American English spelling fix.

68 files changed, 108 insertions, 108 deletions

diff --git a/ChangeLog b/ChangeLog
index 1e51b8b3268..cee624fa348 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6894,7 +6894,7 @@
 
         * make-dist: Check the flag called "make_tar", not "make_dir"; the
         latter, being a typo, is always false, resulting in a program
-        whose default behaviour is to painstakingly build a copy of the
+        whose default behavior is to painstakingly build a copy of the
         source tree, and then delete it.  Rah.
 
         * Makefile.in: Add dist target, and comment for it.
diff --git a/admin/ChangeLog b/admin/ChangeLog
index 11480faa4eb..090f8c20890 100644
--- a/admin/ChangeLog
+++ b/admin/ChangeLog
@@ -463,7 +463,7 @@
 
 2005-02-15  Jason Rumney  <jasonr@gnu.org>
 
-        * nt/makedist.bat: Do not rely on non-standard behaviour of
+        * nt/makedist.bat: Do not rely on non-standard behavior of
         tar --exclude.
 
 2004-11-02  Jan Djärv  <jan.h.d@swipnet.se>
diff --git a/admin/notes/multi-tty b/admin/notes/multi-tty
index c3d432d17c5..685967ca96b 100644
--- a/admin/notes/multi-tty
+++ b/admin/notes/multi-tty
@@ -93,7 +93,7 @@ Known problems:
 
                 emacsclient -e '(top-level)'
 
-          Note that this (perhaps) unintuitive behaviour is by design.
+          Note that this (perhaps) unintuitive behavior is by design.
           Single-kboard mode is required because of an intrinsic Emacs
           limitation that is very hard to eliminate.  (This limitation
           is related to the single-threaded nature of Emacs.)
@@ -733,7 +733,7 @@ DIARY OF CHANGES
    term_init/delete_tty.  The hint was right, in a way.)
 
 -- Issue with SIGIO: it needs to be disabled during redisplay.  See if
-   fcntl kernel behaviour could be emulated by emacsclient.
+   fcntl kernel behavior could be emulated by emacsclient.
 
    (Done.  Simply disabled the SIGIO emulation hack in emacsclient.)
    (Update: it was added back.)  (Update^2: and removed again.)
diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 2f6d1b08973..64e8fc3a810 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -4964,7 +4964,7 @@
 
 2003-08-03  Glenn Morris  <gmorris@ast.cam.ac.uk>
 
-        * calendar.texi (Date Formats): Document changed behaviour of
+        * calendar.texi (Date Formats): Document changed behavior of
         abbreviations.
 
 2003-07-24  Markus Rost  <rost@math.ohio-state.edu>
diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index 8b0b08cdf90..8278166f0a7 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -659,7 +659,7 @@
 2007-11-18  Michael Albinus  <michael.albinus@gmx.de>
 
         * tramp.texi (Filename completion): Simplify explanation of
-        double-slash behaviour.  Explain directory contents flushing.
+        double-slash behavior.  Explain directory contents flushing.
 
 2007-11-16  Jay Belanger  <jay.p.belanger@gmail.com>
 
diff --git a/doc/misc/tramp.texi b/doc/misc/tramp.texi
index e3016f637a7..0d751a93b1d 100644
--- a/doc/misc/tramp.texi
+++ b/doc/misc/tramp.texi
@@ -2278,7 +2278,7 @@ for files on the local host, with the exception that minibuffer
 killing via a double-slash works only on the filename part, except
 that filename part starts with @file{//}.
 @ifset emacs
-A triple-slash stands for the default behaviour.
+A triple-slash stands for the default behavior.
 @end ifset
 @ifinfo
 @xref{Minibuffer File, , , @value{emacsdir}}.
diff --git a/etc/ChangeLog b/etc/ChangeLog
index 8788493de37..d43f477fae3 100644
--- a/etc/ChangeLog
+++ b/etc/ChangeLog
@@ -2964,7 +2964,7 @@
 
 2001-05-17  Francesco Potortì  <pot@gnu.org>
 
-        * etags.1: Add the latest changes to etags behaviour.
+        * etags.1: Add the latest changes to etags behavior.
 
 2001-05-04  Eli Zaretskii  <eliz@is.elta.co.il>
 
diff --git a/etc/ETAGS.EBNF b/etc/ETAGS.EBNF
index fa2ae6c772e..148de7c2303 100644
--- a/etc/ETAGS.EBNF
+++ b/etc/ETAGS.EBNF
@@ -10,7 +10,7 @@ This file contains two sections:
 
 ====================== 1) EBNF tag file description =====================
 
-Productions created from current behaviour to aid extensions
+Productions created from current behavior to aid extensions
 Francesco Potorti` <pot@gnu.org> 2002
 ----------------
 
diff --git a/etc/NEWS b/etc/NEWS
index 2652d4eb8bf..a3ae75bf300 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -712,7 +712,7 @@ saving changes.
 with the face `eldoc-highlight-function-argument'.
 
 *** In Etags, the --members option is now the default.
-Use --no-members if you want the old default behaviour of not tagging
+Use --no-members if you want the old default behavior of not tagging
 struct members in C, members variables in C++ and variables in PHP.
 
 *** The `gdb' command only works with the graphical interface now.
diff --git a/etc/NEWS.1-17 b/etc/NEWS.1-17
index c92cee7481e..c9dc2729fc8 100644
--- a/etc/NEWS.1-17
+++ b/etc/NEWS.1-17
@@ -1026,7 +1026,7 @@ cursor's line.  There are a number of other commands which are the same
 as those of buffer-menu-mode.
 
 This is a useful thing to bind to c-x c-b in your `.emacs' file if the
-rather non-standard `electric' behaviour of the buffer list suits your taste.
+rather non-standard `electric' behavior of the buffer list suits your taste.
 Type C-h after invoking electric-buffer-list for more information.
 
 Calls value of `electric-buffer-menu-mode-hook' if non-nil on entry.
diff --git a/etc/NEWS.22 b/etc/NEWS.22
index 6bd1393d1be..2a7ab4371a5 100644
--- a/etc/NEWS.22
+++ b/etc/NEWS.22
@@ -102,7 +102,7 @@ in to make it use the scrollbars from the system theme.
 ** focus-follows-mouse defaults to nil on MS Windows.
 Previously this variable was incorrectly documented as having no effect
 on MS Windows, and the default was inappropriate for the majority of
-Windows installations. Users of software which modifies the behaviour of
+Windows installations. Users of software which modifies the behavior of
 Windows to cause focus to follow the mouse will now need to explicitly set
 this variable.
 
@@ -2484,7 +2484,7 @@ Emacs 21/22 such as the toolbar, and bitmaps in the fringe to indicate
 breakpoints.
 
 To use this package just type M-x gdb.  See the Emacs manual if you want the
-old behaviour.
+old behavior.
 
 *** GUD mode has its own tool bar for controlling execution of the inferior
 and other common debugger commands.
diff --git a/etc/NXML-NEWS b/etc/NXML-NEWS
index cebbab82fda..ab0d351096d 100644
--- a/etc/NXML-NEWS
+++ b/etc/NXML-NEWS
@@ -93,7 +93,7 @@ the content of an element.  C-M-n and C-M-p move to the next or
 previous element.
 
