Output attribute old value in the debug print

2015-09-25 15:10:19 +09:00 · 2015-09-25 15:10:19 +09:00 · f42c8c14bd
commit f42c8c14bd
parent af4c15f08d
1 changed files with 1 additions and 0 deletions
--- a/modules/browserUIShowHideObserver.js
+++ b/modules/browserUIShowHideObserver.js
@ -63,6 +63,7 @@ BrowserUIShowHideObserver.prototype = {
 			childList       : true,
 			attributes      : true,
 			subtree         : true,
+			attributeOldValue: DEBUG,
 			attributeFilter : [
 				'hidden',
 				'collapsed',