jupiterjs/canjs — pull request #112 by iamnoah (2012-09-27 14:00:01+00:00)
Title: fix bind('list.length') - make length event bubble

See http://jsbin.com/ikewoy/4/edit

Trying to bind the length of a nested list does not work because length does not bubble. I don't know why length is special, but this patch makes it behave like any other attribute.