merge trunk

124 files changed, 431 insertions, 292 deletions

diff --git a/ChangeLog b/ChangeLog
index 3e662edb6bc..8dfe5f2746b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Port better to POSIX hosts lacking _setjmp (Bug#12446).
+        * configure.ac (HAVE__SETJMP, HAVE_SIGSETJMP): New symbols.
+        (_setjmp, _longjmp): Remove.
+
 2012-09-14  Paul Eggert  <eggert@cs.ucla.edu>
 
         * configure.ac (--without-sync-input): Fix typo in usage message.
diff --git a/autogen/config.in b/autogen/config.in
index f8e4c2bcce3..39e948ee228 100644
--- a/autogen/config.in
+++ b/autogen/config.in
@@ -791,6 +791,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if 'wint_t' is a signed integer type. */
 #undef HAVE_SIGNED_WINT_T
 
+/* Define to 1 if sigsetjmp and siglongjmp work. The value of this symbol is
+   irrelevant if HAVE__SETJMP is defined. */
+#undef HAVE_SIGSETJMP
+
 /* Define to 1 if the system has the type `sigset_t'. */
 #undef HAVE_SIGSET_T
 
@@ -1074,6 +1078,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `_ftime' function. */
 #undef HAVE__FTIME
 
+/* Define to 1 if _setjmp and _longjmp work. */
+#undef HAVE__SETJMP
+
 /* Define to 1 if you have the `__builtin_unwind_init' function. */
 #undef HAVE___BUILTIN_UNWIND_INIT
 
@@ -1502,14 +1509,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    declarations. Define as empty for no equivalent. */
 #undef __restrict_arr
 
-/* Define to longjmp if _setjmp and _longjmp do not work. Because longjmp may
-   alter signal masks, callers of _longjmp should not assume that it leaves
-   signal masks alone. */
-#undef _longjmp
-
-/* Define to setjmp if _setjmp and _longjmp do not work. See _longjmp. */
-#undef _setjmp
-
 /* Some platforms that do not use configure define this to include extra
    configuration information. */
 #undef config_opsysfile
diff --git a/autogen/configure b/autogen/configure
index 63295f68db0..0cbdd7c732a 100755
--- a/autogen/configure
+++ b/autogen/configure
@@ -2061,7 +2061,7 @@ Optional Packages:
   --with-mailhost=HOSTNAME
                           string giving default POP mail host
   --without-sound         don't compile with sound support
-  --without-sync-input    process async input synchronously
+  --without-sync-input    don't process async input synchronously
   --with-x-toolkit=KIT    use an X toolkit (KIT one of: yes or gtk, gtk2,
                           gtk3, lucid or athena, motif, no)
   --with-wide-int         prefer wide Emacs integers (typically 62-bit)
@@ -8578,8 +8578,9 @@ $as_echo "no" >&6; }
             ALSA_CFLAGS=""
             ALSA_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            ALSA_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$ALSA_MODULES"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            ALSA_PKG_ERRORS=`($PKG_CONFIG --print-errors "$ALSA_MODULES") 2>&1`
 
         fi
 
@@ -10398,8 +10399,9 @@ $as_echo "no" >&6; }
             RSVG_CFLAGS=""
             RSVG_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            RSVG_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$RSVG_MODULE"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            RSVG_PKG_ERRORS=`($PKG_CONFIG --print-errors "$RSVG_MODULE") 2>&1`
 
         fi
 
@@ -10468,8 +10470,9 @@ $as_echo "no" >&6; }
             IMAGEMAGICK_CFLAGS=""
             IMAGEMAGICK_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            IMAGEMAGICK_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$IMAGEMAGICK_MODULE"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            IMAGEMAGICK_PKG_ERRORS=`($PKG_CONFIG --print-errors "$IMAGEMAGICK_MODULE") 2>&1`
 
         fi
 
@@ -10554,8 +10557,9 @@ $as_echo "no" >&6; }
             GTK_CFLAGS=""
             GTK_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            GTK_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$GTK_MODULES"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            GTK_PKG_ERRORS=`($PKG_CONFIG --print-errors "$GTK_MODULES") 2>&1`
 
         fi
 
@@ -10624,8 +10628,9 @@ $as_echo "no" >&6; }
             GTK_CFLAGS=""
             GTK_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            GTK_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$GTK_MODULES"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            GTK_PKG_ERRORS=`($PKG_CONFIG --print-errors "$GTK_MODULES") 2>&1`
 
         fi
 
@@ -10643,10 +10648,10 @@ $as_echo "no" >&6; }
      pkg_check_gtk=no
   fi
 
-  if test "$pkg_check_gtk" = "no"; then
-     if test "$USE_X_TOOLKIT" = "maybe" || test "$with_gtk" = "yes" || test "$with_gtk2" = "yes"; then
-        as_fn_error "$gtk3_pkg_errors$GTK_PKG_ERRORS" "$LINENO" 5
-     fi
+  if test "$pkg_check_gtk" = "no" &&
+     { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
+  then
+    as_fn_error "$gtk3_pkg_errors$GTK_PKG_ERRORS" "$LINENO" 5
   fi
 fi
 
@@ -10785,8 +10790,9 @@ $as_echo "no" >&6; }
             DBUS_CFLAGS=""
             DBUS_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            DBUS_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "dbus-1 >= 1.0"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            DBUS_PKG_ERRORS=`($PKG_CONFIG --print-errors "dbus-1 >= 1.0") 2>&1`
 
         fi
 
@@ -10865,8 +10871,9 @@ $as_echo "no" >&6; }
             GSETTINGS_CFLAGS=""
             GSETTINGS_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            GSETTINGS_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gio-2.0 >= 2.26"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            GSETTINGS_PKG_ERRORS=`($PKG_CONFIG --print-errors "gio-2.0 >= 2.26") 2>&1`
 
         fi
 
@@ -10926,8 +10933,9 @@ $as_echo "no" >&6; }
             GCONF_CFLAGS=""
             GCONF_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            GCONF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gconf-2.0 >= 2.13"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            GCONF_PKG_ERRORS=`($PKG_CONFIG --print-errors "gconf-2.0 >= 2.13") 2>&1`
 
         fi
 
@@ -10986,8 +10994,9 @@ $as_echo "no" >&6; }
             GOBJECT_CFLAGS=""
             GOBJECT_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            GOBJECT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gobject-2.0 >= 2.0"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            GOBJECT_PKG_ERRORS=`($PKG_CONFIG --print-errors "gobject-2.0 >= 2.0") 2>&1`
 
         fi
 
@@ -11119,8 +11128,9 @@ $as_echo "no" >&6; }
             LIBGNUTLS_CFLAGS=""
             LIBGNUTLS_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            LIBGNUTLS_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gnutls >= 2.6.6"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            LIBGNUTLS_PKG_ERRORS=`($PKG_CONFIG --print-errors "gnutls >= 2.6.6") 2>&1`
 
         fi
 
@@ -11748,8 +11758,9 @@ $as_echo "no" >&6; }
             FONTCONFIG_CFLAGS=""
             FONTCONFIG_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "fontconfig >= 2.2.0"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            FONTCONFIG_PKG_ERRORS=`($PKG_CONFIG --print-errors "fontconfig >= 2.2.0") 2>&1`
 
         fi
 
@@ -11806,8 +11817,9 @@ $as_echo "no" >&6; }
             XFT_CFLAGS=""
             XFT_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            XFT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "xft >= 0.13.0"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            XFT_PKG_ERRORS=`($PKG_CONFIG --print-errors "xft >= 0.13.0") 2>&1`
 
         fi
 
@@ -11973,8 +11985,9 @@ $as_echo "no" >&6; }
             FREETYPE_CFLAGS=""
             FREETYPE_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            FREETYPE_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "freetype2"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            FREETYPE_PKG_ERRORS=`($PKG_CONFIG --print-errors "freetype2") 2>&1`
 
         fi
 
@@ -12033,8 +12046,9 @@ $as_echo "no" >&6; }
             LIBOTF_CFLAGS=""
             LIBOTF_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            LIBOTF_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libotf"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            LIBOTF_PKG_ERRORS=`($PKG_CONFIG --print-errors "libotf") 2>&1`
 
         fi
 
@@ -12141,8 +12155,9 @@ $as_echo "no" >&6; }
             M17N_FLT_CFLAGS=""
             M17N_FLT_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            M17N_FLT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "m17n-flt"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            M17N_FLT_PKG_ERRORS=`($PKG_CONFIG --print-errors "m17n-flt") 2>&1`
 
         fi
 
@@ -12830,8 +12845,9 @@ $as_echo "no" >&6; }
             LIBXML2_CFLAGS=""
             LIBXML2_LIBS=""
             ## If we have a custom action on failure, don't print errors, but
-            ## do set a variable so people can do so.
-            LIBXML2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libxml-2.0 > 2.6.17"`
+            ## do set a variable so people can do so.  Do it in a subshell
+            ## to capture any diagnostics in invoking pkg-config.
+            LIBXML2_PKG_ERRORS=`($PKG_CONFIG --print-errors "libxml-2.0 > 2.6.17") 2>&1`
 
         fi
 
@@ -15461,13 +15477,45 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_func__setjmp" >&5
 $as_echo "$emacs_cv_func__setjmp" >&6; }
-if test $emacs_cv_func__setjmp = no; then
+if test $emacs_cv_func__setjmp = yes; then
 
-$as_echo "#define _setjmp setjmp" >>confdefs.h
+$as_echo "#define HAVE__SETJMP 1" >>confdefs.h
 
