nl_tokens: Convert centered : true key into concrete left and top arguments Both can be overwritten
pl_tokens: function optionsResolveCentered ( options ) { var result = options ; var width = window . outerWidth - options . width ; var height = window . outerHeight - options . height ; if ( options . centered ) { result . left = options . left || Math . round ( window . screenX + width / 2 ) ; result . top = options . top || Math . round ( window . screenY + <mask> / 2.5 ) ; delete result . centered ; } return result ; }