From 086656241c3ccca377474bfea1cb269ac9a67d60 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Thu, 23 Mar 2017 09:35:20 +0000
Subject: 22601: Fix for parameter substitution pattern matches.

It was not possible to math against a zero-length string in
some cases.
---
 Test/D04parameter.ztst | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'Test')

diff --git a/Test/D04parameter.ztst b/Test/D04parameter.ztst
index cb9d50dc8..99f7dd91a 100644
--- a/Test/D04parameter.ztst
+++ b/Test/D04parameter.ztst
@@ -2148,3 +2148,13 @@ F:behavior, see http://austingroupbugs.net/view.php?id=888
     [[ ${-} = [[:alnum:]]## ]] || print Failed 2
   }
 0:$- expansion correctly handles Dash token
+
+  a=(1 "" 3)
+  print -rl -- "${(@)a//*/x}"
+  a=""
+  print -rl -- "${(@)a//*/y}"
+0:Zero-length string match in parameter substitution
+>x
+>x
+>x
+>y
-- 
cgit 1.4.1