From 2372daa7550672db3484be91c401ceb76f892a82 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Tue, 18 Aug 2015 10:44:46 +0100
Subject: 36216: Simpler handling of UNDO_LIMIT_NO

---
 Doc/Zsh/zle.yo | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'Doc/Zsh/zle.yo')

diff --git a/Doc/Zsh/zle.yo b/Doc/Zsh/zle.yo
index 697b636d8..c06e2260e 100644
--- a/Doc/Zsh/zle.yo
+++ b/Doc/Zsh/zle.yo
@@ -971,14 +971,12 @@ to use `tt(zle undo) var(change)' in a widget to undo beyond
 that point; in that case, it will not be possible to undo at
 all until tt(UNDO_LIMIT_NO) is reduced.  Set to 0 to disable the limit.
 
-A typical use of this variable in a widget function is as follows:
+A typical use of this variable in a widget function is as follows (note
+the additional function scope is required):
 
-example(integer save_limit=$UNDO_LIMIT_NO
-UNDO_LIMIT_NO=$UNDO_CHANGE_NO
-{
+example(LPAR()RPAR() {
+  local UNDO_LIMIT_NO=$UNDO_CHANGE_NO
   # Perform some form of recursive edit.
-} always {
-  UNDO_LIMIT_NO=save_limit
 })
 )
 vindex(WIDGET)
-- 
cgit 1.4.1