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
+$as_echo_n "checking for sigsetjmp... " >&6; }
+if test "${emacs_cv_func_sigsetjmp+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <setjmp.h>
+
+int
+main ()
+{
+sigjmp_buf j;
+           if (! sigsetjmp (j, 1))
+             siglongjmp (j, 1);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  emacs_cv_func_sigsetjmp=yes
+else
+  emacs_cv_func_sigsetjmp=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_cv_func_sigsetjmp" >&5
+$as_echo "$emacs_cv_func_sigsetjmp" >&6; }
+  if test $emacs_cv_func_sigsetjmp = yes; then
 
-$as_echo "#define _longjmp longjmp" >>confdefs.h
+$as_echo "#define HAVE_SIGSETJMP 1" >>confdefs.h
 
+  fi
 fi
 
 case $opsys in
diff --git a/configure.ac b/configure.ac
index 382e62a97a1..f810c839587 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3774,13 +3774,24 @@ AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
            _longjmp (j, 1);]])],
      [emacs_cv_func__setjmp=yes],
      [emacs_cv_func__setjmp=no])])
-if test $emacs_cv_func__setjmp = no; then
-  AC_DEFINE([_setjmp], [setjmp],
-    [Define to setjmp if _setjmp and _longjmp do not work.  See _longjmp.])
-  AC_DEFINE([_longjmp], [longjmp],
-    [Define to longjmp if _setjmp and _longjmp do not work.
-     Because longjmp may alter signal masks, callers of _longjmp
-     should not assume that it leaves signal masks alone.])
+if test $emacs_cv_func__setjmp = yes; then
+  AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
+else
+  AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
+    [AC_LINK_IFELSE(
+       [AC_LANG_PROGRAM(
+         [[#include <setjmp.h>
+         ]],
+         [[sigjmp_buf j;
+           if (! sigsetjmp (j, 1))
+             siglongjmp (j, 1);]])],
+       [emacs_cv_func_sigsetjmp=yes],
+       [emacs_cv_func_sigsetjmp=no])])
+  if test $emacs_cv_func_sigsetjmp = yes; then
+    AC_DEFINE([HAVE_SIGSETJMP], 1,
+      [Define to 1 if sigsetjmp and siglongjmp work.
+       The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
+  fi
 fi
 
 case $opsys in
diff --git a/etc/NEWS b/etc/NEWS
index 4c6ceae1688..3344158b73c 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -735,6 +735,7 @@ in Emacs 24.1:
 **** `special-display-frame-alist'
 **** `special-display-buffer-names'
 **** `special-display-function'
+**** `display-buffer-function'
 
 ** Completion
 
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index c9aa7e99356..a7538e50d82 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,18 @@
+2012-09-16  Chong Yidong  <cyd@gnu.org>
+
+        * window.el (special-display-popup-frame): Doc fix (Bug#8853).
+        (display-buffer-function): Mark as obsolete.
+
+        * progmodes/compile.el (compilation-parse-errors): Accept list
+        values similar to font-lock-keywords (Bug#12136).  Suggested by
+        Oleksandr Manzyuk.
+        (compilation-error-regexp-alist): Doc fix.
+
 2012-09-15  Glenn Morris  <rgm@gnu.org>
 
+        * version.el (emacs-bzr-version-bzr): New function.
+        (emacs-bzr-get-version): Add optional EXTERNAL argument.
+
         * vc/vc-bzr.el (vc-bzr-working-revision): For lightweight local
         checkouts, check the parent dirstate matches the branch.
         Add "--tree" to "bzr revno" arguments.  Don't try to shorten the
diff --git a/lisp/dired.el b/lisp/dired.el
index ebc8f5da6d5..54921a4ea66 100644
--- a/lisp/dired.el
+++ b/lisp/dired.el
@@ -3744,7 +3744,7 @@ Ask means pop up a menu for the user to select one of copy, move or link."
 ;;;;;;  dired-run-shell-command dired-do-shell-command dired-do-async-shell-command
 ;;;;;;  dired-clean-directory dired-do-print dired-do-touch dired-do-chown
 ;;;;;;  dired-do-chgrp dired-do-chmod dired-compare-directories dired-backup-diff
-;;;;;;  dired-diff) "dired-aux" "dired-aux.el" "22ce64daa7ccb5698cb6b1279aa59ec2")
+;;;;;;  dired-diff) "dired-aux" "dired-aux.el" "3c768e470d5d053d0049e0286ce38da7")
 ;;; Generated autoloads from dired-aux.el
 
 (autoload 'dired-diff "dired-aux" "\
diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index fbb0c9e204a..f5dedf0cd59 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -488,9 +488,12 @@ What matched the HYPERLINK'th subexpression has `mouse-face' and
 `compilation-message-face' applied.  If this is nil, the text
 matched by the whole REGEXP becomes the hyperlink.
 
-Additional HIGHLIGHTs take the shape (SUBMATCH FACE), where SUBMATCH is
-the number of a submatch that should be highlighted when it matches,
-and FACE is an expression returning the face to use for that submatch.."
+Additional HIGHLIGHTs take the shape (SUBMATCH FACE), where
+SUBMATCH is the number of a submatch and FACE is an expression
+which evaluates to a face name (a symbol or string).
+Alternatively, FACE can evaluate to a property list of the
+form (face FACE PROP1 VAL1 PROP2 VAL2 ...), in which case all the
+listed text properties PROP# are given values VAL# as well."
   :type '(repeat (choice (symbol :tag "Predefined symbol")
                          (sexp :tag "Error specification")))
   :link `(file-link :tag "example file"
@@ -1328,16 +1331,27 @@ to `compilation-error-regexp-alist' if RULES is nil."
             (compilation--put-prop
              end-col 'font-lock-face compilation-column-face)
 
+            ;; Obey HIGHLIGHT.
             (dolist (extra-item (nthcdr 6 item))
               (let ((mn (pop extra-item)))
                 (when (match-beginning mn)
                   (let ((face (eval (car extra-item))))
                     (cond
                      ((null face))
-                     ((symbolp face)
+                     ((or (symbolp face) (stringp face))
                       (put-text-property
                        (match-beginning mn) (match-end mn)
                        'font-lock-face face))
+                     ((and (listp face)
+                           (eq (car face) 'face)
+                           (or (symbolp (cadr face))
+                               (stringp (cadr face))))
+                      (put-text-property
+                       (match-beginning mn) (match-end mn)
+                       'font-lock-face (cadr face))
+                      (add-text-properties
+                       (match-beginning mn) (match-end mn)
+                       (nthcdr 2 face)))
                      (t
                       (error "Don't know how to handle face %S"
                              face)))))))
diff --git a/lisp/version.el b/lisp/version.el
index 47476cb268a..1fb3828e15d 100644
--- a/lisp/version.el
+++ b/lisp/version.el
@@ -104,48 +104,74 @@ Returns nil if unable to find this information."
              (looking-at "[0-9]+\0\\([^\0\n]+\\)\0")
              (match-string 1))))))
 
-(defun emacs-bzr-get-version (&optional dir)
+(defun emacs-bzr-version-bzr (dir)
+  "Ask bzr itself for the version information for directory DIR."
+  ;; Comments on `bzr version-info':
+  ;; i) Unknown files also cause clean != 1.
+  ;; ii) It can be slow, contacting the upstream repo to get the
+  ;; branch nick if one is not set locally, even with a custom
+  ;; template that is not asking for the nick (as used here).  You'd
+  ;; think the latter part would be trivial to fix:
+  ;; https://bugs.launchpad.net/bzr/+bug/882541/comments/3
+  ;; https://bugs.launchpad.net/bzr/+bug/629150
+  ;; You can set the nick locally with `bzr nick ...', which speeds
+  ;; things up enormously.  `bzr revno' does not have this issue, but
+  ;; has no way to print the revision_id AFAICS.
+  (message "Waiting for bzr...")
+  (with-temp-buffer
+    (if (zerop
+         (call-process "bzr" nil '(t nil) nil "version-info"
+                       "--custom"
+                       "--template={revno} {revision_id} (clean = {clean})"
+                       "dir"))
+        (buffer-string))))
+
+(defun emacs-bzr-get-version (&optional dir external)
   "Try to return as a string the bzr revision of the Emacs sources.
 The format is: [revno] revision_id, where revno may be absent.
 Value is nil if the sources do not seem to be under bzr, or if we could
 not determine the revision.  Note that this reports on the current state
 of the sources, which may not correspond to the running Emacs.
 
