nl_tokens: draw a horizontal line from the time offsets start to end with attrs . If start or end isn t set use the left and right margins respectively . y_adj can be used to adjust y .
pl_tokens: function ( <mask> , end , y_adj , attrs ) { var start_x = time_x ( start ) || margin [ 3 ] ; var end_x = time_x ( end ) || ui . w - margin [ 1 ] ; var y = ui . y + y_adj ; var e = paper . path ( "M" + start_x + "," + y + " " + "L" + end_x + "," + y ) . attr ( attrs || { } ) ; return e ; }