diff -r 6fd9177eb6da -r 3af1d1c0ceb5 MYKeychainItem.m
--- a/MYKeychainItem.m	Sun Apr 19 00:01:41 2009 -0700
+++ b/MYKeychainItem.m	Sun Apr 19 21:19:35 2009 -0700
@@ -97,8 +97,10 @@
     err = SecItemDelete(self.asQuery);
 #else
     err = SecKeychainItemDelete((SecKeychainItemRef)_itemRef);
+    if (err==errSecInvalidItemRef)
+        return YES;     // result for an item that's not in a keychain
 #endif
-    return err==errSecItemNotFound || err==errSecInvalidItemRef || check(err, @"SecKeychainItemDelete");
+    return err==errSecItemNotFound || check(err, @"SecKeychainItemDelete");
 }
 
 
@@ -225,3 +227,27 @@
         return YES;
 }
 #endif
+
+
+
+/*
+ Copyright (c) 2009, Jens Alfke <jens@mooseyard.com>. All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without modification, are permitted
+ provided that the following conditions are met:
+ 
+ * Redistributions of source code must retain the above copyright notice, this list of conditions
+ and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
+ and the following disclaimer in the documentation and/or other materials provided with the
+ distribution.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
+ BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
+ THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */