From f7c766fb9ee44455dcb5d40995d952f501ecf8d2 Mon Sep 17 00:00:00 2001
From: Hamilton Turner <hamiltont@gmail.com>
Date: Fri, 6 Jun 2014 01:39:51 -0400
Subject: [PATCH] Fixed wd plugin bug on zsh <= 4.3.10

See http://www.zsh.org/mla/workers/2014/msg00501.html for details.
At time of writing, some RedHat and CentOS still have 4.3.10 as
the most up-to-date zsh in their package managers, so this should
allow wd to work on those systems properly.
---
 plugins/wd/wd.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/wd/wd.sh b/plugins/wd/wd.sh
index 96a3426fc..f1ed76fe3 100755
--- a/plugins/wd/wd.sh
+++ b/plugins/wd/wd.sh
@@ -64,9 +64,9 @@ wd_warp()
 
 wd_add()
 {
-    if [[ $2 =~ "^\.+$" || $2 =~ "^\s*$" ]]
+    if [[ $2 -regex-match "^\.+$" || $2 -regex-match "^\s*$" ]]
     then
-        wd_print_msg $RED "Illegal warp point (see README)."
+	wd_print_msg $RED "Warp point name cannot be just dots or spaces"
     elif [[ ${points[$2]} == "" ]] || $1
     then
         wd_remove $2 > /dev/null