 By default, the sexp commands (C-M-f, C-M-b, C-M-k, C-M-SPC) operate
-on tags rather than elements.  To restore the old behaviour,
+on tags rather than elements.  To restore the old behavior,
 customize nxml-sexp-element-flag.
 
 The file TUTORIAL has been replaced by nxml-mode.info; this is in info
@@ -137,7 +137,7 @@ You can do
   M-x customize-variable RET nxml-slash-auto-complete-flag RET
 
 and then follow the instructions displayed in the buffer to get the
-old behaviour.
+old behavior.
 
 Completion after </ will complete the rest of the end-tag. Completion
 after < will include the end-tag in the possibilities if allowed by
diff --git a/etc/termcap.src b/etc/termcap.src
index aeb41745540..fbe8378c800 100644
--- a/etc/termcap.src
+++ b/etc/termcap.src
@@ -6070,7 +6070,7 @@ wy99gt-w-vb|wy99gt-wvb|wyse99gt-wvb|Wyse 99gt 132-column visible bell:\
 # this speed.
 #   dch1 has been commented out because it causes annoying glittering when
 # vi deletes one character at the beginning of a line with tabs in it.
-#   dch makes sysgen(1M) have a horrible behaviour when deleting
+#   dch makes sysgen(1M) have a horrible behavior when deleting
 # a screen and makes screen(1) behave badly, so it is disabled too. The nice
 # thing is that vi goes crazy if smir-rmir are present and both dch-dch1 are
 # not, so smir and rmir are commented out as well.
@@ -6323,7 +6323,7 @@ wy85-wvb|wyse85-wvb|wyse 85 with visible bell 132-columns:\
 # terminal bug (not sending \E[) was acknowledged by Wyse (so it's not just
 # me), but I can't find that and the server under my bookmark to "Wyse
 # Technical" isn't responding.  So there's the question of wether the wy85
-# terminfo should reflect the manufactuer's intended behaviour of the terminal
+# terminfo should reflect the manufactuer's intended behavior of the terminal
 # or the actual."
 # (untranslatable capabilities removed to fit entry within 1023 bytes)
 # (sgr removed to fit entry within 1023 bytes)
diff --git a/leim/ChangeLog b/leim/ChangeLog
index 483723625fb..74eaf849c7d 100644
--- a/leim/ChangeLog
+++ b/leim/ChangeLog
@@ -544,7 +544,7 @@
 2003-07-21  KAWABATA, Taichi  <kawabata@m17n.org>
 
         * quail/indian.el (quail-indian-update-translation): Adjust the
-        behaviour according to the change of quail-translate-key.
+        behavior according to the change of quail-translate-key.
 
 2003-05-22  Kenichi Handa  <handa@m17n.org>
 
diff --git a/lisp/ChangeLog.10 b/lisp/ChangeLog.10
index bd0703de132..4d20acd8b89 100644
--- a/lisp/ChangeLog.10
+++ b/lisp/ChangeLog.10
@@ -14464,7 +14464,7 @@
         * simple.el (push-mark-command): Added optional NOMSG arg.
 
         * emulation/cua-base.el (cua-set-mark): Align pop to mark
-        behaviour with standard set-mark-command.
+        behavior with standard set-mark-command.
         (cua--pre-command-handler): Use push-mark-command.
         (cua-repeat-replace-region): Improve functionality when
         repeated after moving point or changing buffer.
@@ -14482,7 +14482,7 @@
 2002-05-26  Glenn Morris  <gmorris@ast.cam.ac.uk>
 
         * progmodes/f90.el (f90-previous-block, f90-next-block): New names,
-        and slightly changed behaviour, for `f90-previous-block-start' and
+        and slightly changed behavior, for `f90-previous-block-start' and
         `f90-next-block-end'.
         (f90-beginning-of-subprogram, f90-end-of-subprogram): Simplify.
 
@@ -17724,7 +17724,7 @@
         directory names in classpath/sourcepath lists, update comment.
         (jdb): Add setting of gud-jdb-sourcepath, update comment.
         (gud-find-class): Add gud-jdb-sourcepath use, and correct
-        behaviour for the case when classpath is not used--backward
+        behavior for the case when classpath is not used--backward
         compatibility fix.
 
 2002-03-27  Eli Zaretskii  <eliz@is.elta.co.il>
@@ -22062,7 +22062,7 @@
 2001-11-18  Stephen Eglen  <stephen@gnu.org>
 
         * iswitchb.el (iswitchb-cannot-complete-hook): New variable to
-        control behaviour when no further completion is possible.
+        control behavior when no further completion is possible.
 
 2001-11-19  Colin Walters  <walters@verbum.org>
 
diff --git a/lisp/ChangeLog.12 b/lisp/ChangeLog.12
index db12cac619c..fc0ef6e6164 100644
--- a/lisp/ChangeLog.12
+++ b/lisp/ChangeLog.12
@@ -3869,7 +3869,7 @@
 
 2006-11-26  Nick Roberts  <nickrob@snap.net.nz>
 
-        * speedbar.el (speedbar-timer-fn): Revert to old behaviour when not
+        * speedbar.el (speedbar-timer-fn): Revert to old behavior when not
         in GUD mode.
 
         * progmodes/gud.el (gud-install-speedbar-variables): Remove bindings:
@@ -4512,7 +4512,7 @@
 
         * printing.el (pr-alist-custom-set, pr-ps-utility-custom-set)
         (pr-ps-name-custom-set, pr-txt-name-custom-set): Return back the old
-        behaviour.
+        behavior.
         (pr-menu-bind): Act on global-map instead of menu-bar-file-menu
         directly.
 
diff --git a/lisp/ChangeLog.13 b/lisp/ChangeLog.13
index a7246c3ab57..89333a731c5 100644
--- a/lisp/ChangeLog.13
+++ b/lisp/ChangeLog.13
@@ -3985,7 +3985,7 @@
 2008-01-17  Vinicius Jose Latorre  <viniciusjl@ig.com.br>
             Miles Bader  <miles@gnu.org>
 
-        * blank-mode.el: New file.  Minor mode to visualise (HARD) SPACE,
+        * blank-mode.el: New file.  Minor mode to visualize (HARD) SPACE,
         TAB, NEWLINE.  Miles Bader <miles@gnu.org> wrote the original code
         for handling display table (via visws.el package), his code was
         modified, but the main idea was kept.
diff --git a/lisp/ChangeLog.3 b/lisp/ChangeLog.3
index 9de6be09068..a69ab8456b3 100644
--- a/lisp/ChangeLog.3
+++ b/lisp/ChangeLog.3
@@ -2696,7 +2696,7 @@
         * fortran.el (fortran-prepare-abbrev-list-buffer): Put quote in
         front of first argument to `insert-abbrev-table-description'.
 
-        * fortran.el (fortran-is-in-string-p): Fixed incorrect behaviour
+        * fortran.el (fortran-is-in-string-p): Fixed incorrect behavior
         when in first statement of a buffer.
 
 1993-02-08  Roland McGrath  (roland@geech.gnu.ai.mit.edu)
diff --git a/lisp/ChangeLog.5 b/lisp/ChangeLog.5
index ee88e5b073a..1a2781b0d98 100644
--- a/lisp/ChangeLog.5
+++ b/lisp/ChangeLog.5
@@ -4533,7 +4533,7 @@
 
         * imenu.el (imenu-always-use-completion-buffer-p): A value of
         `never' now means never display a completion buffer.
-        (imenu--completion-buffer): Implement 'never behaviour.
+        (imenu--completion-buffer): Implement 'never behavior.
 
