From: Glenn Morris <rgm@gnu.org>
Date: Wed, 8 Aug 2007 07:24:27 +0000 (+0000)
Subject: Replace `iff' in doc-strings and comments.
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Replace `iff' in doc-strings and comments.
---

diff --git a/lisp/international/ja-dic-cnv.el b/lisp/international/ja-dic-cnv.el
index 5fa18221327..e7c9b633b3b 100644
--- a/lisp/international/ja-dic-cnv.el
+++ b/lisp/international/ja-dic-cnv.el
@@ -215,8 +215,8 @@
 ;; Return t if substring of STR (between FROM and TO) can be broken up
 ;; to chunks all of which can be derived from another entry in SKK
 ;; dictionary.  SKKBUF is the buffer where the original SKK dictionary
-;; is visited, KANA is the current entry for STR.  FIRST is t iff this
-;; is called at top level.
+;; is visited, KANA is the current entry for STR.  FIRST is t only if
+;; this is called at top level.
 
 (defun skkdic-breakup-string (skkbuf kana str from to &optional first)
   (let ((len (- to from)))
diff --git a/lisp/international/latin1-disp.el b/lisp/international/latin1-disp.el
index 515695bf503..ebeef71b0b7 100644
--- a/lisp/international/latin1-disp.el
+++ b/lisp/international/latin1-disp.el
@@ -777,9 +777,9 @@ use either \\[customize] or the function `latin1-display'."
   "Set up Latin-1/ASCII display for Unicode characters.
 This uses the transliterations of the Lynx browser.
 
-With argument ARG, turn such display on iff ARG is positive, otherwise
+With argument ARG, turn such display on if ARG is positive, otherwise
 turn it off and display Unicode characters literally.  The display
-is't changed if the display can render Unicode characters."
+isn't changed if the display can render Unicode characters."
   (interactive "p")
   (if (> arg 0)
       (unless (char-displayable-p
diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index 9501d5f7cc0..a858066f47c 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -445,11 +445,11 @@ non-nil, it is used to sort CODINGS instead."
 		    (let ((base (coding-system-base x)))
 		      ;; We calculate the priority number 0..255 by
 		      ;; using the 8 bits PMMLCEII as this:
-		      ;; P: 1 iff most preferred.
-		      ;; MM: greater than 0 iff mime-charset.
-		      ;; L: 1 iff one of the current lang. env.'s codings.
-		      ;; C: 1 iff one of codings listed in the category list.
-		      ;; E: 1 iff not XXX-with-esc
+		      ;; P: 1 if most preferred.
+		      ;; MM: greater than 0 if mime-charset.
+		      ;; L: 1 if one of the current lang. env.'s codings.
+		      ;; C: 1 if one of codings listed in the category list.
+		      ;; E: 1 if not XXX-with-esc
 		      ;; II: if iso-2022 based, 0..3, else 1.
 		      (logior
 		       (lsh (if (eq base most-preferred) 1 0) 7)
diff --git a/lisp/international/quail.el b/lisp/international/quail.el
index 774e3c14269..f9f497699a0 100644
--- a/lisp/international/quail.el
+++ b/lisp/international/quail.el
@@ -1942,7 +1942,7 @@ Remaining args are for FUNC."
       (overlay-put quail-overlay 'face 'highlight))))
 
 (defun quail-require-guidance-buf ()
-  "Return t iff the current Quail package requires showing guidance buffer."
+  "Return t if the current Quail package requires showing guidance buffer."
   (and input-method-verbose-flag
        (if (eq input-method-verbose-flag 'default)
 	   (not (and (eq (selected-window) (minibuffer-window))