-Optional argument DIR is a directory to use instead of `source-directory'."
+Optional argument DIR is a directory to use instead of `source-directory'.
+Optional argument EXTERNAL non-nil means to maybe ask `bzr' itself,
+if the sources appear to be under bzr.  If `force', always ask bzr.
+Otherwise only ask bzr if we cannot find any information ourselves."
   (or dir (setq dir source-directory))
   (when (file-directory-p (expand-file-name ".bzr/branch" dir))
-    (let (file loc rev)
-      (cond ((file-readable-p
-              (setq file (expand-file-name ".bzr/branch/last-revision" dir)))
-             (with-temp-buffer
-               (insert-file-contents file)
-               (goto-char (point-max))
-               (if (looking-back "\n")
-                   (delete-char -1))
-               (buffer-string)))
-            ;; OK, no last-revision.  Is it a lightweight checkout?
-            ((file-readable-p
-              (setq file (expand-file-name ".bzr/branch/location" dir)))
-             (setq rev (emacs-bzr-version-dirstate dir))
-             ;; If the parent branch is local, try looking there for the rev.
-             ;; Note: there is no guarantee that the parent branch's rev
-             ;; corresponds to this branch.  This branch could have
-             ;; been made with a specific -r revno argument, or the
-             ;; parent could have been updated since this branch was created.
-             ;; To try and detect this, we check the dirstate revids
-             ;; to see if they match.
-             (if (and (setq loc (with-temp-buffer
-                             (insert-file-contents file)
-                             (if (looking-at "file://\\(.*\\)")
-                                 (match-string 1))))
-                      (equal rev (emacs-bzr-version-dirstate loc)))
-                 (emacs-bzr-get-version loc)
-               ;; If parent does not match, the best we can do without
-               ;; calling external commands is to use the dirstate rev.
-               rev))
-            ;; At this point, could fall back to:
-            ;; bzr version-info --custom --template='{revno} {revision_id}\n'
-            ))))
+    (if (eq external 'force)
+        (emacs-bzr-version-bzr dir)
+      (let (file loc rev)
+        (cond ((file-readable-p
+                (setq file (expand-file-name ".bzr/branch/last-revision" dir)))
+               (with-temp-buffer
+                 (insert-file-contents file)
+                 (goto-char (point-max))
+                 (if (looking-back "\n")
+                     (delete-char -1))
+                 (buffer-string)))
+              ;; OK, no last-revision.  Is it a lightweight checkout?
+              ((file-readable-p
+                (setq file (expand-file-name ".bzr/branch/location" dir)))
+               (setq rev (emacs-bzr-version-dirstate dir))
+               ;; If the parent branch is local, try looking there for the rev.
+               ;; Note: there is no guarantee that the parent branch's rev
+               ;; corresponds to this branch.  This branch could have
+               ;; been made with a specific -r revno argument, or the
+               ;; parent could have been updated since this branch was created.
+               ;; To try and detect this, we check the dirstate revids
+               ;; to see if they match.
+               (if (and (setq loc (with-temp-buffer
+                                    (insert-file-contents file)
+                                    (if (looking-at "file://\\(.*\\)")
+                                        (match-string 1))))
+                        (equal rev (emacs-bzr-version-dirstate loc)))
+                   (emacs-bzr-get-version loc)
+                 ;; If parent does not match, the best we can do without
+                 ;; calling external commands is to use the dirstate rev.
+                 rev))
+              (external
+               (emacs-bzr-version-bzr dir)))))))
 
 ;; We put version info into the executable in the form that `ident' uses.
 (purecopy (concat "\n$Id: " (subst-char-in-string ?\n ?\s (emacs-version))
diff --git a/lisp/window.el b/lisp/window.el
index dd1f55450c3..fccb68bd94a 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -4551,6 +4551,9 @@ of the window used."
           (function :tag "function"))
   :group 'windows)
 
+(make-obsolete-variable 'display-buffer-function
+                        'display-buffer-alist "24.3")
+
 ;; Eventually, we want to turn this into a defvar; instead of
 ;; customizing this, the user should use a `pop-up-frame-parameters'
 ;; alist entry in `display-buffer-base-action'.
@@ -4768,8 +4771,8 @@ the selected window.  If they contain (same-frame . t), display
 BUFFER in a window of the selected frame.
 
 If ARGS is a list whose car is a symbol, use (car ARGS) as a
-function to do the work.  Pass it BUFFER as first argument,
-and (cdr ARGS) as second."
+function to do the work.  Pass it BUFFER as first argument, and
+pass the elements of (cdr ARGS) as the remaining arguments."
   (if (and args (symbolp (car args)))
       (apply (car args) buffer (cdr args))
     (let ((window (get-buffer-window buffer 0)))
diff --git a/nt/ChangeLog b/nt/ChangeLog
index 54e5570072a..197ce0cf850 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,10 @@
+2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Port _setjmp fix to POSIXish hosts as well as Microsoft.
+        * config.nt: Attempt to sync with autogen/config.in.
+        (HAVE_SIGSETJMP, HAVE__SETJMP): New macros.
+        (_longjmp, _setjmp): Remove.
+
 2012-09-14  Juanma Barranquero  <lekktu@gmail.com>
 
         * config.nt: Sync with autogen/config.in.
diff --git a/nt/config.nt b/nt/config.nt
index 5121a013aad..82b7da430ab 100644
--- a/nt/config.nt
+++ b/nt/config.nt
@@ -800,6 +800,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if 'wint_t' is a signed integer type. */
 #undef HAVE_SIGNED_WINT_T
 
+/* Define to 1 if sigsetjmp and siglongjmp work. The value of this symbol is
+   irrelevant if HAVE__SETJMP is defined. */
+#undef HAVE_SIGSETJMP
+
 /* Define to 1 if the system has the type `sigset_t'. */
 #undef HAVE_SIGSET_T
 
@@ -1084,6 +1088,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `_ftime' function. */
 #undef HAVE__FTIME
 
+/* Define to 1 if _setjmp and _longjmp work. */
+#define HAVE__SETJMP 1
+
 /* Define to 1 if you have the `__builtin_unwind_init' function. */
 #undef HAVE___BUILTIN_UNWIND_INIT
 
@@ -1511,14 +1518,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    declarations. Define as empty for no equivalent. */
 #undef __restrict_arr
 
-/* Define to longjmp if _setjmp and _longjmp do not work. Because longjmp may
-   alter signal masks, callers of _longjmp should not assume that it leaves
-   signal masks alone. */
-#undef _longjmp
-
-/* Define to setjmp if _setjmp and _longjmp do not work. See _longjmp. */
-#undef _setjmp
-
 /* Some platforms that do not use configure define this to include extra
    configuration information. */
 #define config_opsysfile <ms-w32.h>
diff --git a/src/ChangeLog b/src/ChangeLog
index 88e385c876b..cfcd2b0e2f1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,8 +1,78 @@
-2012-09-15  Kenichi Handa  <handa@gnu.org>
+2012-09-16  Kenichi Handa  <handa@gnu.org>
 
         * font.c (Ffont_shape_gstring): Don't adjust grapheme cluster
         here, but just check the validity of glyphs in the glyph-string.
 
+2012-09-16  Martin Rudalics  <rudalics@gmx.at>
+
+        * window.c (Fwindow_parameter, Fset_window_parameter): Accept
+        any window as argument (Bug#12452).
+
+2012-09-16  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * nsfns.m (Fx_open_connection): Move initialization of ns_*_types
+        to ns_term_init to avoid memory leak.
+
+        * nsterm.m (ns_update_begin): Initialize bp after lcokFocus, use
+        explicit retain/release.
+        (ns_term_init): Only allow one display.  Initialize outerpool and
+        ns_*_types.
+
+2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Port _setjmp fix to POSIXish hosts as well as Microsoft.
+        * image.c (_setjmp) [!HAVE__SETJMP]: Restore definition, as
+        it's needed on POSIXish hosts that lack _setjmp.  Attempt to solve
+        the Microsoft problem in a different way, by altering ../nt/config.nt.
+
+2012-09-15  Eli Zaretskii  <eliz@gnu.org>
+
+        * w32xfns.c:
+        * w32uniscribe.c:
+        * w32term.c:
+        * w32select.c:
+        * w32reg.c:
+        * w32proc.c:
+        * w32menu.c:
+        * w32inevt.c:
+        * w32heap.c:
+        * w32font.c:
+        * w32fns.c:
+        * w32console.c:
+        * w32.c:
+        * w16select.c: Remove inclusion of setjmp.h, as it is now included
+        by lisp.h.  This completes removal of setjmp.h inclusion
+        erroneously announced in the previous commit.  (Bug#12446)
+
+        * lisp.h [!HAVE__SETJMP, !HAVE_SIGSETJMP]: Make the commentary
+        more accurate.
+
+        * image.c (_setjmp) [!HAVE__SETJMP]: Define only if 'setjmp' is
+        not defined as a macro.  The latter happens on MS-Windows.
+        (Bug#12446)
+
+2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Port better to POSIX hosts lacking _setjmp (Bug#12446).
+        * lisp.h: Include <setjmp.h> here, since we use its symbols here.
+        Some instances of '#include <setjmp.h>' removed, if the
+        only reason for the instance was because "lisp.h" was included.
+        (sys_jmp_buf, sys_setjmp, sys_longjmp): New symbols.
+        Unless otherwise specified, replace all uses of jmp_buf, _setjmp,
+        and _longjmp with the new symbols.  Emacs already uses _setjmp if
+        available, so this change affects only POSIXish hosts that have
+        sigsetjmp but not _setjmp, such as some versions of Solaris and
+        Unixware.  (Also, POSIX-2008 marks _setjmp as obsolescent.)
+        * image.c (_setjmp, _longjmp) [HAVE_PNG && !HAVE__SETJMP]: New macros.
+        (png_load_body) [HAVE_PNG]:
+        (PNG_LONGJMP) [HAVE_PNG && PNG_LIBPNG_VER < 10500]:
+        (PNG_JMPBUF) [HAVE_PNG && PNG_LIBPNG_VER >= 10500]:
+        Use _setjmp and _longjmp rather than sys_setjmp and sys_longjmp,
+        since PNG requires jmp_buf.  This is the only exception to the
+        general rule that we now use sys_setjmp and sys_longjmp.
+        This exception is OK since this code does not change the signal
+        mask or longjmp out of a signal handler.
+
 2012-09-14  Paul Eggert  <eggert@cs.ucla.edu>
 
         * alloc.c [!SYSTEM_MALLOC && !SYNC_INPUT && HAVE_PTHREAD]:
diff --git a/src/alloc.c b/src/alloc.c
index 25cf03dfa2e..0bfbb0c88b1 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -24,7 +24,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <stdio.h>
 #include <limits.h>             /* For CHAR_BIT.  */
-#include <setjmp.h>
 
 #ifdef ENABLE_CHECKING
 #include <signal.h>             /* For SIGABRT. */
@@ -45,7 +44,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "frame.h"
 #include "blockinput.h"
 #include "termhooks.h"          /* For struct terminal.  */
-#include <setjmp.h>
+
 #include <verify.h>
 
