisp/ffap.el
@@ -1796,7 +1796,8 @@ ffap most of the time."
 
 ;;;###autoload
 (defun dired-at-point (&optional filename)
-  "Start Dired, defaulting to file at point.  See `ffap'."
+  "Start Dired, defaulting to file at point.  See `ffap'.
+If `dired-at-point-require-prefix' is set, the prefix meaning is reversed."
   (interactive)
   (if (and (called-interactively-p 'interactive)
            (if dired-at-point-require-prefix
diff --git a/lisp/info.el b/lisp/info.el
index 4789d67e659..93001496b5c 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -4797,7 +4797,7 @@ type returned by `Info-bookmark-make-record', which see."
     ;; Use bookmark-default-handler to move to the appropriate location
     ;; within the node.
     (bookmark-default-handler
-     (list* "" `(buffer . ,buf) (bookmark-get-bookmark-record bmk)))))
+     `("" (buffer . ,buf) . ,(bookmark-get-bookmark-record bmk)))))
 
 (provide 'info)
 
diff --git a/lisp/international/mule-util.el b/lisp/international/mule-util.el
index 74ef25e147b..da9baef266c 100644
--- a/lisp/international/mule-util.el
+++ b/lisp/international/mule-util.el
@@ -323,7 +323,7 @@ operations such as `find-coding-systems-region'."
      (unwind-protect
          (progn ,@body)
        (apply #'set-coding-system-priority ,current)))))
-(put 'with-coding-priority 'lisp-indent-function 1)
+;;;###autoload(put 'with-coding-priority 'lisp-indent-function 1)
 (put 'with-coding-priority 'edebug-form-spec t)
 
 ;;;###autoload
diff --git a/lisp/iswitchb.el b/lisp/iswitchb.el
index ee06db6f78f..ea4b00dc90d 100644
--- a/lisp/iswitchb.el
+++ b/lisp/iswitchb.el
@@ -1274,7 +1274,7 @@ Modified from `icomplete-completions'."
     ;; consult the list of past visited files, to see if we can find
     ;; the file which the user might thought was still open.
     (when (and iswitchb-use-virtual-buffers (null comps)
-               (or recentf-list bookmark-alist))
+               recentf-list)
       (setq iswitchb-virtual-buffers nil)
       (let ((head recentf-list) name)
         (while head
@@ -1289,30 +1289,15 @@ Modified from `icomplete-completions'."
               (setq iswitchb-virtual-buffers
                     (cons (cons name (car head))
                           iswitchb-virtual-buffers)))
-          (setq head (cdr head))))
-      (let ((head bookmark-alist) name path)
-        (while head
-          (if (and (setq path (cdr (assq 'filename (cdar head))))
-                   (setq name (file-name-nondirectory path))
-                   (string-match (if iswitchb-regexp
-                                     iswitchb-text
-                                   (regexp-quote iswitchb-text)) name)
-                   (null (get-file-buffer path))
-                   (not (assoc name iswitchb-virtual-buffers))
-                   (not (iswitchb-ignore-buffername-p name))
-                   (file-exists-p path))
-              (setq iswitchb-virtual-buffers
-                    (cons (cons name path)
-                          iswitchb-virtual-buffers)))
-          (setq head (cdr head))))
-      (setq iswitchb-virtual-buffers (nreverse iswitchb-virtual-buffers)
-            comps (mapcar 'car iswitchb-virtual-buffers))
+          (setq head (cdr head)))
+        (setq iswitchb-virtual-buffers (nreverse iswitchb-virtual-buffers)
+              comps (mapcar 'car iswitchb-virtual-buffers))
         (let ((comp comps))
           (while comp
             (put-text-property 0 (length (car comp))
                                'face 'iswitchb-virtual-matches
                                (car comp))
-            (setq comp (cdr comp)))))
+            (setq comp (cdr comp))))))
 
