ng-transclude as: element vs attribute

Question

I want to create a wrapper directive that would serve as the frame for a notification widget in a list. In that frame I want to transclude later some specific content based

Answer 1

Only recently (since this pull request) ngTransclude directive supports usage as element.

You are probably using angular with version < 1.3 where ngTransclude used as element is not supported - the primary reason for this being IE8 support.