nl_tokens: Creates a control of specified type .
pl_tokens: function ( type ) { var ctl = { <mask> : type } ; var idx = this . form . controls . length ; var id = this . form . signature + ':' + idx ; ctl . id = 'c-' + utils . sha256 ( id ) . substring ( 0 , 8 ) ; this . form . controls . push ( ctl ) ; return ctl ; }