* minibuffer.el (completion-in-region): Document PREDICATE

(bug#7136).

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index cf520f5d21b..cd1ec32d077 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+        * minibuffer.el (completion-in-region): Document PREDICATE
+        (bug#7136).
+
         * info-look.el (info-lookup-add-help): Clarify that ARGS is a list
         of keyword/argument pairs (bug#6904).
 
diff --git a/lisp/minibuffer.el b/lisp/minibuffer.el
index 1700b90eb1e..d62b377954d 100644
--- a/lisp/minibuffer.el
+++ b/lisp/minibuffer.el
@@ -1442,7 +1442,9 @@ we entered `completion-in-region-mode'.")
 (defun completion-in-region (start end collection &optional predicate)
   "Complete the text between START and END using COLLECTION.
 Return nil if there is no valid completion, else t.
-Point needs to be somewhere between START and END."
+Point needs to be somewhere between START and END.
+PREDICATE (a function called with no arguments) says when to
+exit."
   (assert (<= start (point)) (<= (point) end))
   (with-wrapper-hook
       ;; FIXME: Maybe we should use this hook to provide a "display