 1994-12-21  Stefan Schoef  <schoef@informatik.uni-oldenburg.de>
 
diff --git a/lisp/ChangeLog.6 b/lisp/ChangeLog.6
index c4c00ffb082..f06df6497f6 100644
--- a/lisp/ChangeLog.6
+++ b/lisp/ChangeLog.6
@@ -5291,7 +5291,7 @@
 
         * skeleton.el (skeleton-end-hook): Now defvared and responsible for
         pushing out anything following skeleton to next line.  Thus this
-        behaviour can now be controlled by modes.
+        behavior can now be controlled by modes.
         (skeleton-insert): Parameter `no-newline' removed.
         (skeleton-read): Take this into account.
         (skeleton-internal-1): Less spurious empty lines when wrapping.
@@ -6721,7 +6721,7 @@
 
         * skeleton.el (skeleton-newline-indent-rigidly): New variable.
         (skeleton-internal-1): Use it for indenting after \n because previous
-        behaviour was only useful for `sh-script.el' and old `ada.el'.  Other
+        behavior was only useful for `sh-script.el' and old `ada.el'.  Other
         modes now get their own indentation.
         (skeleton, skeleton-modified, skeleton-point, skeleton-regions): `New'
         variables for passing between the mutually recursive functions of
diff --git a/lisp/ChangeLog.7 b/lisp/ChangeLog.7
index f933402f3c7..85881594f12 100644
--- a/lisp/ChangeLog.7
+++ b/lisp/ChangeLog.7
@@ -6528,7 +6528,7 @@
         are used for key generation as well.
         (bibtex-member-of-regexp): Case is honoured for matches now.
         (bibtex-autokey-titleword-ignore): Added entries provide compatibility
-        to former behaviour.
+        to former behavior.
 
         * bibtex.el (bibtex-autokey-titleword-ignore): Title words found in
         this list are always ignored (previously only at the beginning of the
@@ -21591,7 +21591,7 @@
 
         * find-file.el (general): Enabled commentary for Finder.
         (ff-search-directories): Changed /usr/include/* to /usr/include.
-        (ff-get-file-name): Improve behaviour when file is found in a buffer.
+        (ff-get-file-name): Improve behavior when file is found in a buffer.
 
 1996-11-02  Richard Stallman  <rms@ethanol.gnu.ai.mit.edu>
 
diff --git a/lisp/ChangeLog.8 b/lisp/ChangeLog.8
index d74795ecfe1..0f924efa6d0 100644
--- a/lisp/ChangeLog.8
+++ b/lisp/ChangeLog.8
@@ -7276,7 +7276,7 @@
 
         * rmail.el (rmail-encode-string): Make sure mask value is
         positive; (emacs-pid) returns a negative number on Windows 9x
-        which causes odd behaviour.
+        which causes odd behavior.
 
 1998-12-31  Eli Zaretskii  <eliz@mescaline.gnu.org>
 
diff --git a/lisp/ChangeLog.9 b/lisp/ChangeLog.9
index 51f29b94b48..b98599b3ddd 100644
--- a/lisp/ChangeLog.9
+++ b/lisp/ChangeLog.9
@@ -3535,7 +3535,7 @@
 2001-05-07  MORIOKA Tomohiko  <tomo@m17n.org>
 
         The following changes are to provide infrastructure for handling
-        MIME messages to rmail.  They don't affect the original behaviour
+        MIME messages to rmail.  They don't affect the original behavior
         if rmail-enable-mime is nil.
 
         * mail/rmail.el (rmail-insert-mime-forwarded-message-function)
@@ -3792,7 +3792,7 @@
 
 2001-04-24  Gerd Moellmann  <gerd@gnu.org>
 
-        * rect.el (string-rectangle): Revert to 20.x behaviour.
+        * rect.el (string-rectangle): Revert to 20.x behavior.
         (replace-rectangle): Make it an alias for string-rectangle.
         (string-insert-rectangle): New function.
 
@@ -13875,7 +13875,7 @@
 
         * timer.el (run-with-idle-timer): Undo last change, so that timer
         is not activated immediately if Emacs is already idle.  Some
-        existing code relies on this behaviour.
+        existing code relies on this behavior.
 
 2000-08-30  Miles Bader  <miles@gnu.org>
 
@@ -16846,7 +16846,7 @@
 
         * recentf.el: Added some "Commentary".
         (recentf-open-more-files, recentf-edit-list): Minor changes to
-        move the point at the top of the file list.  This behaviour is
+        move the point at the top of the file list.  This behavior is
         consistent with the menu one when the list contains a lot of
         files.
         (recentf-cleanup): Now displays the number of items removed from
diff --git a/lisp/arc-mode.el b/lisp/arc-mode.el
index f97ad4bf8c5..83ffe65c970 100644
--- a/lisp/arc-mode.el
+++ b/lisp/arc-mode.el
@@ -230,7 +230,7 @@ be added."
                         (string :format "%v")))
   :group 'archive-zip)
 
-;; For several reasons the latter behaviour is not desirable in general.
+;; For several reasons the latter behavior is not desirable in general.
 ;; (1) It uses more disk space.  (2) Error checking is worse or non-
 ;; existent.  (3) It tends to do funny things with other systems' file
 ;; names.
diff --git a/lisp/complete.el b/lisp/complete.el
index 058bcd7e8ad..95e116f7536 100644
--- a/lisp/complete.el
+++ b/lisp/complete.el
@@ -933,7 +933,7 @@ or properties are considered."
     ;; completions of "(ne", which is presumably not what one wants.
     ;;
     ;; This is arguably (at least, it seems to be the existing intended
-    ;; behaviour) what one _does_ want if point has been explicitly
+    ;; behavior) what one _does_ want if point has been explicitly
     ;; positioned on the hyphen. Note that if PC-do-completion (qv) binds
     ;; completion-base-size to nil, then completion does not replace the
     ;; correct amount of text in such cases.
@@ -945,12 +945,12 @@ or properties are considered."
     ;; the minibuffer. The same is not true for lisp symbols.
     ;;
     ;; [1] An alternate fix would be to not move point to the hyphen
-    ;; in such cases, but that would make the behaviour different from
+    ;; in such cases, but that would make the behavior different from
     ;; that for filenames. It seems PC moves point to the site of the
     ;; first difference between the possible completions.
     ;;
     ;; Alternatively alternatively, maybe end should be computed in
-    ;; the same way as beg. That would change the behaviour though.
+    ;; the same way as beg. That would change the behavior though.
     (if (equal last-command 'PC-lisp-complete-symbol)
         (PC-do-completion nil beg PC-lisp-complete-end t)
       (if PC-lisp-complete-end
diff --git a/lisp/emulation/cua-base.el b/lisp/emulation/cua-base.el
index 9047b6473a5..8a366a25d75 100644
--- a/lisp/emulation/cua-base.el
+++ b/lisp/emulation/cua-base.el
@@ -63,7 +63,7 @@
 ;; - press the prefix key and the following key within 0.2 seconds, or
 ;; - use the SHIFT key with the prefix key, i.e. C-X or C-C
 ;;
-;; This behaviour can be customized via the
+;; This behavior can be customized via the
 ;; cua-prefix-override-inhibit-delay variable.
 
