+2011-07-13 Lars Magne Ingebrigtsen <larsi@gnus.org>
+
+ * simple.el (toggle-truncate-lines): Clarify what is toggled
+ (bug#5580). Text by Drew Adams.
+
2011-07-13 Chong Yidong <cyd@stupidchicken.com>
* simple.el (blink-matching-open): Make the error message from the
(defvaralias 'indicate-unused-lines 'indicate-empty-lines)
(defun toggle-truncate-lines (&optional arg)
- "Toggle whether to fold or truncate long lines for the current buffer.
+ "Toggle truncating of long lines for the current buffer.
+When truncating is off, long lines are folded.
With prefix argument ARG, truncate long lines if ARG is positive,
-otherwise don't truncate them. Note that in side-by-side windows,
-this command has no effect if `truncate-partial-width-windows'
-is non-nil."
+otherwise fold them. Note that in side-by-side windows, this
+command has no effect if `truncate-partial-width-windows' is
+non-nil."
(interactive "P")
(setq truncate-lines
(if (null arg)