 /* GC_CHECK_MARKED_OBJECTS means do sanity checks on allocated objects.
@@ -4764,14 +4763,14 @@ test_setjmp (void)
 {
   char buf[10];
   register int x;
-  jmp_buf jbuf;
+  sys_jmp_buf jbuf;
 
   /* Arrange for X to be put in a register.  */
   sprintf (buf, "1");
   x = strlen (buf);
   x = 2 * x - 1;
 
-  _setjmp (jbuf);
+  sys_setjmp (jbuf);
   if (longjmps_done == 1)
     {
       /* Came here after the longjmp at the end of the function.
@@ -4796,7 +4795,7 @@ test_setjmp (void)
   ++longjmps_done;
   x = 2;
   if (longjmps_done == 1)
-    _longjmp (jbuf, 1);
+    sys_longjmp (jbuf, 1);
 }
 
 #endif /* not GC_SAVE_REGISTERS_ON_STACK && not GC_SETJMP_WORKS */
@@ -4902,7 +4901,7 @@ mark_stack (void)
   /* jmp_buf may not be aligned enough on darwin-ppc64 */
   union aligned_jmpbuf {
     Lisp_Object o;
-    jmp_buf j;
+    sys_jmp_buf j;
   } j;
   volatile bool stack_grows_down_p = (char *) &j > (char *) stack_base;
 #endif
@@ -4938,7 +4937,7 @@ mark_stack (void)
     }
 #endif /* GC_SETJMP_WORKS */
 
-  _setjmp (j.j);
+  sys_setjmp (j.j);
   end = stack_grows_down_p ? (char *) &j + sizeof j : (char *) &j;
 #endif /* not GC_SAVE_REGISTERS_ON_STACK */
 #endif /* not HAVE___BUILTIN_UNWIND_INIT */
diff --git a/src/atimer.c b/src/atimer.c
index 34731920af5..80b813fe4fe 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -18,7 +18,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "syssignal.h"
 #include "systime.h"
diff --git a/src/bidi.c b/src/bidi.c
index 4186a46e19e..af0209565e2 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -56,7 +56,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/buffer.c b/src/buffer.c
index d512547d34e..b020edb9962 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/param.h>
 #include <errno.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <unistd.h>
 
 #include <verify.h>
diff --git a/src/bytecode.c b/src/bytecode.c
index 97730636d0e..b151078f60f 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -33,7 +33,7 @@ by Hallvard:
  */
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/callint.c b/src/callint.c
index b11545ddea2..c4c087e83d7 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/callproc.c b/src/callproc.c
index a92959a1559..9171337ee76 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <errno.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <sys/types.h>
 #include <unistd.h>
 
diff --git a/src/casefiddle.c b/src/casefiddle.c
index 1102054b153..e3654627576 100644
--- a/src/casefiddle.c
+++ b/src/casefiddle.c
@@ -19,7 +19,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/casetab.c b/src/casetab.c
index 3e22d0d0b77..a84bc9202d0 100644
--- a/src/casetab.c
+++ b/src/casetab.c
@@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/category.c b/src/category.c
index 80dc6938d8b..01a6f54ad17 100644
--- a/src/category.c
+++ b/src/category.c
@@ -32,7 +32,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define CATEGORY_INLINE EXTERN_INLINE
 
-#include <setjmp.h>
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/ccl.c b/src/ccl.c
index dd37934451d..34cc1c98eea 100644
--- a/src/ccl.c
+++ b/src/ccl.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 
 #include <stdio.h>
-#include <setjmp.h>
 #include <limits.h>
 
 #include "lisp.h"
diff --git a/src/character.c b/src/character.c
index 37963d1878c..def1ad090fd 100644
--- a/src/character.c
+++ b/src/character.c
@@ -36,7 +36,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifdef emacs
 
 #include <sys/types.h>
-#include <setjmp.h>
 #include <intprops.h>
 #include "lisp.h"
 #include "character.h"
diff --git a/src/charset.c b/src/charset.c
index 972a0598059..d8c38e5ea3b 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -32,7 +32,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <unistd.h>
 #include <limits.h>
 #include <sys/types.h>
-#include <setjmp.h>
 #include <c-ctype.h>
 #include "lisp.h"
 #include "character.h"
diff --git a/src/chartab.c b/src/chartab.c
index c14df0ebac6..e864514e336 100644
--- a/src/chartab.c
+++ b/src/chartab.c
@@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "charset.h"
diff --git a/src/cm.c b/src/cm.c
index 4b17b92eebc..eda6430bafa 100644
--- a/src/cm.c
+++ b/src/cm.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "frame.h"
diff --git a/src/cmds.c b/src/cmds.c
index 90d3cd6dced..45f7df948ae 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -19,7 +19,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "commands.h"
 #include "character.h"
diff --git a/src/coding.c b/src/coding.c
index 94a2d9fea80..4b3d22f956c 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -285,7 +285,6 @@ encode_coding_XXX (struct coding_system *coding)
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/composite.c b/src/composite.c
index eddabb66d33..ae46df0a573 100644
--- a/src/composite.c
+++ b/src/composite.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define COMPOSITE_INLINE EXTERN_INLINE
 
-#include <setjmp.h>
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/data.c b/src/data.c
index 5d7f036b70d..72d7c8ccf9a 100644
--- a/src/data.c
+++ b/src/data.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include <intprops.h>
 
diff --git a/src/dbusbind.c b/src/dbusbind.c
index 901820648cb..c2eefd605bb 100644
--- a/src/dbusbind.c
+++ b/src/dbusbind.c
@@ -21,7 +21,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifdef HAVE_DBUS
 #include <stdio.h>
 #include <dbus/dbus.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "frame.h"
 #include "termhooks.h"
diff --git a/src/dired.c b/src/dired.c
index 9af5f76821b..3aa27ecf920 100644
--- a/src/dired.c
+++ b/src/dired.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <setjmp.h>
 
 #ifdef HAVE_PWD_H
 #include <pwd.h>
diff --git a/src/dispnew.c b/src/dispnew.c
index f6186e86048..5827316a7b7 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define DISPEXTERN_INLINE EXTERN_INLINE
 
 #include <stdio.h>
-#include <setjmp.h>
 #include <unistd.h>
 
 #include "lisp.h"
diff --git a/src/doc.c b/src/doc.c
index 02a5b4b8143..d2d664df266 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <sys/types.h>
 #include <sys/file.h>   /* Must be after sys/types.h for USG*/
-#include <setjmp.h>
 #include <fcntl.h>
 #include <unistd.h>
 
diff --git a/src/doprnt.c b/src/doprnt.c
index 3b7391f07d4..caa56d6ae88 100644
--- a/src/doprnt.c
+++ b/src/doprnt.c
@@ -102,7 +102,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <float.h>
 #include <unistd.h>
 #include <limits.h>
diff --git a/src/dosfns.c b/src/dosfns.c
index 21676f4b4f5..3c649f4d534 100644
--- a/src/dosfns.c
+++ b/src/dosfns.c
@@ -30,7 +30,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <dos.h>
 #undef gettime
 #undef settime
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/editfns.c b/src/editfns.c
index 299cad07fd7..c6744648bc5 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <sys/types.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #ifdef HAVE_PWD_H
 #include <pwd.h>
diff --git a/src/emacs.c b/src/emacs.c
index e8150631311..1416bf76c43 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -25,7 +25,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <sys/types.h>
 #include <sys/file.h>
-#include <setjmp.h>
 #include <unistd.h>
 
 #include "lisp.h"
diff --git a/src/emacsgtkfixed.c b/src/emacsgtkfixed.c
index c0d29a640ed..d10185072cc 100644
--- a/src/emacsgtkfixed.c
+++ b/src/emacsgtkfixed.c
@@ -22,7 +22,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "emacsgtkfixed.h"
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "frame.h"
 #include "xterm.h"
diff --git a/src/eval.c b/src/eval.c
index 3c0c65e9366..6cca13a8fda 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <limits.h>
-#include <setjmp.h>
 #include <stdio.h>
 #include "lisp.h"
 #include "blockinput.h"
@@ -1072,7 +1071,7 @@ internal_catch (Lisp_Object tag, Lisp_Object (*func) (Lisp_Object), Lisp_Object
   catchlist = &c;
 
   /* Call FUNC.  */
-  if (! _setjmp (c.jmp))
+  if (! sys_setjmp (c.jmp))
     c.val = (*func) (arg);
 
   /* Throw works by a longjmp that comes right here.  */
@@ -1140,7 +1139,7 @@ unwind_to_catch (struct catchtag *catch, Lisp_Object value)
   backtrace_list = catch->backlist;
   lisp_eval_depth = catch->lisp_eval_depth;
 
