Replace `iff' in doc-strings and comments.

diff --git a/lisp/mail/mspools.el b/lisp/mail/mspools.el
index d14be55735f6b412811430915e80a11a49531e91..988ce2f8e0204dcf1109a92455db9090cc6b0d32 100644 (file)
--- a/lisp/mail/mspools.el
+++ b/lisp/mail/mspools.el
@@ -398,7 +398,7 @@ nil."
     ))
 
 (defun mspools-size-folder (spool)
-  "Return (SPOOL . SIZE ) iff SIZE of spool file is non-zero."
+  "Return (SPOOL . SIZE ), if SIZE of spool file is non-zero."
   ;; 7th file attribute is the size of the file in bytes.
   (let ((file (concat mspools-folder-directory spool))
        size)

diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 37a0533acc916b19f1f9e57658be5f4ebbd11eb0..ee990f2fdd3ac3b8700bdaa1acd2a58c6e4f5c0f 100644 (file)
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -3992,13 +3992,13 @@ specifying headers which should not be copied into the new message."
            (mail-position-on-field (if resending "Resent-To" "To") t))))))
 \f
 (defun rmail-summary-exists ()
-  "Non-nil iff in an RMAIL buffer and an associated summary buffer exists.
+  "Non-nil if in an RMAIL buffer and an associated summary buffer exists.
 In fact, the non-nil value returned is the summary buffer itself."
   (and rmail-summary-buffer (buffer-name rmail-summary-buffer)
        rmail-summary-buffer))
 
 (defun rmail-summary-displayed ()
-  "t iff in RMAIL buffer and an associated summary buffer is displayed."
+  "t if in RMAIL buffer and an associated summary buffer is displayed."
   (and rmail-summary-buffer (get-buffer-window rmail-summary-buffer)))
 
 (defcustom rmail-redisplay-summary nil