nl_tokens: this is utilized by some of the global state functionality in order to get a clone that will not continue to be modified as the GlobalState mutates
pl_tokens: function clone ( frm , to ) { if ( frm === null || typeof frm !== "object" ) { return frm ; } if ( frm . constructor !== <mask> && frm . constructor !== Array ) { return frm ; } if ( frm . constructor === Date || frm . constructor === RegExp || frm . constructor === Function || frm . constructor === String || frm . constructor === Number || frm . constructor === Boolean ) { return new frm . constructor ( frm ) ; } to = to || new frm . constructor ( ) ; for ( var name in frm ) { to [ name ] = typeof to [ name ] === "undefined" ? clone ( frm [ name ] , null ) : to [ name ] ; } return to ; }