-  _longjmp (catch->jmp, 1);
+  sys_longjmp (catch->jmp, 1);
 }
 
 DEFUN ("throw", Fthrow, Sthrow, 2, 2, 0,
@@ -1246,7 +1245,7 @@ internal_lisp_condition_case (volatile Lisp_Object var, Lisp_Object bodyform,
   c.interrupt_input_blocked = interrupt_input_blocked;
   c.gcpro = gcprolist;
   c.byte_stack = byte_stack_list;
-  if (_setjmp (c.jmp))
+  if (sys_setjmp (c.jmp))
     {
       if (!NILP (h.var))
         specbind (h.var, c.val);
@@ -1301,7 +1300,7 @@ internal_condition_case (Lisp_Object (*bfun) (void), Lisp_Object handlers,
   c.interrupt_input_blocked = interrupt_input_blocked;
   c.gcpro = gcprolist;
   c.byte_stack = byte_stack_list;
-  if (_setjmp (c.jmp))
+  if (sys_setjmp (c.jmp))
     {
       return (*hfun) (c.val);
     }
@@ -1339,7 +1338,7 @@ internal_condition_case_1 (Lisp_Object (*bfun) (Lisp_Object), Lisp_Object arg,
   c.interrupt_input_blocked = interrupt_input_blocked;
   c.gcpro = gcprolist;
   c.byte_stack = byte_stack_list;
-  if (_setjmp (c.jmp))
+  if (sys_setjmp (c.jmp))
     {
       return (*hfun) (c.val);
     }
@@ -1381,7 +1380,7 @@ internal_condition_case_2 (Lisp_Object (*bfun) (Lisp_Object, Lisp_Object),
   c.interrupt_input_blocked = interrupt_input_blocked;
   c.gcpro = gcprolist;
   c.byte_stack = byte_stack_list;
-  if (_setjmp (c.jmp))
+  if (sys_setjmp (c.jmp))
     {
       return (*hfun) (c.val);
     }
@@ -1425,7 +1424,7 @@ internal_condition_case_n (Lisp_Object (*bfun) (ptrdiff_t, Lisp_Object *),
   c.interrupt_input_blocked = interrupt_input_blocked;
   c.gcpro = gcprolist;
   c.byte_stack = byte_stack_list;
-  if (_setjmp (c.jmp))
+  if (sys_setjmp (c.jmp))
     {
       return (*hfun) (c.val, nargs, args);
     }
diff --git a/src/fileio.c b/src/fileio.c
index f0b3f0cc2fd..ca71af7ed95 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -23,7 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <setjmp.h>
 #include <unistd.h>
 
 #ifdef HAVE_PWD_H
diff --git a/src/filelock.c b/src/filelock.c
index 1f599c68912..17f3f253249 100644
--- a/src/filelock.c
+++ b/src/filelock.c
@@ -23,7 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/stat.h>
 #include <signal.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #ifdef HAVE_PWD_H
 #include <pwd.h>
diff --git a/src/floatfns.c b/src/floatfns.c
index 66d7ca4af2c..4fe209fcb61 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -29,7 +29,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  */
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "syssignal.h"
 
diff --git a/src/fns.c b/src/fns.c
index 91dc6639150..42c4f817f29 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <unistd.h>
 #include <time.h>
-#include <setjmp.h>
 
 #include <intprops.h>
 
diff --git a/src/font.c b/src/font.c
index ccbeb9956f4..32194d1bb02 100644
--- a/src/font.c
+++ b/src/font.c
@@ -23,7 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <float.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include <c-ctype.h>
 
diff --git a/src/fontset.c b/src/fontset.c
index 2b955fe6b11..35d4bfb367e 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "blockinput.h"
diff --git a/src/frame.c b/src/frame.c
index d10969692ee..6930dac3ce8 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -24,7 +24,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <stdio.h>
 #include <errno.h>
 #include <limits.h>
-#include <setjmp.h>
 
 #include <c-ctype.h>
 
diff --git a/src/fringe.c b/src/fringe.c
index 0c2109a0f8e..6e6deeddb08 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -18,7 +18,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "frame.h"
diff --git a/src/ftfont.c b/src/ftfont.c
index a85773a9a21..f07ad6f33c7 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -21,8 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
-
 #include <fontconfig/fontconfig.h>
 #include <fontconfig/fcfreetype.h>
 
diff --git a/src/ftxfont.c b/src/ftxfont.c
index c705ede62c4..466250bd43f 100644
--- a/src/ftxfont.c
+++ b/src/ftxfont.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <X11/Xlib.h>
 
 #include "lisp.h"
diff --git a/src/gnutls.c b/src/gnutls.c
index a2573f6bd99..1c4693aee32 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -18,7 +18,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <errno.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "process.h"
diff --git a/src/gtkutil.c b/src/gtkutil.c
index 884574e1062..1eb4b2cabdf 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifdef USE_GTK
 #include <float.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include <c-ctype.h>
 
diff --git a/src/image.c b/src/image.c
index d4e54fb7dcd..8fc1c8637eb 100644
--- a/src/image.c
+++ b/src/image.c
@@ -5514,6 +5514,15 @@ init_png_functions (Lisp_Object libraries)
 
 #endif /* HAVE_NTGUI */
 
+/* Possibly inefficient/inexact substitutes for _setjmp and _longjmp.
+   Do not use sys_setjmp, as PNG supports only jmp_buf.  The _longjmp
+   substitute may munge the signal mask, but that should be OK here.
+   MinGW (MS-Windows) uses _setjmp and defines setjmp to _setjmp in
+   the system header setjmp.h; don't mess up that.  */
+#ifndef HAVE__SETJMP
+# define _setjmp(j) setjmp (j)
+# define _longjmp longjmp
+#endif
 
 #if (PNG_LIBPNG_VER < 10500)
 #define PNG_LONGJMP(ptr) (_longjmp ((ptr)->jmpbuf, 1))
@@ -5593,7 +5602,7 @@ png_read_from_file (png_structp png_ptr, png_bytep data, png_size_t length)
 
 struct png_load_context
 {
-  /* These are members so that _longjmp doesn't munge local variables.  */
+  /* These are members so that longjmp doesn't munge local variables.  */
   png_struct *png_ptr;
   png_info *info_ptr;
   png_info *end_info;
@@ -6129,9 +6138,9 @@ jpeg_resync_to_restart_wrapper (j_decompress_ptr cinfo, int desired)
 struct my_jpeg_error_mgr
 {
   struct jpeg_error_mgr pub;
-  jmp_buf setjmp_buffer;
+  sys_jmp_buf setjmp_buffer;
 
-  /* The remaining members are so that _longjmp doesn't munge local
+  /* The remaining members are so that longjmp doesn't munge local
      variables.  */
   struct jpeg_decompress_struct cinfo;
   enum
@@ -6151,7 +6160,7 @@ my_error_exit (j_common_ptr cinfo)
 {
   struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
   mgr->failure_code = MY_JPEG_ERROR_EXIT;
-  _longjmp (mgr->setjmp_buffer, 1);
+  sys_longjmp (mgr->setjmp_buffer, 1);
 }
 
 
@@ -6401,7 +6410,7 @@ jpeg_load_body (struct frame *f, struct image *img,
      error is detected.  This function will perform a longjmp.  */
   mgr->cinfo.err = fn_jpeg_std_error (&mgr->pub);
   mgr->pub.error_exit = my_error_exit;
-  if (_setjmp (mgr->setjmp_buffer))
+  if (sys_setjmp (mgr->setjmp_buffer))
     {
       switch (mgr->failure_code)
         {
@@ -6460,14 +6469,14 @@ jpeg_load_body (struct frame *f, struct image *img,
   if (!check_image_size (f, width, height))
     {
       mgr->failure_code = MY_JPEG_INVALID_IMAGE_SIZE;
-      _longjmp (mgr->setjmp_buffer, 1);
+      sys_longjmp (mgr->setjmp_buffer, 1);
     }
 
   /* Create X image and pixmap.  */
   if (!x_create_x_image_and_pixmap (f, width, height, 0, &ximg, &img->pixmap))
     {
       mgr->failure_code = MY_JPEG_CANNOT_CREATE_X;
-      _longjmp (mgr->setjmp_buffer, 1);
+      sys_longjmp (mgr->setjmp_buffer, 1);
     }
 
   /* Allocate colors.  When color quantization is used,
diff --git a/src/indent.c b/src/indent.c
index c60315a7f6e..053643e6319 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/insdel.c b/src/insdel.c
index bfb2327a696..87010cd8251 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
 
 #include <intprops.h>
 
diff --git a/src/intervals.c b/src/intervals.c
index e508f968963..5a47cacb2dd 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -41,7 +41,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define INTERVALS_INLINE EXTERN_INLINE
 
-#include <setjmp.h>
 #include <intprops.h>
 #include "lisp.h"
 #include "intervals.h"
diff --git a/src/keyboard.c b/src/keyboard.c
index 45638bc412b..d164083fb86 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -22,7 +22,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define KEYBOARD_INLINE EXTERN_INLINE
 
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "termchar.h"
 #include "termopts.h"
@@ -145,7 +145,7 @@ static ptrdiff_t before_command_echo_length;
 
 /* For longjmp to where kbd input is being done.  */
 
-static jmp_buf getcjmp;
+static sys_jmp_buf getcjmp;
 
 /* True while doing kbd input.  */
 int waiting_for_input;
@@ -434,8 +434,8 @@ static Lisp_Object modify_event_symbol (ptrdiff_t, int, Lisp_Object,
                                         Lisp_Object *, ptrdiff_t);
 static Lisp_Object make_lispy_switch_frame (Lisp_Object);
 static int help_char_p (Lisp_Object);
-static void save_getcjmp (jmp_buf);
-static void restore_getcjmp (jmp_buf);
+static void save_getcjmp (sys_jmp_buf);
+static void restore_getcjmp (sys_jmp_buf);
 static Lisp_Object apply_modifiers (int, Lisp_Object);
 static void clear_event (struct input_event *);
 static Lisp_Object restore_kboard_configuration (Lisp_Object);
@@ -2315,8 +2315,8 @@ read_char (int commandflag, ptrdiff_t nmaps, Lisp_Object *maps,
 {
   volatile Lisp_Object c;
   ptrdiff_t jmpcount;
-  jmp_buf local_getcjmp;
-  jmp_buf save_jump;
+  sys_jmp_buf local_getcjmp;
+  sys_jmp_buf save_jump;
   volatile int key_already_recorded = 0;
   Lisp_Object tem, save;
   volatile Lisp_Object previous_echo_area_message;
@@ -2562,7 +2562,7 @@ read_char (int commandflag, ptrdiff_t nmaps, Lisp_Object *maps,
      it *must not* be in effect when we call redisplay.  */
 
   jmpcount = SPECPDL_INDEX ();
-  if (_setjmp (local_getcjmp))
+  if (sys_setjmp (local_getcjmp))
     {
       /* Handle quits while reading the keyboard.  */
       /* We must have saved the outer value of getcjmp here,
@@ -3394,13 +3394,13 @@ record_char (Lisp_Object c)
    See read_process_output.  */
 
 static void
-save_getcjmp (jmp_buf temp)
+save_getcjmp (sys_jmp_buf temp)
 {
   memcpy (temp, getcjmp, sizeof getcjmp);
 }
 
 static void
-restore_getcjmp (jmp_buf temp)
+restore_getcjmp (sys_jmp_buf temp)
 {
   memcpy (getcjmp, temp, sizeof getcjmp);
 }
@@ -10979,7 +10979,7 @@ quit_throw_to_read_char (int from_signal)
     do_switch_frame (make_lispy_switch_frame (internal_last_event_frame),
                      0, 0, Qnil);
 
-  _longjmp (getcjmp, 1);
+  sys_longjmp (getcjmp, 1);
 }
 
 DEFUN ("set-input-interrupt-mode", Fset_input_interrupt_mode,
diff --git a/src/keymap.c b/src/keymap.c
index d79ff89ed67..66fb52061f9 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -40,7 +40,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "commands.h"
 #include "character.h"
diff --git a/src/lisp.h b/src/lisp.h
index ca22ca81228..447c6bd296b 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -20,6 +20,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifndef EMACS_LISP_H
 #define EMACS_LISP_H
 
+#include <setjmp.h>
 #include <stdalign.h>
 #include <stdarg.h>
 #include <stdbool.h>
@@ -1963,7 +1964,25 @@ extern void defvar_kboard (struct Lisp_Kboard_Objfwd *, const char *, int);
     static struct Lisp_Kboard_Objfwd ko_fwd;                    \
     defvar_kboard (&ko_fwd, lname, offsetof (KBOARD, vname ## _)); \
   } while (0)
-
+
+/* Save and restore the instruction and environment pointers,
+   without affecting the signal mask.  */
+
+#ifdef HAVE__SETJMP
+typedef jmp_buf sys_jmp_buf;
+# define sys_setjmp(j) _setjmp (j)
+# define sys_longjmp(j, v) _longjmp (j, v)
+#elif defined HAVE_SIGSETJMP
+typedef sigjmp_buf sys_jmp_buf;
+# define sys_setjmp(j) sigsetjmp (j, 0)
+# define sys_longjmp(j, v) siglongjmp (j, v)
+#else
+/* A platform that uses neither _longjmp nor siglongjmp; assume
+   longjmp does not affect the sigmask.  */
+typedef jmp_buf sys_jmp_buf;
+# define sys_setjmp(j) setjmp (j)
+# define sys_longjmp(j, v) longjmp (j, v)
+#endif
 
 
 /* Structure for recording Lisp call stack for backtrace purposes.  */
@@ -2056,7 +2075,7 @@ struct catchtag
   Lisp_Object volatile val;
   struct catchtag *volatile next;
   struct gcpro *gcpro;
-  jmp_buf jmp;
+  sys_jmp_buf jmp;
   struct backtrace *backlist;
   struct handler *handlerlist;
   EMACS_INT lisp_eval_depth;
diff --git a/src/lread.c b/src/lread.c
index 08a2e856c00..08d5f97292b 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -25,7 +25,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/file.h>
 #include <errno.h>
 #include <limits.h>     /* For CHAR_BIT.  */
-#include <setjmp.h>
 #include <stat-time.h>
 #include "lisp.h"
 #include "intervals.h"
diff --git a/src/macros.c b/src/macros.c
index e81068181b9..a507f12e343 100644
--- a/src/macros.c
+++ b/src/macros.c
@@ -19,7 +19,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "macros.h"
 #include "commands.h"
diff --git a/src/marker.c b/src/marker.c
index bfbb161a71d..0c4e8cb3b55 100644
--- a/src/marker.c
+++ b/src/marker.c
@@ -18,7 +18,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/menu.c b/src/menu.c
index bfdc68ca118..7b01d1faefc 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <limits.h> /* for INT_MAX */
 
 #include "lisp.h"
diff --git a/src/minibuf.c b/src/minibuf.c
index 4ed480a8408..8a1e0ddde86 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <errno.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "commands.h"
diff --git a/src/nsfns.m b/src/nsfns.m
index f73086eeee9..072005d2d3d 100644
--- a/src/nsfns.m
+++ b/src/nsfns.m
@@ -31,7 +31,6 @@ GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
 #include <config.h>
 
 #include <math.h>
-#include <setjmp.h>
 #include <c-strcase.h>
 
 #include "lisp.h"
@@ -1797,19 +1796,6 @@ terminate Emacs if we can't open the connection.
                SSDATA (display));
     }
 
-  /* Register our external input/output types, used for determining
-     applicable services and also drag/drop eligibility. */
-  ns_send_types = [[NSArray arrayWithObjects: NSStringPboardType, nil] retain];
-  ns_return_types = [[NSArray arrayWithObjects: NSStringPboardType, nil]
-                      retain];
-  ns_drag_types = [[NSArray arrayWithObjects:
-                            NSStringPboardType,
-                            NSTabularTextPboardType,
-                            NSFilenamesPboardType,
-                            NSURLPboardType,
-                            NSColorPboardType,
-                            NSFontPboardType, nil] retain];
-
   return Qnil;
 }
 
diff --git a/src/nsfont.m b/src/nsfont.m
index 1c9976ec6cc..eba1eb04765 100644
--- a/src/nsfont.m
+++ b/src/nsfont.m
@@ -23,7 +23,6 @@ Author: Adrian Robert (arobert@cogsci.ucsd.edu)
 /* This should be the first include, as it may set up #defines affecting
    interpretation of even the system includes. */
 #include <config.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "dispextern.h"
diff --git a/src/nsimage.m b/src/nsimage.m
index 8a8a3ddaae4..668664c7a20 100644
--- a/src/nsimage.m
+++ b/src/nsimage.m
@@ -28,7 +28,6 @@ GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
 /* This should be the first include, as it may set up #defines affecting
    interpretation of even the system includes. */
 #include <config.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "dispextern.h"
diff --git a/src/nsmenu.m b/src/nsmenu.m
index d0f3e45e939..3057f4f6a20 100644
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -24,7 +24,6 @@ Carbon version by Yamamoto Mitsuharu. */
 /* This should be the first include, as it may set up #defines affecting
    interpretation of even the system includes. */
 #include <config.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "window.h"
diff --git a/src/nsselect.m b/src/nsselect.m
index e0bbfe58636..95bc1a95957 100644
--- a/src/nsselect.m
+++ b/src/nsselect.m
@@ -28,7 +28,6 @@ GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
 /* This should be the first include, as it may set up #defines affecting
    interpretation of even the system includes. */
 #include <config.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "nsterm.h"
diff --git a/src/nsterm.m b/src/nsterm.m
index f9611fd1210..41520ce74d1 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -35,7 +35,6 @@ GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu)
 #include <time.h>
 #include <signal.h>
 #include <unistd.h>
-#include <setjmp.h>
 
 #include <c-ctype.h>
 #include <c-strcase.h>
@@ -628,7 +627,7 @@ ns_update_begin (struct frame *f)
 {
   NSView *view = FRAME_NS_VIEW (f);
   NSRect r = [view frame];
-  NSBezierPath *bp = [NSBezierPath bezierPath];
+  NSBezierPath *bp;
   NSTRACE (ns_update_begin);
 
   ns_update_auto_hide_menu_bar ();
@@ -640,8 +639,9 @@ ns_update_begin (struct frame *f)
      is for the minibuffer.  But the display engine may draw more because
      we have set the frame as garbaged.  So reset clip path to the whole
      view.  */
-  [bp appendBezierPathWithRect: r];
+  bp = [[NSBezierPath bezierPathWithRect: r] retain];
   [bp setClip];
+  [bp release];
 
 #ifdef NS_IMPL_GNUSTEP
   uRect = NSMakeRect (0, 0, 0, 0);
@@ -3977,33 +3977,35 @@ ns_term_init (Lisp_Object display_name)
   static int ns_initialized = 0;
   Lisp_Object tmp;
 
+  if (ns_initialized) return x_display_list;
+  ns_initialized = 1;
+
   NSTRACE (ns_term_init);
 
+  [outerpool release];
+  outerpool = [[NSAutoreleasePool alloc] init];
+
   /* count object allocs (About, click icon); on OS X use ObjectAlloc tool */
   /*GSDebugAllocationActive (YES); */
   BLOCK_INPUT;
   handling_signal = 0;
 
-  if (!ns_initialized)
-    {
-      baud_rate = 38400;
-      Fset_input_interrupt_mode (Qnil);
+  baud_rate = 38400;
+  Fset_input_interrupt_mode (Qnil);
 
-      if (selfds[0] == -1)
+  if (selfds[0] == -1)
+    {
+      if (pipe (selfds) == -1)
         {
-          if (pipe (selfds) == -1)
-            {
-              fprintf (stderr, "Failed to create pipe: %s\n",
-                       emacs_strerror (errno));
-              emacs_abort ();
-            }
-
-          fcntl (selfds[0], F_SETFL, O_NONBLOCK|fcntl (selfds[0], F_GETFL));
-          FD_ZERO (&select_readfds);
-          FD_ZERO (&select_writefds);
-          pthread_mutex_init (&select_mutex, NULL);
+          fprintf (stderr, "Failed to create pipe: %s\n",
+                   emacs_strerror (errno));
+          emacs_abort ();
         }
-      ns_initialized = 1;
+
+      fcntl (selfds[0], F_SETFL, O_NONBLOCK|fcntl (selfds[0], F_GETFL));
+      FD_ZERO (&select_readfds);
+      FD_ZERO (&select_writefds);
+      pthread_mutex_init (&select_mutex, NULL);
     }
 
   ns_pending_files = [[NSMutableArray alloc] init];
@@ -4194,6 +4196,20 @@ ns_term_init (Lisp_Object display_name)
   }
 #endif /* MAC OS X menu setup */
 
+  /* Register our external input/output types, used for determining
+     applicable services and also drag/drop eligibility. */
+  ns_send_types = [[NSArray arrayWithObjects: NSStringPboardType, nil] retain];
+  ns_return_types = [[NSArray arrayWithObjects: NSStringPboardType, nil]
+                      retain];
+  ns_drag_types = [[NSArray arrayWithObjects:
+                            NSStringPboardType,
+                            NSTabularTextPboardType,
+                            NSFilenamesPboardType,
+                            NSURLPboardType,
+                            NSColorPboardType,
+                            NSFontPboardType, nil] retain];
+
+  
   [NSApp run];
   ns_do_open_file = YES;
   return dpyinfo;
diff --git a/src/print.c b/src/print.c
index 16116643ad0..aae13bb6764 100644
--- a/src/print.c
+++ b/src/print.c
@@ -21,7 +21,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/process.c b/src/process.c
index b4b05a4b2e2..6dbff6f4b16 100644
--- a/src/process.c
+++ b/src/process.c
@@ -25,12 +25,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <stdio.h>
 #include <errno.h>
-#include <setjmp.h>
 #include <sys/types.h>          /* Some typedefs are used in sys/file.h.  */
 #include <sys/file.h>
 #include <sys/stat.h>
-#include <setjmp.h>
-
 #include <unistd.h>
 #include <fcntl.h>
 
@@ -5421,7 +5418,7 @@ read_process_output (Lisp_Object proc, register int channel)
 
 /* Sending data to subprocess */
 
-static jmp_buf send_process_frame;
+static sys_jmp_buf send_process_frame;
 static Lisp_Object process_sent_to;
 
 static _Noreturn void
@@ -5431,7 +5428,7 @@ handle_pipe_signal (int sig)
   sigemptyset (&unblocked);
   sigaddset (&unblocked, SIGPIPE);
   pthread_sigmask (SIG_UNBLOCK, &unblocked, 0);
-  _longjmp (send_process_frame, 1);
+  sys_longjmp (send_process_frame, 1);
 }
 
 static void
@@ -5640,7 +5637,7 @@ send_process (volatile Lisp_Object proc, const char *volatile buf,
   /* 2000-09-21: Emacs 20.7, sparc-sun-solaris-2.6, GCC 2.95.2,
      CFLAGS="-g -O": The value of the parameter `proc' is clobbered
      when returning with longjmp despite being declared volatile.  */
-  if (!_setjmp (send_process_frame))
+  if (!sys_setjmp (send_process_frame))
     {
       p = XPROCESS (proc);  /* Repair any setjmp clobbering.  */
       process_sent_to = proc;
diff --git a/src/ralloc.c b/src/ralloc.c
index 74834333aa3..b0134ea730a 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -25,7 +25,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifdef emacs
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"               /* Needed for VALBITS.  */
 #include "blockinput.h"
 
diff --git a/src/regex.c b/src/regex.c
index 472ef727979..92264ccae23 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -126,7 +126,6 @@
    that make sense only in Emacs. */
 #ifdef emacs
 
-# include <setjmp.h>
 # include "lisp.h"
 # include "character.h"
 # include "buffer.h"
diff --git a/src/region-cache.c b/src/region-cache.c
index c3eb087aade..832f4bfd214 100644
--- a/src/region-cache.c
+++ b/src/region-cache.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/scroll.c b/src/scroll.c
index 79dd464b29e..71ce43b2e48 100644
--- a/src/scroll.c
+++ b/src/scroll.c
@@ -21,7 +21,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "termchar.h"
 #include "dispextern.h"
diff --git a/src/search.c b/src/search.c
index 72bd5605709..99fd7971e4c 100644
--- a/src/search.c
+++ b/src/search.c
@@ -20,7 +20,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "syntax.h"
 #include "category.h"
diff --git a/src/sheap.c b/src/sheap.c
index 3ae14b5daec..f6022ea3ce7 100644
--- a/src/sheap.c
+++ b/src/sheap.c
@@ -20,7 +20,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 
 #include <unistd.h>
@@ -93,4 +93,3 @@ report_sheap_usage (int die_if_pure_storage_exceeded)
            bss_sbrk_ptr - bss_sbrk_buffer, STATIC_HEAP_SIZE);
   message ("%s", buf);
 }
-
diff --git a/src/sound.c b/src/sound.c
index fe48bb277b2..0ee85312fd3 100644
--- a/src/sound.c
+++ b/src/sound.c
@@ -44,7 +44,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <unistd.h>
 #include <sys/types.h>
 #include <errno.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "dispextern.h"
 #include "atimer.h"
diff --git a/src/syntax.c b/src/syntax.c
index fdd9353bb87..91ef4e66663 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -21,7 +21,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 
 #include <sys/types.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "commands.h"
 #include "character.h"
diff --git a/src/sysdep.c b/src/sysdep.c
index b8f35e79146..9065b38d6fc 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -23,7 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <execinfo.h>
 #include <stdio.h>
-#include <setjmp.h>
 #ifdef HAVE_PWD_H
 #include <pwd.h>
 #include <grp.h>
diff --git a/src/term.c b/src/term.c
index 47bde5ac240..f4117d67dec 100644
--- a/src/term.c
+++ b/src/term.c
@@ -25,7 +25,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/file.h>
 #include <sys/time.h>
 #include <unistd.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "termchar.h"
diff --git a/src/termcap.c b/src/termcap.c
index d1b05e8df94..e494cd113d9 100644
--- a/src/termcap.c
+++ b/src/termcap.c
@@ -19,7 +19,6 @@ Boston, MA 02110-1301, USA.  */
 
 /* Emacs config.h may rename various library functions such as malloc.  */
 #include <config.h>
-#include <setjmp.h>
 #include <sys/file.h>
 #include <fcntl.h>
 #include <unistd.h>
diff --git a/src/terminal.c b/src/terminal.c
index c51a18dfa61..719c2a36111 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define TERMHOOKS_INLINE EXTERN_INLINE
 
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "frame.h"
diff --git a/src/terminfo.c b/src/terminfo.c
index ca2d89a000b..124c452a4a9 100644
--- a/src/terminfo.c
+++ b/src/terminfo.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include "tparam.h"
 
-#include <setjmp.h>
 #include "lisp.h"
 
 /* Define these variables that serve as global parameters to termcap,
diff --git a/src/textprop.c b/src/textprop.c
index 2a9efba1c45..872912ea706 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "intervals.h"
 #include "character.h"
diff --git a/src/tparam.c b/src/tparam.c
index 58a825c90d7..164f61d471b 100644
--- a/src/tparam.c
+++ b/src/tparam.c
@@ -19,7 +19,7 @@ Boston, MA 02110-1301, USA.  */
 
 /* Emacs config.h may rename various library functions such as malloc.  */
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"               /* for xmalloc */
 #include "tparam.h"
 
diff --git a/src/undo.c b/src/undo.c
index 9cd1d5f9f67..e878ef4dcf9 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -18,7 +18,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
 #include <config.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "character.h"
 #include "buffer.h"
diff --git a/src/unexaix.c b/src/unexaix.c
index c09156296f7..c01a22a79f6 100644
--- a/src/unexaix.c
+++ b/src/unexaix.c
@@ -89,7 +89,6 @@ static int adjust_lnnoptrs (int, int, const char *);
 
 static int pagemask;
 
-#include <setjmp.h>
 #include "lisp.h"
 
 static void
diff --git a/src/unexcoff.c b/src/unexcoff.c
index e83042a379d..966dd58cb6e 100644
--- a/src/unexcoff.c
+++ b/src/unexcoff.c
@@ -120,7 +120,6 @@ static int pagemask;
 
 #define ADDR_CORRECT(x) ((char *)(x) - (char*)0)
 
-#include <setjmp.h>
 #include "lisp.h"
 
 static void
diff --git a/src/unexcw.c b/src/unexcw.c
index eae534cf4dd..96c4b4a9aec 100644
--- a/src/unexcw.c
+++ b/src/unexcw.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include "unexec.h"
 
-#include <setjmp.h>
 #include <lisp.h>
 #include <stdio.h>
 #include <fcntl.h>
diff --git a/src/unexsol.c b/src/unexsol.c
index 336f3b4faea..470206d5838 100644
--- a/src/unexsol.c
+++ b/src/unexsol.c
@@ -4,7 +4,6 @@
 #include "unexec.h"
 
 #include <dlfcn.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/vm-limit.c b/src/vm-limit.c
index cf697b56fdf..8de0acd1bb2 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -17,7 +17,6 @@ You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
-#include <setjmp.h>
 #include <unistd.h> /* for 'environ', on AIX */
 #include "lisp.h"
 #include "mem-limits.h"
diff --git a/src/w16select.c b/src/w16select.c
index 2026de7421d..a3f6f1fb9ae 100644
--- a/src/w16select.c
+++ b/src/w16select.c
@@ -31,7 +31,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <dpmi.h>
 #include <go32.h>
 #include <sys/farptr.h>
-#include <setjmp.h>
 #include "lisp.h"
 #include "dispextern.h" /* frame.h seems to want this */
 #include "frame.h"      /* Need this to get the X window of selected_frame */
diff --git a/src/w32.c b/src/w32.c
index 04f7471577c..bcb0511e2fa 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -33,7 +33,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/utime.h>
 #include <mbstring.h>   /* for _mbspbrk */
 #include <math.h>
-#include <setjmp.h>
 #include <time.h>
 
