umbraco/Umbraco-CMS — pull request #235 by OptimisticCoder (2013-11-07 20:47:11+00:00)
Title: U4-510 Copy node makes multiple copies

U4-510 Copy node makes multiple copies
Added disable on click script to button.
Had to add UseSubmitBehaviour attribute, due to postback issue.
http://stackoverflow.com/questions/840742/disable-a-button-on-click