nl_tokens: Overrided in dom . js
pl_tokens: function ( elt , name , <mask> ) { /*#if DEV*/ if ( elt . nodeType !== NodeTypes . ELEMENT ) throw new Error ( 'setAttr not allowed on non-element nodes' ) ; /*#/if*/ value === null ? elt . removeAttribute ( name ) : elt . setAttribute ( name , value ) ; }