     (cond ((null comps) (format " %sNo match%s"
                                 open-bracket-determined
diff --git a/lisp/ls-lisp.el b/lisp/ls-lisp.el
index 284e9db97ee..2e061558466 100644
--- a/lisp/ls-lisp.el
+++ b/lisp/ls-lisp.el
@@ -400,6 +400,7 @@ not contain `d', so that a full listing is expected."
     ;; If not full-directory-p, FILE *must not* end in /, as
     ;; file-attributes will not recognize a symlink to a directory,
     ;; so must make it a relative filename as ls does:
+    (if (file-name-absolute-p file) (setq file (expand-file-name file)))
     (if (eq (aref file (1- (length file))) ?/)
         (setq file (substring file 0 -1)))
     (let ((fattr (file-attributes file 'string)))
diff --git a/lisp/man.el b/lisp/man.el
index e729e11b6ca..dd64fbda574 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -771,8 +771,13 @@ POS defaults to `point'."
           ;; quote anything.
           (let ((process-environment (copy-sequence process-environment)))
             (setenv "COLUMNS" "999") ;; don't truncate long names
-            (call-process manual-program nil '(t nil) nil
-                          "-k" (concat "^" prefix)))
+            ;; manual-program might not even exist.  And since it's
+            ;; run differently in Man-getpage-in-background, an error
+            ;; here may not necessarily mean that we'll also get an
+            ;; error later.
+            (ignore-errors
+              (call-process manual-program nil '(t nil) nil
+                            "-k" (concat "^" prefix))))
           (goto-char (point-min))
           (while (re-search-forward "^\\([^ \t\n]+\\)\\(?: ?\\((.+?)\\)\\(?:[ \t]+- \\(.*\\)\\)?\\)?" nil t)
             (push (propertize (concat (match-string 1) (match-string 2))
diff --git a/lisp/progmodes/ada-mode.el b/lisp/progmodes/ada-mode.el
index a08e31e2016..95f9f6babf3 100644
--- a/lisp/progmodes/ada-mode.el
+++ b/lisp/progmodes/ada-mode.el
@@ -1017,6 +1017,9 @@ If PARSE-RESULT is non-nil, use it instead of calling `parse-partial-sexp'."
                           (line-beginning-position) (point))))
   (or (ada-in-string-p parse-result) (ada-in-comment-p parse-result)))
 
+(defsubst ada-in-numeric-literal-p ()
+  "Return t if point is after a prefix of a numeric literal."
+  (looking-back "\\([0-9]+#[0-9a-fA-F_]+\\)"))
 
 ;;------------------------------------------------------------------
 ;; Contextual menus
@@ -1606,6 +1609,8 @@ If FORCE-IDENTIFIER is non-nil then also adjust keyword as identifier."
                  (eq (char-syntax (char-before)) ?w)
                  ;;  if in a string or a comment
                  (not (ada-in-string-or-comment-p))
+                 ;;  if in a numeric literal
+                 (not (ada-in-numeric-literal-p))
                  )
             (if (save-excursion
                   (forward-word -1)
diff --git a/lisp/progmodes/f90.el b/lisp/progmodes/f90.el
index eda9f4e0155..21273359486 100644
--- a/lisp/progmodes/f90.el
+++ b/lisp/progmodes/f90.el
@@ -158,10 +158,8 @@
 ;; 3. Support for align.
 ;; Font-locking:
 ;; 1. OpenMP, OpenMPI?, preprocessor highlighting.
-;; 2. interface blah - Highlight "blah" in function-name face?
-;; Need to avoid "interface operator (+)" etc.
-;; 3. integer_name = 1
-;; 4. Labels for "else" statements (F2003)?
+;; 2. integer_name = 1
+;; 3. Labels for "else" statements (F2003)?
 
