max-favilli/tagmanager — pull request #208 by KreizIT (2014-04-04 14:51:15+00:00)
Title: Make event "pushing" cancelable.

Give user's ability to cancel event so stop pushing by setting cancel property to false.
Object control contain also tag and tagId.
Exemple of use :
$( ".tm-input" ).on( "tm:pushing", function( event,control ) {
if (control.tag == "bad value") {
control.cancel=true;
}
});