From c5c4ab8eea7e058ef14f268d36ee7d4b88a7f97d Mon Sep 17 00:00:00 2001
From: "Suraj N. Kurapati" <sunaku@gmail.com>
Date: Wed, 21 Sep 2011 21:59:55 -0700
Subject: [PATCH] change options locally and restore them on return

---
 zsh-history-substring-search.zsh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zsh-history-substring-search.zsh b/zsh-history-substring-search.zsh
index 9c16030..3eaa1c9 100644
--- a/zsh-history-substring-search.zsh
+++ b/zsh-history-substring-search.zsh
@@ -79,7 +79,6 @@ bindkey '\e[B' history-substring-search-down
 # implementation details
 #-----------------------------------------------------------------------------
 
-setopt extendedglob
 zmodload -F zsh/parameter
 
 #
@@ -188,6 +187,8 @@ if [[ $+functions[_zsh_highlight] -eq 0 ]]; then
 fi
 
 function _history-substring-search-begin() {
+  setopt localoptions extendedglob
+
   _history_substring_search_move_cursor_eol=false
   _history_substring_search_query_highlight=