 (defvar comment-auto-fill-only-comments)
 (defvar font-lock-keywords)
@@ -467,22 +465,21 @@ type-name parts, respectively."
 ;;;      (1 font-lock-keyword-face) (3 font-lock-function-name-face))
    '(f90-typedef-matcher
      (1 font-lock-keyword-face) (2 font-lock-function-name-face))
-   ;; Other functions and declarations.
+    ;; F2003.  Prevent operators being highlighted as functions.
+    '("\\<\\(\\(?:end[ \t]*\\)?interface[ \t]*\\(?:assignment\\|operator\\|\
+read\\|write\\)\\)[ \t]*(" (1 font-lock-keyword-face t))
+   ;; Other functions and declarations.  Named interfaces = F2003.
    '("\\<\\(\\(?:end[ \t]*\\)?\\(program\\|module\\|function\\|associate\\|\
-subroutine\\)\\|use\\|call\\)\\>[ \t]*\\(\\sw+\\)?"
+subroutine\\|interface\\)\\|use\\|call\\)\\>[ \t]*\\(\\sw+\\)?"
      (1 font-lock-keyword-face) (3 font-lock-function-name-face nil t))
    ;; F2003.
    '("\\<\\(use\\)[ \t]*,[ \t]*\\(\\(?:non_\\)?intrinsic\\)[ \t]*::[ \t]*\
 \\(\\sw+\\)"
      (1 font-lock-keyword-face) (2 font-lock-keyword-face)
      (3 font-lock-function-name-face))
-   "\\<\\(\\(end[ \t]*\\)?block[ \t]*data\\|contains\\|\
-end[ \t]*interface\\)\\>"
-   ;; "abstract interface" is F2003. Must come after previous entry.
-   '("\\<\\(\\(?:abstract[ \t]*\\)?interface\\)\\>"
-     ;; [ \t]*\\(\\(\\sw+\\)[ \t]*[^(]\\)?"
-     ;; (2) messes up "interface operator ()", etc.
-     (1 font-lock-keyword-face))) ;(2 font-lock-function-name-face nil t)))
+   "\\<\\(\\(end[ \t]*\\)?block[ \t]*data\\|contains\\)\\>"
+   ;; "abstract interface" is F2003.
+   '("\\<abstract[ \t]*interface\\>" (0 font-lock-keyword-face t)))
   "This does fairly subdued highlighting of comments and function calls.")
 
 ;; NB not explicitly handling this, yet it seems to work.
@@ -1229,7 +1226,7 @@ NAME is nil if the statement has no label."
 
 (defsubst f90-looking-at-type-like ()
   "Return (KIND NAME) if a type/enum/interface/block-data starts after point.
-NAME is non-nil only for type."
+NAME is non-nil only for type and certain interfaces."
   (cond
    ((save-excursion
       (and (looking-at "\\<type\\>[ \t]*")
@@ -1242,7 +1239,15 @@ NAME is non-nil only for type."
 ;;;    ((and (not (looking-at f90-typeis-re))
 ;;;          (looking-at f90-type-def-re))
 ;;;     (list (match-string 1) (match-string 2)))
-   ((looking-at "\\(enum\\|interface\\|block[ \t]*data\\)\\>")
+   ((looking-at "\\<\\(interface\\)\\>[ \t]*")
+    (list (match-string 1)
+          (save-excursion
+            (goto-char (match-end 0))
+            (if (or (looking-at "\\(operator\\|assignment\\|read\\|\
+write\\)[ \t]*([^)\n]*)")
+                    (looking-at "\\sw+"))
+                (match-string 0)))))
+   ((looking-at "\\(enum\\|block[ \t]*data\\)\\>")
     (list (match-string 1) nil))
    ((looking-at "abstract[ \t]*\\(interface\\)\\>")
     (list (match-string 1) nil))))
@@ -1270,9 +1275,12 @@ NAME is non-nil only for type."
 
 (defsubst f90-looking-at-program-block-end ()
   "Return (KIND NAME) if a block with name NAME ends after point."
-  (if (looking-at (concat "end[ \t]*" f90-blocks-re
-                          "?\\([ \t]+\\(\\sw+\\)\\)?\\>"))
-      (list (match-string 1) (match-string 3))))
+  (cond ((looking-at "end[ \t]*\\(interface\\)[ \t]*\\(\
+\\(?:assignment\\|operator\\|read\\|write\\)[ \t]*([^)\n]*)\\)")
+         (list (match-string 1) (match-string 2)))
+        ((looking-at (concat "end[ \t]*" f90-blocks-re
+                             "?\\([ \t]+\\(\\sw+\\)\\)?\\>"))
+        (list (match-string 1) (match-string 3)))))
 
 (defsubst f90-comment-indent ()
   "Return the indentation to be used for a comment starting at point.
diff --git a/lisp/subr.el b/lisp/subr.el
index b80988ad723..d2363099b7c 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -2232,10 +2232,14 @@ If MESSAGE is nil, instructions to type EXIT-CHAR are displayed there."
 