 ;; In addition to using the shifted movement keys, you can also use
diff --git a/lisp/emulation/pc-select.el b/lisp/emulation/pc-select.el
index 9400c37ceed..bb977cc3802 100644
--- a/lisp/emulation/pc-select.el
+++ b/lisp/emulation/pc-select.el
@@ -30,7 +30,7 @@
 ;; programs (which is the same as the MAC gui and (sorry for that) MS-Windows).
 ;; It modifies the keybindings of the cursor keys and the next, prior,
 ;; home and end keys. They will modify mark-active.
-;; You can still get the old behaviour of cursor moving with the
+;; You can still get the old behavior of cursor moving with the
 ;; control sequences C-f, C-b, etc.
 ;; This package uses transient-mark-mode and
 ;; delete-selection-mode.
@@ -71,7 +71,7 @@
 ;;    which will operate on the active region
 ;;    It was not possible to bind them to C-v, C-x and C-c for obvious
 ;;    emacs reasons.
-;;    They will be bound according to the "old" behaviour to S-delete (cut),
+;;    They will be bound according to the "old" behavior to S-delete (cut),
 ;;    S-insert (paste) and C-insert (copy). These keys do the same in many
 ;;    other programs.
 ;;
diff --git a/lisp/erc/ChangeLog.02 b/lisp/erc/ChangeLog.02
index f7ade03aee1..d46a57b18c6 100644
--- a/lisp/erc/ChangeLog.02
+++ b/lisp/erc/ChangeLog.02
@@ -162,7 +162,7 @@
 
         * erc.el(erc-truncate-buffer-on-save):
         Removed documentation that
-        described behaviour now changed.  It used to say "When nil, no
+        described behavior now changed.  It used to say "When nil, no
         buffer is ever truncated."  This is no longer true; even when
         buffers are NOT truncated on save, they can be truncated, eg. by
         adding erc-truncate-buffer to the hook.
@@ -1916,7 +1916,7 @@
         Fix C-c C-t to not include the nick/time info
         (both from antifuchs)
 
-        * erc-complete.el: Fix for xemacs elt behaviour
+        * erc-complete.el: Fix for xemacs elt behavior
 
 2002-04-17  John Wiegley  <johnw@gnu.org>
 
@@ -1970,7 +1970,7 @@
 2002-04-11  Mario Lang  <mlang@delysid.org>
 
         * erc-track.el:
-        try to fix behaviour when used with different frames.
+        try to fix behavior when used with different frames.
 
 2002-04-09  Mario Lang  <mlang@delysid.org>
 
@@ -2162,7 +2162,7 @@
         * erc-match.el:
         Minor fix related to hook call method change (-until-seccess now)
 
-        * erc.el: fixed ctcp behaviour abit (with auto-query on)
+        * erc.el: fixed ctcp behavior abit (with auto-query on)
 
         * erc-list.el: ChanList mode.
         Load it, and type M-x erc-chanlist RET
@@ -2396,7 +2396,7 @@
 2002-01-30  Andreas Fuchs  <asf@void.at>
 
         * erc.el:
-        * erc-send-current-line: fix behaviour where buffer changes.
+        * erc-send-current-line: fix behavior where buffer changes.
         * erc-mark-message: fix stupid face bug. highlighting of pals should work now.
 
         * erc-ring.el, erc.el:
diff --git a/lisp/erc/erc-truncate.el b/lisp/erc/erc-truncate.el
index 0737fb1a0b7..02641c70a36 100644
--- a/lisp/erc/erc-truncate.el
+++ b/lisp/erc/erc-truncate.el
@@ -70,7 +70,7 @@ region is logged if `erc-logging-enabled' returns non-nil."
       (set-buffer buffer)
       ;; Note that when erc-insert-post-hook runs, the buffer is
       ;; narrowed to the new message.  So do this delicate widening.
-      ;; I am not sure, I think this was not recommended behaviour in
+      ;; I am not sure, I think this was not recommended behavior in
       ;; Emacs 20.
       (save-restriction
         (widen)
diff --git a/lisp/filesets.el b/lisp/filesets.el
index 2d6cb5f0f74..064cfbfb0e1 100644
--- a/lisp/filesets.el
+++ b/lisp/filesets.el
@@ -52,7 +52,7 @@
 ;; programs.  See `filesets-external-viewers'.
 
 ;; BTW, if you close a fileset, files, which have been changed, will
-;; be silently saved.  Change this behaviour by setting
+;; be silently saved.  Change this behavior by setting
 ;; `filesets-save-buffer-fn'.
 
 ;;; Supported modes for inclusion groups (`filesets-ingroup-patterns'):
diff --git a/lisp/font-core.el b/lisp/font-core.el
index c7906b68d01..e3c34b012ce 100644
--- a/lisp/font-core.el
+++ b/lisp/font-core.el
@@ -252,7 +252,7 @@ this function onto `change-major-mode-hook'."
 ;; Although Global Font Lock mode is a pseudo-mode, I think that the user
 ;; interface should conform to the usual Emacs convention for modes, i.e., a
 ;; command to toggle the feature (`global-font-lock-mode') with a variable for
-;; finer control of the mode's behaviour (`font-lock-global-modes').
+;; finer control of the mode's behavior (`font-lock-global-modes').
 ;;
 ;; The feature should not be enabled by loading font-lock.el, since other
 ;; mechanisms for turning on Font Lock mode, such as M-x font-lock-mode RET or
diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index 9206da2875c..3f81de0b144 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -109,7 +109,7 @@
 ;; the pattern definitions.)  Font Lock mode chooses which variable to use for
 ;; fontification based on `font-lock-maximum-decoration'.
 ;;
-;; Font Lock mode fontification behaviour can be modified in a number of ways.
+;; Font Lock mode fontification behavior can be modified in a number of ways.
 ;; See the below comments and the comments distributed throughout this file.
 
 ;;; Constructing patterns:
diff --git a/lisp/gnus/ChangeLog.2 b/lisp/gnus/ChangeLog.2
index c1f8769a6b9..ba06c25e9c3 100644
--- a/lisp/gnus/ChangeLog.2
+++ b/lisp/gnus/ChangeLog.2
@@ -12322,7 +12322,7 @@
         * mm-encode.el (mm-encode-content-transfer-encoding): Fix error
         message.  (Gnus does not "default" to using 8bit for the message,
         it default to use 8bit encoding and the user-supplied CTE
-        value.  Calling this behaviour "treating it as 8bit" is perhaps
+        value.  Calling this behavior "treating it as 8bit" is perhaps
         better.)
 
         * mm-bodies.el (mm-body-encoding): Intern encoding if needed
@@ -12607,7 +12607,7 @@
         (imap-remassoc): Copied from `gnus-remassoc'.
         (imap-add-callback): New function.
         (imap-mailbox-expunge, imap-mailbox-close): Support asynchronous
-        behaviour.
+        behavior.
         (imap-parse-response): Call the callback.
 
