fixed small issue that could occur with wrong evaluated parameters

bitcloud · bitcloud · commit 5c75ba9468b3 · 2013-02-08T16:17:24.000+01:00
diff --git a/lib/layouts.js b/lib/layouts.js
@@ -236,7 +236,7 @@ function patternLayout (pattern, tokens) {
 		    replacement = "%";
 		    break;
 		case "x":
-			if(tokens[specifier]) {
+			if(typeof(tokens[specifier]) !== 'undefined') {
 				if(typeof(tokens[specifier]) === 'function') {
 					replacement = tokens[specifier]();
 				} else {