 /* must include CRT headers *before* config.h */
diff --git a/src/w32console.c b/src/w32console.c
index 76585851e7f..b22b09af2f2 100644
--- a/src/w32console.c
+++ b/src/w32console.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <stdio.h>
 #include <windows.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/w32fns.c b/src/w32fns.c
index ec1acbd89d9..be008bb18c8 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <limits.h>
 #include <errno.h>
 #include <math.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "w32term.h"
diff --git a/src/w32font.c b/src/w32font.c
index 8b3a0e4312e..833b7cdfb25 100644
--- a/src/w32font.c
+++ b/src/w32font.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <math.h>
 #include <ctype.h>
 #include <commdlg.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "w32term.h"
diff --git a/src/w32heap.c b/src/w32heap.c
index 26cc9aa0a0f..dc65198f90b 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "w32heap.h"
 #include "lisp.h"  /* for VALMASK */
diff --git a/src/w32inevt.c b/src/w32inevt.c
index 731dd6715dc..ee07db5335b 100644
--- a/src/w32inevt.c
+++ b/src/w32inevt.c
@@ -25,7 +25,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <stdio.h>
 #include <windows.h>
-#include <setjmp.h>
 
 #ifndef MOUSE_MOVED
 #define MOUSE_MOVED   1
diff --git a/src/w32menu.c b/src/w32menu.c
index d4de73a0de7..fa7db64f147 100644
--- a/src/w32menu.c
+++ b/src/w32menu.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <signal.h>
 #include <stdio.h>
 #include <mbstring.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "keyboard.h"
diff --git a/src/w32proc.c b/src/w32proc.c
index 74427e76a4f..26a0925ad87 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -28,7 +28,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <fcntl.h>
 #include <signal.h>
 #include <sys/file.h>
-#include <setjmp.h>
 
 /* must include CRT headers *before* config.h */
 #include <config.h>
diff --git a/src/w32reg.c b/src/w32reg.c
index 9c727ae5ab7..8a6a3c853b1 100644
--- a/src/w32reg.c
+++ b/src/w32reg.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Written by Kevin Gallo */
 
 #include <config.h>
-#include <setjmp.h>
 #include "lisp.h"
 #include "w32term.h"
 #include "blockinput.h"
diff --git a/src/w32select.c b/src/w32select.c
index 3fb88d4f17f..11c68c9c617 100644
--- a/src/w32select.c
+++ b/src/w32select.c
@@ -73,7 +73,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  */
 
 #include <config.h>
-#include <setjmp.h>
 #include "lisp.h"
 #include "w32term.h"    /* for all of the w32 includes */
 #include "w32heap.h"    /* os_subtype */
diff --git a/src/w32term.c b/src/w32term.c
index 28c1c593cf6..69a16e1852b 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <signal.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include "lisp.h"
 #include "blockinput.h"
 #include "w32term.h"
diff --git a/src/w32uniscribe.c b/src/w32uniscribe.c
index cf99d14dc77..5d160b9d42f 100644
--- a/src/w32uniscribe.c
+++ b/src/w32uniscribe.c
@@ -27,7 +27,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define _WIN32_WINNT 0x500
 #include <windows.h>
 #include <usp10.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "w32term.h"
diff --git a/src/w32xfns.c b/src/w32xfns.c
index 820dbcc76c6..33f40fc7c01 100644
--- a/src/w32xfns.c
+++ b/src/w32xfns.c
@@ -19,7 +19,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <signal.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include "lisp.h"
 #include "keyboard.h"
 #include "frame.h"
diff --git a/src/widget.c b/src/widget.c
index 0100acc8143..fd5ad167125 100644
--- a/src/widget.c
+++ b/src/widget.c
@@ -30,7 +30,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
+
 #include "lisp.h"
 #include "xterm.h"
 
diff --git a/src/window.c b/src/window.c
index 18a550782e8..fbccab8b358 100644
--- a/src/window.c
+++ b/src/window.c
@@ -23,7 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define WINDOW_INLINE EXTERN_INLINE
 
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
@@ -1856,23 +1855,23 @@ return value is a list of elements of the form (PARAMETER . VALUE).  */)
 DEFUN ("window-parameter", Fwindow_parameter, Swindow_parameter,
        2, 2, 0,
        doc:  /* Return WINDOW's value for PARAMETER.
-WINDOW must be a valid window and defaults to the selected one.  */)
+WINDOW can be any window and defaults to the selected one.  */)
   (Lisp_Object window, Lisp_Object parameter)
 {
   Lisp_Object result;
 
-  result = Fassq (parameter, decode_valid_window (window)->window_parameters);
+  result = Fassq (parameter, decode_any_window (window)->window_parameters);
   return CDR_SAFE (result);
 }
 
 DEFUN ("set-window-parameter", Fset_window_parameter,
        Sset_window_parameter, 3, 3, 0,
        doc: /* Set WINDOW's value of PARAMETER to VALUE.
-WINDOW must be a valid window and defaults to the selected one.
+WINDOW can be any window and defaults to the selected one.
 Return VALUE.  */)
   (Lisp_Object window, Lisp_Object parameter, Lisp_Object value)
 {
-  register struct window *w = decode_valid_window (window);
+  register struct window *w = decode_any_window (window);
   Lisp_Object old_alist_elt;
 
   old_alist_elt = Fassq (parameter, w->window_parameters);
diff --git a/src/xdisp.c b/src/xdisp.c
index 320998a5713..8e0975cf65a 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -273,7 +273,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <stdio.h>
 #include <limits.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "keyboard.h"
diff --git a/src/xfaces.c b/src/xfaces.c
index c113c1a37b7..c240a05c6c0 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -204,7 +204,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <stdio.h>              /* This needs to be before termchar.h */
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "character.h"
diff --git a/src/xfns.c b/src/xfns.c
index 90b54d12345..8304a3df04f 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <stdio.h>
 #include <math.h>
-#include <setjmp.h>
 #include <unistd.h>
 
 /* This makes the fields of a Display accessible, in Xlib header files.  */
diff --git a/src/xfont.c b/src/xfont.c
index 7755b780815..1f2fd13f1b7 100644
--- a/src/xfont.c
+++ b/src/xfont.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <X11/Xlib.h>
 
 #include "lisp.h"
diff --git a/src/xftfont.c b/src/xftfont.c
index 404b9124099..9f52eb8b233 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 #include <X11/Xlib.h>
 #include <X11/Xft/Xft.h>
 
diff --git a/src/xgselect.c b/src/xgselect.c
index 5f4c7edfb79..c161564a322 100644
--- a/src/xgselect.c
+++ b/src/xgselect.c
@@ -19,14 +19,12 @@ along with GNU Emacs.  If not, see <http§://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
-#include <setjmp.h>
 #include "xgselect.h"
 
 #if defined (USE_GTK) || defined (HAVE_GCONF) || defined (HAVE_GSETTINGS)
 
 #include <glib.h>
 #include <errno.h>
-#include <setjmp.h>
 #include "xterm.h"
 
 int
diff --git a/src/xmenu.c b/src/xmenu.c
index 605db13e149..d03a4bc974b 100644
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -33,7 +33,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "keyboard.h"
diff --git a/src/xml.c b/src/xml.c
index 7bc6130b8b1..b668525cf26 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -20,7 +20,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifdef HAVE_LIBXML2
 
-#include <setjmp.h>
 #include <libxml/tree.h>
 #include <libxml/parser.h>
 #include <libxml/HTMLparser.h>
diff --git a/src/xrdb.c b/src/xrdb.c
index 624bafa5e92..73672c9617c 100644
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -26,7 +26,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <epaths.h>
 
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 
diff --git a/src/xselect.c b/src/xselect.c
index 5a3b7452c6d..ab199e0b9b9 100644
--- a/src/xselect.c
+++ b/src/xselect.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <config.h>
 #include <limits.h>
 #include <stdio.h>      /* termhooks.h needs this */
-#include <setjmp.h>
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
diff --git a/src/xsettings.c b/src/xsettings.c
index a28d75d9422..58c84495489 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -21,7 +21,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <float.h>
 #include <limits.h>
-#include <setjmp.h>
 #include <fcntl.h>
 #include "lisp.h"
 #include "xterm.h"
@@ -711,12 +710,12 @@ apply_xft_settings (struct x_display_info *dpyinfo,
       if (send_event_p)
         store_config_changed_event (Qfont_render,
                                     XCAR (dpyinfo->name_list_element));
-      Vxft_settings 
+      Vxft_settings
         = make_formatted_string (buf, format,
                                  oldsettings.aa, oldsettings.hinting,
                                  oldsettings.rgba, oldsettings.lcdfilter,
                                  oldsettings.hintstyle, oldsettings.dpi);
-      
+
     }
   else
     FcPatternDestroy (pat);
diff --git a/src/xsmfns.c b/src/xsmfns.c
index cddbb2aae86..8067899f931 100644
--- a/src/xsmfns.c
+++ b/src/xsmfns.c
@@ -29,7 +29,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <unistd.h>
 #include <sys/param.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #include "lisp.h"
 #include "systime.h"
diff --git a/src/xterm.c b/src/xterm.c
index 54d4f14bdd0..900a1d78b80 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -22,7 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <stdio.h>
-#include <setjmp.h>
 
 #ifdef HAVE_X_WINDOWS
 
@@ -47,7 +46,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <fcntl.h>
 #include <errno.h>
-#include <setjmp.h>
 #include <sys/stat.h>
 /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed.  */
 /* #include <sys/param.h>  */