         * message.el (message-insert-canlock): New variable.
diff --git a/lisp/gnus/gnus-demon.el b/lisp/gnus/gnus-demon.el
index 565be3bcb47..bf7b4db889d 100644
--- a/lisp/gnus/gnus-demon.el
+++ b/lisp/gnus/gnus-demon.el
@@ -1,4 +1,4 @@
-;;; gnus-demon.el --- daemonic Gnus behaviour
+;;; gnus-demon.el --- daemonic Gnus behavior
 
 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index 8ccce96656d..0a38ec028c1 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -4543,7 +4543,7 @@ to find out how to use this."
         (apply
          'call-process-region (point-min) (point-max)
          message-qmail-inject-program nil nil nil
-         ;; qmail-inject's default behaviour is to look for addresses on the
+         ;; qmail-inject's default behavior is to look for addresses on the
          ;; command line; if there're none, it scans the headers.
          ;; yes, it does The Right Thing w.r.t. Resent-To and it's kin.
          ;;
diff --git a/lisp/gnus/rfc2047.el b/lisp/gnus/rfc2047.el
index 89c10a99e08..ea5274798be 100644
--- a/lisp/gnus/rfc2047.el
+++ b/lisp/gnus/rfc2047.el
@@ -291,7 +291,7 @@ Should be called narrowed to the head of the message."
              ;; 8-bit names.  The group name mail copy just got
              ;; unconditionally encoded.  Previously, it would ask
              ;; whether to encode, which was quite confusing for the
-             ;; user.  If the new behaviour is wrong, tell me. I have
+             ;; user.  If the new behavior is wrong, tell me. I have
              ;; left the old code commented out below.
              ;; -- Per Abrahamsen <abraham@dina.kvl.dk> Date: 2001-10-07.
              ;; Modified by Dave Love, with the commented-out code changed
diff --git a/lisp/gs.el b/lisp/gs.el
index f17ea17afbd..3f0929f7807 100644
--- a/lisp/gs.el
+++ b/lisp/gs.el
@@ -196,7 +196,7 @@ the form \"WINDOW-ID PIXMAP-ID\".  Value is non-nil if successful."
         ;; proper implementation not waiting at all but creating
         ;; appropriate queues, or b) permanently bad display due to
         ;; bad cached images.  So remember that this
-        ;; is just a hack and if people don't like the behaviour, they
+        ;; is just a hack and if people don't like the behavior, they
         ;; will most likely like the easy alternatives even less.
         ;; And at least the image cache will make the delay apparent
         ;; just once.
diff --git a/lisp/ido.el b/lisp/ido.el
index d4a84780505..e5091b83c00 100644
--- a/lisp/ido.el
+++ b/lisp/ido.el
@@ -225,7 +225,7 @@
 ;; to show you more of the matching files (depending on the setting
 ;; of the variables `resize-mini-windows' and `max-mini-window-height').
 ;; If you want ido to behave differently from the default minibuffer
-;; resizing behaviour, set the variable `ido-max-window-height'.
+;; resizing behavior, set the variable `ido-max-window-height'.
 ;;
 ;; Also, to improve the responsiveness of ido, the maximum number of
 ;; matching items is limited to 12, but you can increase or removed
@@ -272,7 +272,7 @@
 ;; To use ido for all buffer and file selections in Emacs, customize the
 ;; variable `ido-everywhere'.
 
-;; Using ido-like behaviour in other lisp packages
+;; Using ido-like behavior in other lisp packages
 ;; -----------------------------------------------
 
 ;; If you don't want to rely on the `ido-everywhere' functionality,
@@ -2267,7 +2267,7 @@ If cursor is not at the end of the user input, move to end of input."
            (or ido-use-url-at-point ido-use-filename-at-point))
       (let (fn d)
         (require 'ffap)
-        ;; Duplicate code from ffap-guesser as we want different behaviour for files and URLs.
+        ;; Duplicate code from ffap-guesser as we want different behavior for files and URLs.
         (cond
          ((with-no-warnings
             (and ido-use-url-at-point
diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index 2e9b1e100e8..98e6577aa76 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -2588,7 +2588,7 @@ See also `locale-charset-language-names', `locale-language-names',
           ;; only).  At least X and MS Windows can generate
           ;; multilingual input.
           ;; XXX This was disabled unless `window-system', but that
-          ;; leads to buggy behaviour when a tty frame is opened
+          ;; leads to buggy behavior when a tty frame is opened
           ;; later.  Setting the keyboard coding system has no adverse
           ;; effect on X, so let's do it anyway. -- Lorentey
           (let ((kcs (or coding-system
diff --git a/lisp/international/utf-7.el b/lisp/international/utf-7.el
index e6f9d4f4c05..368a25d4c4f 100644
--- a/lisp/international/utf-7.el
+++ b/lisp/international/utf-7.el
@@ -31,7 +31,7 @@
 ;; implementation in Gnus, but has been substantially re-done.
 
 ;; This probably needs more attention.  In particular, it's not
-;; completely consistent with iconv's behaviour.  It's arguable
+;; completely consistent with iconv's behavior.  It's arguable
 ;; whether the IMAP version should be a coding system since it's
 ;; apparently only used for IMAP mailbox names, so it's commented out.
 
diff --git a/lisp/iswitchb.el b/lisp/iswitchb.el
index 8b15b0ede3e..dfc58d4165d 100644
--- a/lisp/iswitchb.el
+++ b/lisp/iswitchb.el
@@ -175,7 +175,7 @@
 ;; iswitch for all buffer selections in Emacs, add:
 ;; (setq read-buffer-function 'iswitchb-read-buffer)
 ;; (This variable was introduced in Emacs 20.3.)
-;; XEmacs users can get the same behaviour by doing:
+;; XEmacs users can get the same behavior by doing:
 ;; (defalias 'read-buffer 'iswitchb-read-buffer)
 ;; since `read-buffer' is defined in lisp.
 
@@ -212,7 +212,7 @@
 ;;                      iswitchb-mode-map "\C-o"
 ;;                      'iswitchb-exclude-nonmatching)))
 
-;; Other lisp packages extend iswitchb behaviour to other tasks.  See
+;; Other lisp packages extend iswitchb behavior to other tasks.  See
 ;; ido.el (by Kim Storm) and mcomplete.el (Yuji Minejima).
 
 ;; Window managers: Switching frames/focus follows mouse; Sawfish.
diff --git a/lisp/mail/mailabbrev.el b/lisp/mail/mailabbrev.el
index f92de4291df..c99b2a22d3d 100644
--- a/lisp/mail/mailabbrev.el
+++ b/lisp/mail/mailabbrev.el
@@ -115,7 +115,7 @@
 ;; If you want multiple addresses separated by a string other than ", " then
 ;; you can set the variable mail-alias-separator-string to it.  This has to
 ;; be a comma bracketed by whitespace if you want any kind of reasonable
-;; behaviour.
+;; behavior.
 ;;
 ;; Thanks to Harald Hanche-Olsen, Michael Ernst, David Loeffler, and
 ;; Noah Friedman for suggestions and bug reports.
diff --git a/lisp/mail/mspools.el b/lisp/mail/mspools.el
index cbbe3bea30e..5c5c86fbc2e 100644
--- a/lisp/mail/mspools.el
+++ b/lisp/mail/mspools.el
@@ -103,7 +103,7 @@
 ;; Rather than showing size in bytes, could we see the number of msgs
 ;; waiting?  (Could be more time demanding / system dependent).
 ;; Maybe just call a perl script to do all the hard work, and
-;; visualise the results in the buffer.
+;; visualize the results in the buffer.
 
