diff options
-rw-r--r-- | lisp/replace.el | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/replace.el b/lisp/replace.el index 0cb0f0486c5..24411f4739f 100644 --- a/lisp/replace.el +++ b/lisp/replace.el @@ -148,7 +148,9 @@ This function is usually the wrong thing to use in a Lisp program. What you probably want is a loop like this: (while (search-forward FROM-STRING nil t) (replace-match TO-STRING nil t)) -which will run faster and will not set the mark or print anything." +which will run faster and will not set the mark or print anything. +\(You may need a more complex loop if FROM-STRING can match the null string +and TO-STRING is also null.)" (interactive (query-replace-read-args "Replace string" nil)) (perform-replace from-string to-string nil nil delimited)) |