diff options
Diffstat (limited to 'lisp/simple.el')
| -rw-r--r-- | lisp/simple.el | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/simple.el b/lisp/simple.el index a2f21465fad..a91f2a5f0fb 100644 --- a/lisp/simple.el +++ b/lisp/simple.el @@ -4239,7 +4239,7 @@ The variable `selective-display' has a separate value for each buffer." (defvaralias 'indicate-unused-lines 'indicate-empty-lines) (defvaralias 'default-indicate-unused-lines 'default-indicate-empty-lines) -(defun toggle-truncate-lines (arg) +(defun toggle-truncate-lines (&optional arg) "Toggle whether to fold or truncate long lines on the screen. With arg, truncate long lines iff arg is positive. Note that in side-by-side windows, truncation is always enabled." |