 (defun copy-overlay (o)
   "Return a copy of overlay O."
-  (let ((o1 (make-overlay (overlay-start o) (overlay-end o)
-                          ;; FIXME: there's no easy way to find the
-                          ;; insertion-type of the two markers.
-                          (overlay-buffer o)))
+  (let ((o1 (if (overlay-buffer o)
+                (make-overlay (overlay-start o) (overlay-end o)
+                              ;; FIXME: there's no easy way to find the
+                              ;; insertion-type of the two markers.
+                              (overlay-buffer o))
+              (let ((o1 (make-overlay (point-min) (point-min))))
+                (delete-overlay o1)
+                o1)))
         (props (overlay-properties o)))
     (while props
       (overlay-put o1 (pop props) (pop props)))
diff --git a/lisp/term/xterm.el b/lisp/term/xterm.el
index d881e6fcc7d..ccedf4045e4 100644
--- a/lisp/term/xterm.el
+++ b/lisp/term/xterm.el
@@ -679,7 +679,6 @@ versions of xterm."
   ;; Use the heuristic in `frame-set-background-mode' to decide if a
   ;; frame is dark.
   (when (< (+ redc greenc bluec) (* .6 (+ 65535 65535 65535)))
-    (setq xterm-background-mode-changed t)
     (set-terminal-parameter nil 'background-mode 'dark)
     t))
 
diff --git a/lisp/textmodes/artist.el b/lisp/textmodes/artist.el
index e1d7b053491..bc5f29482e7 100644
--- a/lisp/textmodes/artist.el
+++ b/lisp/textmodes/artist.el
@@ -859,15 +859,15 @@ ARROW-PRED is a function that is called to find out if the shape
   can have arrows.  The function is called with no arguments and
   must return nil or t.
 ARROW-SET-FN is a function that is called to set arrow end-points.
-  Arguments and return values for this funcion are described below.
+  Arguments and return values for this function are described below.
 INIT-FN is, if non-nil, a function that is called when the first
   point of the shape is set.  Arguments and return values for
-  this funcion are described below.
+  this function are described below.
 PREP-FILL-FN is, if non-nil, a function that is called after
   the last point is set, but before the filling is done.
-  Arguments and return values for this funcion are described below.
+  Arguments and return values for this function are described below.
 EXIT-FN is, if non-nil, a function that is called after filling
-  is done.  Arguments and return values for this funcion are
+  is done.  Arguments and return values for this function are
   described below.
 DRAW-HOW defines the kind of shape.  The kinds of shapes are:
   `artist-do-continously'  -- Do drawing operation continuously,
@@ -876,7 +876,7 @@ DRAW-HOW defines the kind of shape.  The kinds of shapes are:
   1                        -- Do drawing operation only once.
   2                        -- The drawing operation requires two points.
 DRAW-FN is the function to call for drawing.  Arguments and
-  return values for this funcion are described below.
+  return values for this function are described below.
 EXTRA-DRAW-INFO the layout of this depends on the value of DRAW-HOW:
   If DRAW-HOW is `artist-do-continously':
 
@@ -894,20 +894,20 @@ EXTRA-DRAW-INFO the layout of this depends on the value of DRAW-HOW:
     (UNDRAW-FN FILL-PRED FILL-FN)
 
     UNDRAW-FN is a function to call for undrawing the shape.
-      Arguments and return values for this funcion are
+      Arguments and return values for this function are
       described below.
     FILL-PRED is a function that is called to find out if the shape
       can have arrows.  The function must take no arguments and
       return nil or t.
     FILL-FN  is a function to call for filling the shape.
-      Arguments and return values for this funcion are
+      Arguments and return values for this function are
       described below.
 
   If DRAW-HOW is 1:
 
     ()
 
-Note! All symbols and keywords (both in the `funcion-call' INFO-PART
+Note! All symbols and keywords (both in the `function-call' INFO-PART
       as well as in the `graphics-operation' INFO-PART) must be unique.
 
 The following table describe function arguments and return value