nl_tokens: Add an individual region to the region manager and return the region instance
pl_tokens: function ( <mask> , definition ) { var region ; if ( definition instanceof Marionette . Region ) { region = definition ; } else { region = Marionette . Region . buildRegion ( definition , Marionette . Region ) ; } this . triggerMethod ( 'before:add:region' , name , region ) ; region . _parent = this ; this . _store ( name , region ) ; this . triggerMethod ( 'add:region' , name , region ) ; return region ; }