 ;; Shrink wrap the buffer to remove excess white-space?
 
diff --git a/lisp/man.el b/lisp/man.el
index 229365033a0..353a9032992 100644
--- a/lisp/man.el
+++ b/lisp/man.el
@@ -74,7 +74,7 @@
 
 ;; ============= TODO ===========
 ;; - Add a command for printing.
-;; - The awk script deletes multiple blank lines.  This behaviour does
+;; - The awk script deletes multiple blank lines.  This behavior does
 ;;   not allow to understand if there was indeed a blank line at the
 ;;   end or beginning of a page (after the header, or before the
 ;;   footer).  A different algorithm should be used.  It is easy to
diff --git a/lisp/mouse-sel.el b/lisp/mouse-sel.el
index b1a7dcb33ca..49915026874 100644
--- a/lisp/mouse-sel.el
+++ b/lisp/mouse-sel.el
@@ -113,14 +113,14 @@
 ;; * I like to leave point at the end of the region nearest to where the
 ;;   mouse was, even though this makes region highlighting mis-leading (the
 ;;   cursor makes it look like one extra character is selected).  You can
-;;   disable this behaviour with:
+;;   disable this behavior with:
 ;;
 ;;     (setq mouse-sel-leave-point-near-mouse nil)
 ;;
 ;; * By default, mouse-select cycles the click count after 4 clicks.  That
 ;;   is, clicking mouse-1 five times has the same effect as clicking it
 ;;   once, clicking six times has the same effect as clicking twice, etc.
-;;   Disable this behaviour with:
+;;   Disable this behavior with:
 ;;
 ;;     (setq mouse-sel-cycle-clicks nil)
 ;;
diff --git a/lisp/mouse.el b/lisp/mouse.el
index 524d45271a0..ffdfb86dac2 100644
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -1110,7 +1110,7 @@ If DIR is positive skip forward; if negative, skip backward."
            ;; Here, we can't use skip-syntax-forward/backward because
            ;; they don't pay attention to word-separating-categories,
            ;; and thus they will skip over a true word boundary.  So,
-           ;; we simulate the original behaviour by using forward-word.
+           ;; we simulate the original behavior by using forward-word.
            (if (< dir 0)
                (if (not (looking-at "\\<"))
                    (forward-word -1))
diff --git a/lisp/net/rcirc.el b/lisp/net/rcirc.el
index 55c7426191d..5eb96c0b5dc 100644
--- a/lisp/net/rcirc.el
+++ b/lisp/net/rcirc.el
@@ -28,7 +28,7 @@
 ;; communication in discussion forums called channels, but also allows
 ;; one-to-one communication.
 
-;; Rcirc has simple defaults and clear and consistent behaviour.
+;; Rcirc has simple defaults and clear and consistent behavior.
 ;; Message arrival timestamps, activity notification on the modeline,
 ;; message filling, nick completion, and keepalive pings are all
 ;; enabled by default, but can easily be adjusted or turned off.  Each
diff --git a/lisp/nxml/nxml-ns.el b/lisp/nxml/nxml-ns.el
index 7fb6d0e4874..1c7068faf21 100644
--- a/lisp/nxml/nxml-ns.el
+++ b/lisp/nxml/nxml-ns.el
@@ -71,7 +71,7 @@ are inherited from the parent state."
   (setq nxml-ns-state (cons (car nxml-ns-state) nxml-ns-state)))
 
 (defun nxml-ns-pop-state ()
-  "Change the state by ending an element.  The behaviour is undefined
+  "Change the state by ending an element.  The behavior is undefined
 if there is no open element."
   (setq nxml-ns-state (cdr nxml-ns-state)))
 
diff --git a/lisp/progmodes/f90.el b/lisp/progmodes/f90.el
index 15cce1412d9..6e5dee5130a 100644
--- a/lisp/progmodes/f90.el
+++ b/lisp/progmodes/f90.el
@@ -635,7 +635,7 @@ Can be overridden by the value of `font-lock-maximum-decoration'.")
     (modify-syntax-entry ?=  "."  table)
     (modify-syntax-entry ?*  "."  table)
     (modify-syntax-entry ?/  "."  table)
-    ;; I think that the f95 standard leaves the behaviour of \
+    ;; I think that the f95 standard leaves the behavior of \
     ;; unspecified, but that f2k will require it to be non-special.
     ;; Use `f90-backslash-not-special' to change.
     (modify-syntax-entry ?\\ "\\" table) ; escape chars
diff --git a/lisp/progmodes/sql.el b/lisp/progmodes/sql.el
index fdbb6e3e2da..55427eef71a 100644
--- a/lisp/progmodes/sql.el
+++ b/lisp/progmodes/sql.el
@@ -408,7 +408,7 @@ following:
                         special character treatment by font-lock and
                         imenu. ")
 
-;; misc customization of sql.el behaviour
+;; misc customization of sql.el behavior
 
 (defcustom sql-electric-stuff nil
   "Treat some input as electric.
diff --git a/lisp/tempo.el b/lisp/tempo.el
index b44605a9be3..dc47193d50e 100644
--- a/lisp/tempo.el
+++ b/lisp/tempo.el
@@ -82,7 +82,7 @@
 
 ;; If the 'o is the first element in a template, strange things can
 ;; happen when the template is inserted at the beginning of a
-;; line. This is due to strange behaviour in open-line. But it should
+;; line. This is due to strange behavior in open-line. But it should
 ;; be easily avoided.
 
 ;; The 'o tag is also a problem when including the region. This will
diff --git a/lisp/term/internal.el b/lisp/term/internal.el
index 658307d3959..59b25864f69 100644
--- a/lisp/term/internal.el
+++ b/lisp/term/internal.el
@@ -27,7 +27,7 @@
 ;; ---------------------------------------------------------------------------
 ;; keyboard setup -- that's simple!
 (set-input-mode nil nil 0)
-(define-key local-function-key-map [backspace] "\177") ; Normal behaviour for BS
+(define-key local-function-key-map [backspace] "\177") ; Normal behavior for BS
 (define-key local-function-key-map [delete] "\C-d") ; ... and Delete
 (define-key local-function-key-map [tab] [?\t])
 (define-key local-function-key-map [linefeed] [?\n])
diff --git a/lisp/textmodes/rst.el b/lisp/textmodes/rst.el
index a82dd905ed8..7eca907bc20 100644
--- a/lisp/textmodes/rst.el
+++ b/lisp/textmodes/rst.el
@@ -1014,9 +1014,9 @@ REVERSE-DIRECTION is used to reverse the cycling order."
 Adjust/rotate the section decoration for the section title
 around point or promote/demote the decorations inside the region,
 depending on if the region is active.  This function is meant to
-be invoked possibly multiple times, and can vary its behaviour
+be invoked possibly multiple times, and can vary its behavior
 with a positive prefix argument (toggle style), or with a
-negative prefix argument (alternate behaviour).
+negative prefix argument (alternate behavior).
 
