Clarify doc of isearch-wrap-function

* lisp/isearch.el (isearch-wrap-function): Doc clarification
(bug#28388).

diff --git a/lisp/isearch.el b/lisp/isearch.el
index 1aea539e735aa787deace9907b68623b181aaf25..97c75b2978b5be07f515ddaca70f542f35e1c82b 100644 (file)
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -193,8 +193,11 @@ If nil, use function `isearch-message'.")
 
 (defvar isearch-wrap-function nil
   "Function to call to wrap the search when search is failed.
-If nil, move point to the beginning of the buffer for a forward search,
-or to the end of the buffer for a backward search.")
+The function is called with no parameters, and would typically
+move point.
+
+If nil, move point to the beginning of the buffer for a forward
+search, or to the end of the buffer for a backward search.")
 
 (defvar isearch-push-state-function nil
   "Function to save a function restoring the mode-specific Isearch state