8 files changed, 13 insertions, 13 deletions
diff --git a/lisp/gnus/gmm-utils.el b/lisp/gnus/gmm-utils.el
index d7e3c344b0e..71a0662f35a 100644
--- a/lisp/gnus/gmm-utils.el
+++ b/lisp/gnus/gmm-utils.el
@@ -79,7 +79,7 @@ ARGS are passed to `message'."
 
 ;;;###autoload
 (defun gmm-widget-p (symbol)
-  "Non-nil iff SYMBOL is a widget."
+  "Non-nil if SYMBOL is a widget."
   (get symbol 'widget-type))
 
 ;; Copy of the `nnmail-lazy' code from `nnmail.el':
diff --git a/lisp/gnus/gnus-async.el b/lisp/gnus/gnus-async.el
index 3493d51950d..a06724855c5 100644
--- a/lisp/gnus/gnus-async.el
+++ b/lisp/gnus/gnus-async.el
@@ -320,7 +320,7 @@ It should return non-nil if the article is to be prefetched."
 	  (pop alist))))))
 
 (defun gnus-async-prefetched-article-entry (group article)
-  "Return the entry for ARTICLE in GROUP iff it has been prefetched."
+  "Return the entry for ARTICLE in GROUP if it has been prefetched."
   (let ((entry (save-excursion
 		 (gnus-async-set-buffer)
 		 (assq (intern (format "%s-%d" group article)
diff --git a/lisp/gnus/gnus-msg.el b/lisp/gnus/gnus-msg.el
index c9aedab7019..f8e4a7a67d0 100644
--- a/lisp/gnus/gnus-msg.el
+++ b/lisp/gnus/gnus-msg.el
@@ -260,15 +260,15 @@ See also the `mml-default-encrypt-method' variable."
 This is done because new users often reply by mistake when reading
 news.
 This can also be a function receiving the group name as the only
-parameter which should return non-nil iff a confirmation is needed, or
-a regexp, in which case a confirmation is asked for iff the group name
+parameter, which should return non-nil if a confirmation is needed; or
+a regexp, in which case a confirmation is asked for if the group name
 matches the regexp."
   :version "22.1"
   :group 'gnus-message
   :type '(choice (const :tag "No" nil)
 		 (const :tag "Yes" t)
-		 (regexp :tag "Iff group matches regexp")
-		 (function :tag "Iff function evaluates to non-nil")))
+		 (regexp :tag "If group matches regexp")
+		 (function :tag "If function evaluates to non-nil")))
 
 (defcustom gnus-confirm-treat-mail-like-news
   nil
diff --git a/lisp/gnus/gnus-score.el b/lisp/gnus/gnus-score.el
index e833c8ccc6a..f7ba9222937 100644
--- a/lisp/gnus/gnus-score.el
+++ b/lisp/gnus/gnus-score.el
@@ -381,7 +381,7 @@ If nil, the user will be asked for a match type."
 		 (const :tag "ask" nil)))
 
 (defcustom gnus-score-default-fold nil
-  "Use case folding for new score file entries iff not nil."
+  "Non-nil means use case folding for new score file entries."
   :group 'gnus-score-default
   :type 'boolean)
 
diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index d065acd75ea..74aacdd2860 100644
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1108,7 +1108,7 @@ Return the modified alist."
     `(setq ,alist (delq (,fun ,key ,alist) ,alist))))
 
 (defun gnus-globalify-regexp (re)
-  "Return a regexp that matches a whole line, iff RE matches a part of it."
+  "Return a regexp that matches a whole line, if RE matches a part of it."
   (concat (unless (string-match "^\\^" re) "^.*")
 	  re
 	  (unless (string-match "\\$$" re) ".*$")))
diff --git a/lisp/gnus/imap.el b/lisp/gnus/imap.el
index abe1c7e1c9e..f60801e9ba8 100644
--- a/lisp/gnus/imap.el
+++ b/lisp/gnus/imap.el
@@ -1581,7 +1581,7 @@ is non-nil return these properties."
 	(imap-mailbox-get-1 'search imap-current-mailbox)))))
 
 (defun imap-message-flag-permanent-p (flag &optional mailbox buffer)
-  "Return t iff FLAG can be permanently (between IMAP sessions) saved on articles, in MAILBOX on server in BUFFER."
+  "Return t if FLAG can be permanently (between IMAP sessions) saved on articles, in MAILBOX on server in BUFFER."
   (with-current-buffer (or buffer (current-buffer))
     (or (member "\\*" (imap-mailbox-get 'permanentflags mailbox))
 	(member flag (imap-mailbox-get 'permanentflags mailbox)))))
diff --git a/lisp/gnus/mailcap.el b/lisp/gnus/mailcap.el
index 422b99d0e0f..e8b624aa546 100644
--- a/lisp/gnus/mailcap.el
+++ b/lisp/gnus/mailcap.el
@@ -538,7 +538,7 @@ MAILCAPS if set; otherwise (on Unix) use the path from RFC 1524, plus
       results)))
 
 (defun mailcap-mailcap-entry-passes-test (info)
-  "Return non-nil iff mailcap entry INFO passes its test clause.
+  "Return non-nil if mailcap entry INFO passes its test clause.
 Also return non-nil if no test clause is present."
   (let ((test (assq 'test info))	; The test clause
 	status)
@@ -631,7 +631,7 @@ Also return non-nil if no test clause is present."
 (defvar mailcap-viewer-test-cache nil)
 
 (defun mailcap-viewer-passes-test (viewer-info type-info)
-  "Return non-nil iff viewer specified by VIEWER-INFO passes its test clause.
+  "Return non-nil if viewer specified by VIEWER-INFO passes its test clause.
 Also return non-nil if it has no test clause.  TYPE-INFO is an argument
 to supply to the test."
   (let* ((test-info (assq 'test viewer-info))
@@ -704,7 +704,7 @@ If TEST is not given, it defaults to t."
 ;;;
 
 (defun mailcap-viewer-lessp (x y)
-  "Return t iff viewer X is more desirable than viewer Y."
+  "Return t if viewer X is more desirable than viewer Y."
   (let ((x-wild (string-match "[*?]" (or (cdr-safe (assq 'type x)) "")))
 	(y-wild (string-match "[*?]" (or (cdr-safe (assq 'type y)) "")))
 	(x-lisp (not (stringp (or (cdr-safe (assq 'viewer x)) ""))))
diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 235039c3ee9..ba23280658a 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -1645,7 +1645,7 @@ be used in a STORE FLAGS command."
       result)))
 
 (defun nnimap-mark-permanent-p (mark &optional group)
-  "Return t iff MARK can be permanently (between IMAP sessions) saved on articles, in GROUP."
+  "Return t if MARK can be permanently (between IMAP sessions) saved on articles, in GROUP."
   (imap-message-flag-permanent-p (nnimap-mark-to-flag mark)))
 
 (when nnimap-debug