 This function is the main focus of this module and is a bit of a
 swiss knife.  It is meant as the single most essential function
@@ -1079,7 +1079,7 @@ decoration.")
 "Adjust/rotate the section decoration for the section title around point.
 
 This function is meant to be invoked possibly multiple times, and
-can vary its behaviour with a true TOGGLE-STYLE argument, or with
+can vary its behavior with a true TOGGLE-STYLE argument, or with
 a REVERSE-DIRECTION argument.
 
 General Behaviour
diff --git a/lisp/url/ChangeLog b/lisp/url/ChangeLog
index d0a56c6b89d..5994e0909ff 100644
--- a/lisp/url/ChangeLog
+++ b/lisp/url/ChangeLog
@@ -1444,7 +1444,7 @@
         needed.  I should use my brain sometime.
 
         * lisp/url-vars.el (and): Fix feature test for xemacs and
-        coding-system-list behaviour.
+        coding-system-list behavior.
 
         * lisp/url-http.el
         (url-http-chunked-encoding-after-change-function): Add optional
diff --git a/lisp/vcursor.el b/lisp/vcursor.el
index 2009eb9ffd7..4f5ebf8d8a5 100644
--- a/lisp/vcursor.el
+++ b/lisp/vcursor.el
@@ -30,7 +30,7 @@
 ;; - *IMPORTANT* vcursor-key-bindings is now nil by default, to avoid
 ;;   side-effects when the package is loaded.  This means no keys are
 ;;   bound by default.  Use customize to change it to t to restore
-;;   the old behaviour.  (If you do it by hand in .emacs, it
+;;   the old behavior.  (If you do it by hand in .emacs, it
 ;;   must come before vcursor is loaded.)
 ;; - You can alter the main variables and the vcursor face via
 ;;   M-x customize: go to the Editing group and find Vcursor.
@@ -52,7 +52,7 @@
 ;; Virtual cursor commands.  I got this idea from the old BBC micro.
 ;; You need Emacs 19 or 20 and a window system for the best effects.
 ;; For character terminals, at least Emacs 19.29 is required
-;; (special behaviour for the overlay property
+;; (special behavior for the overlay property
 ;; "before-string" must be implemented).  Search for "dumb terminals"
 ;; for more information.
 ;;
@@ -104,7 +104,7 @@
 ;; In the "on" state, moving the virtual cursor will copy the
 ;; moved-over text to the normal cursor position (including when going
 ;; backwards, though each piece of text moved over is copied forwards:
-;; compare the behaviour of C-S-up and C-S-left).
+;; compare the behavior of C-S-up and C-S-left).
 ;;
 ;; However, that's just a small part of the magic.  If the virtual
 ;; cursor goes off the display, it will be redisplayed in some other
diff --git a/lisp/woman.el b/lisp/woman.el
index faf0a1c1793..685304e979c 100644
--- a/lisp/woman.el
+++ b/lisp/woman.el
@@ -109,7 +109,7 @@
 
 ;; (By default, WoMan will automatically define the dired keys "W" and
 ;; "w" when it loads, but only if they are not already defined.  This
-;; behaviour is controlled by the user option `woman-dired-keys'.
+;; behavior is controlled by the user option `woman-dired-keys'.
 ;; Note that the `dired-x' (dired extra) package binds
 ;; `dired-copy-filename-as-kill' to the key "w" (as pointed out by Jim
 ;; Davidson), although "W" appears to be really unused.  The `dired-x'
diff --git a/nt/cmdproxy.c b/nt/cmdproxy.c
index edf7b364671..b78bdd994f3 100644
--- a/nt/cmdproxy.c
+++ b/nt/cmdproxy.c
@@ -341,7 +341,7 @@ console_event_handler (DWORD event)
     case CTRL_BREAK_EVENT:
       if (!interactive)
         {
-          /* Both command.com and cmd.exe have the annoying behaviour of
+          /* Both command.com and cmd.exe have the annoying behavior of
              prompting "Terminate batch job (y/n)?" when interrupted
              while running a batch file, even if running in
              non-interactive (-c) mode.  Try to make up for this
diff --git a/src/ChangeLog.10 b/src/ChangeLog.10
index e166cdeb3e4..76029bd44fc 100644
--- a/src/ChangeLog.10
+++ b/src/ChangeLog.10
@@ -5561,7 +5561,7 @@
 
 2006-01-26  Lőrentey Károly  <lorentey@elte.hu>
 
-        * editfns.c (Fconstrain_to_field): Fix behaviour on field boundaries.
+        * editfns.c (Fconstrain_to_field): Fix behavior on field boundaries.
         (find_field): Set before_field to after_field when pos is at BEGV.
         (Fline_beginning_position, Fline_end_position):
         Clarify confusing doc string.
@@ -11188,7 +11188,7 @@
 
 2004-12-23  Jason Rumney  <jasonr@gnu.org>
 
-        * image.c (__WIN32__) [HAVE_NTGUI]: Define for correct behaviour
+        * image.c (__WIN32__) [HAVE_NTGUI]: Define for correct behavior
         of JPEG library.
 
 2004-12-22  Richard M. Stallman  <rms@gnu.org>
@@ -16570,7 +16570,7 @@
         Use non-text cursor when mouse pointer is outside editable text,
         i.e. in the void after end-of-line or end-of-buffer; this was
         already done for W32, but is now standard for all systems --
-        user can toggle show-text-cursor-in-void to get old behaviour.
+        user can toggle show-text-cursor-in-void to get old behavior.
         (syms_of_xdisp): DEFVAR_LISP Vshow_text_cursor_in_void and
         Vdisplay_pixels_per_inch.
 
@@ -20827,7 +20827,7 @@
 2003-01-13  Francesco Potortì  <pot@gnu.org>
 
         * fileio.c (Fdelete_directory, Fdelete_file): Document the
-        behaviour in front of symlinks.
+        behavior in front of symlinks.
         (Fdelete_file): Raise an error on directories.
 
 2003-01-13  Dave Love  <fx@gnu.org>
diff --git a/src/ChangeLog.3 b/src/ChangeLog.3
index be24f9c8b05..fbd3dfc8696 100644
--- a/src/ChangeLog.3
+++ b/src/ChangeLog.3
@@ -12709,7 +12709,7 @@
         free_screen_glyphs now takes screen argument.
 
         * window.c (Fnext_window, Fprevious_window): Fixed typo.  New
-        behaviour: mini non-nil implies all_screens if global mini screen
+        behavior: mini non-nil implies all_screens if global mini screen
         exists, implies current screen only if not.
         (Fdisplay_buffer): Simplification of multi-screen code.
 
diff --git a/src/ChangeLog.4 b/src/ChangeLog.4
index b83aa2d06ae..826e5e406df 100644
--- a/src/ChangeLog.4
+++ b/src/ChangeLog.4
@@ -4274,7 +4274,7 @@
 
         * systty.h (EMACS_GETPGRP): New macro hides argument passing to
         system getpgrp.  Reinstate some semblance of control over this
-        macros behaviour by paying attention to GETPGRP_NO_ARG.
+        macros behavior by paying attention to GETPGRP_NO_ARG.
         * sysdep.c (sys_suspend): Use EMACS_GETPGRP macro.
         * emacs.c (main): Use EMACS_GETPGRP macro.
         (shut_down_emacs): Use EMACS_GETPGRP macro.
diff --git a/src/ChangeLog.6 b/src/ChangeLog.6
index bc97cd8464a..ce56be659a9 100644
--- a/src/ChangeLog.6
+++ b/src/ChangeLog.6
@@ -1578,7 +1578,7 @@
 
         * msdos.c (check_timer): Removed; use gettime instead.
         (sys_select): Call __dpmi_yield while waiting for input to
-        improve multitasking behaviour.
+        improve multitasking behavior.
         Do not check timer when no timeout.
 
