1 files changed, 6 insertions, 7 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 544cb2225cd..9ca11acfce8 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -407,7 +407,7 @@ comments and strings, or that point is within brackets/parens."
                     (error nil))))))))
 
 (defun python-comment-line-p ()
-  "Return non-nil iff current line has only a comment."
+  "Return non-nil if and only if current line has only a comment."
   (save-excursion
     (end-of-line)
     (when (eq 'comment (syntax-ppss-context (syntax-ppss)))
@@ -415,7 +415,7 @@ comments and strings, or that point is within brackets/parens."
       (looking-at (rx (or (syntax comment-start) line-end))))))
 
 (defun python-blank-line-p ()
-  "Return non-nil iff current line is blank."
+  "Return non-nil if and only if current line is blank."
   (save-excursion
     (beginning-of-line)
     (looking-at "\\s-*$")))
@@ -995,7 +995,7 @@ multi-line bracketed expressions."
   "Skip out of any nested brackets.
 Skip forward if FORWARD is non-nil, else backward.
 If SYNTAX is non-nil it is the state returned by `syntax-ppss' at point.
-Return non-nil iff skipping was done."
+Return non-nil if and only if skipping was done."
   (let ((depth (syntax-ppss-depth (or syntax (syntax-ppss))))
         (forward (if forward -1 1)))
     (unless (zerop depth)
@@ -1805,10 +1805,9 @@ This is a no-op if `python-check-comint-prompt' returns nil."
           (kill-local-variable 'python-preoutput-result))))))
 
 (defun python-check-comint-prompt (&optional proc)
-  "Return non-nil iff there's a normal prompt in the inferior buffer.
-If there isn't, it's probably not appropriate to send input to return
-Eldoc information etc.  If PROC is non-nil, check the buffer for that
-process."
+  "Return non-nil if and only if there's a normal prompt in the inferior buffer.
+If there isn't, it's probably not appropriate to send input to return Eldoc
+information etc.  If PROC is non-nil, check the buffer for that process."
   (with-current-buffer (process-buffer (or proc (python-proc)))
     (save-excursion
       (save-match-data (re-search-backward ">>> \\=" nil t)))))