nl_tokens: / * ------- util functions -------
pl_tokens: function merge ( /* ...objects */ ) { var k , obj var res = { } var objs = Array . prototype . slice . call ( arguments ) for ( var i = 0 , l = objs . length ; i < l ; i ++ ) { obj = objs [ i ] for ( k <mask> obj ) { if ( obj . hasOwnProperty ( k ) ) { res [ k ] = obj [ k ] } } } return res }