From 89eec57d0642d69fab3c1f709ea408d6776ddaad Mon Sep 17 00:00:00 2001
From: "Suraj N. Kurapati" <sunaku@gmail.com>
Date: Sun, 26 Jun 2011 11:21:26 -0700
Subject: [PATCH] clean up shell programming style to fit ZSH

---
 history-substring-search.zsh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/history-substring-search.zsh b/history-substring-search.zsh
index d385947..69f2e58 100644
--- a/history-substring-search.zsh
+++ b/history-substring-search.zsh
@@ -125,7 +125,7 @@ if [[ $+functions[_zsh_highlight] -eq 0 ]]; then
   # inserts printable characters into $BUFFER
   #
   function ordinary-key-press() {
-    if [[ $KEYS = [[:print:]] ]]; then
+    if [[ $KEYS == [[:print:]] ]]; then
       region_highlight=()
     fi
     zle .self-insert
@@ -357,7 +357,7 @@ _history-substring-search-up-history() {
 
     # we have reached the absolute top of history
     if [[ $HISTNO -eq 1 ]]; then
-      BUFFER=''
+      BUFFER=
 
     # going up from somewhere below the top of history
     else