 1996-04-16  Richard Stallman  <rms@mole.gnu.ai.mit.edu>
diff --git a/src/ChangeLog.7 b/src/ChangeLog.7
index 8e5f480523d..f02d38459e4 100644
--- a/src/ChangeLog.7
+++ b/src/ChangeLog.7
@@ -124,7 +124,7 @@
 
 1998-08-13  Andrew Innes  <andrewi@harlequin.co.uk>
 
-        * w32.c (stat): Fall-back to default behaviour when we cannot get
+        * w32.c (stat): Fall-back to default behavior when we cannot get
         accurate information on file attributes.
 
 1998-08-12  Richard Stallman  <rms@psilocin.ai.mit.edu>
@@ -3309,17 +3309,17 @@
 
 1998-02-19  Kenichi Handa  <handa@etl.go.jp>
 
-        * buffer.c (advance_to_char_boundary): Make the behaviour
+        * buffer.c (advance_to_char_boundary): Make the behavior
         consistent with INC_POS.
 
         * ccl.c (Fccl_execute_on_string): Add new arg UNIBYTE-P.
 
         * charset.h (INC_POS): Use macro BASE_LEADING_CODE_P.
-        (DEC_POS): Make the behaviour consistent with INC_POS.
+        (DEC_POS): Make the behavior consistent with INC_POS.
         (BUF_INC_POS, BUF_DEC_POS): Likewise.
 
         * charset.c (invalid_character): New function.
-        (chars_in_text): Make the behaviour consistent with INC_POS.
+        (chars_in_text): Make the behavior consistent with INC_POS.
         (multibyte_chars_in_text): Likewise.
         (str_cmpchar_id): Likewise.
         (non_ascii_char_to_string): Call invalid_character.
@@ -3368,7 +3368,7 @@
         * search.c (search_buffer): Update POS_BYTE for regexp search.
 
         * xdisp.c (display_text_line): Handling of a wide-column character
-        fixed.  Make the behaviour consistent with INC_POS.
+        fixed.  Make the behavior consistent with INC_POS.
 
 1998-02-18  Richard Stallman  <rms@gnu.org>
 
diff --git a/src/lread.c b/src/lread.c
index 9e543f88fae..6415448c0bc 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -2034,7 +2034,7 @@ read_escape (readcharfun, stringp)
 {
   register int c = READCHAR;
   /* \u allows up to four hex digits, \U up to eight. Default to the
-     behaviour for \u, and change this value in the case that \U is seen. */
+     behavior for \u, and change this value in the case that \U is seen. */
   int unicode_hex_count = 4;
 
   switch (c)
diff --git a/src/w32.c b/src/w32.c
index a9f50139ea2..650c3d6beee 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -1265,7 +1265,7 @@ init_environment (char ** argv)
           profile_result = get_folder_path (NULL, CSIDL_APPDATA, NULL,
                                             0, default_home);
 
-          /* If we can't get the appdata dir, revert to old behaviour.  */
+          /* If we can't get the appdata dir, revert to old behavior.  */
           if (profile_result == S_OK)
             env_vars[0].def_value = default_home;
         }
@@ -2514,7 +2514,7 @@ sys_rename (const char * oldname, const char * newname)
         return -1;
     }
 
-  /* Emulate Unix behaviour - newname is deleted if it already exists
+  /* Emulate Unix behavior - newname is deleted if it already exists
      (at least if it is a file; don't do this for directories).
 
      Since we mustn't do this if we are just changing the case of the
diff --git a/src/w32fns.c b/src/w32fns.c
index 9a22601dbd4..df229789d55 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -6841,7 +6841,7 @@ Value is t if tooltip was open, nil otherwise.  */)
  ***********************************************************************/
 extern Lisp_Object Qfile_name_history;
 
-/* Callback for altering the behaviour of the Open File dialog.
+/* Callback for altering the behavior of the Open File dialog.
    Makes the Filename text field contain "Current Directory" and be
    read-only when "Directories" is selected in the filter.  This
    allows us to work around the fact that the standard Open File
diff --git a/src/w32inevt.c b/src/w32inevt.c
index 460565d61c5..54d958f1667 100644
--- a/src/w32inevt.c
+++ b/src/w32inevt.c
@@ -154,7 +154,7 @@ w32_kbd_mods_to_emacs (DWORD mods, WORD key)
   if (mods & SCROLLLOCK_ON)
     retval |= w32_key_to_modifier (VK_SCROLL);
 
-  /* Just in case someone wanted the original behaviour, make it
+  /* Just in case someone wanted the original behavior, make it
      optional by setting w32-capslock-is-shiftlock to t.  */
   if (NILP (Vw32_capslock_is_shiftlock)
       /* Keys that should _not_ be affected by CapsLock.  */
diff --git a/src/w32proc.c b/src/w32proc.c
index 91722df87ae..33981445c7c 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -71,7 +71,7 @@ extern BOOL WINAPI IsValidLocale(LCID, DWORD);
 
 /* Control whether spawnve quotes arguments as necessary to ensure
    correct parsing by child process.  Because not all uses of spawnve
-   are careful about constructing argv arrays, we make this behaviour
+   are careful about constructing argv arrays, we make this behavior
    conditional (off by default). */
 Lisp_Object Vw32_quote_process_args;
 
@@ -973,7 +973,7 @@ sys_spawnve (int mode, char *cmdname, char **argv, char **envp)
 #if 0
           /* This version does not escape quotes if they occur at the
              beginning or end of the arg - this could lead to incorrect
-             behaviour when the arg itself represents a command line
+             behavior when the arg itself represents a command line
              containing quoted args.  I believe this was originally done
              as a hack to make some things work, before
              `w32-quote-process-args' was added.  */
diff --git a/src/w32term.c b/src/w32term.c
index 28861eea902..52c78b0558a 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -5401,7 +5401,7 @@ x_set_window_size (f, change_gravity, cols, rows)
      resize will happen asynchronously. But on Windows, the menu bar
      automatically wraps when the frame is too narrow to contain it,
      and that causes any calculations made here to come out wrong. The
-     end is some nasty buggy behaviour, including the potential loss
+     end is some nasty buggy behavior, including the potential loss
      of the minibuffer.
 
      Disabling this code is either not sufficient to fix the problems
@@ -5524,9 +5524,9 @@ x_raise_frame (f)
   BLOCK_INPUT;
 
   /* Strictly speaking, raise-frame should only change the frame's Z
-     order, leaving input focus unchanged.  This is reasonable behaviour
+     order, leaving input focus unchanged.  This is reasonable behavior
      on X where the usual policy is point-to-focus.  However, this
-     behaviour would be very odd on Windows where the usual policy is
+     behavior would be very odd on Windows where the usual policy is
      click-to-focus.
 
      On X, if the mouse happens to be over the raised frame, it gets