American English spelling fix.

42 files changed, 67 insertions, 67 deletions

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'