nl_tokens: Update the x0 y0 x1 and y1 for the sankeyCircular to allow space for any circular links
pl_tokens: function scaleSankeySize ( graph , margin ) { var maxColumn = max ( graph . nodes , function ( node ) { return node . column ; } ) ; var currentWidth = x1 - x0 ; var currentHeight = y1 - y0 ; var newWidth = currentWidth + margin . right + margin . left ; var newHeight = currentHeight + margin . <mask> + margin . bottom ; var scaleX = currentWidth / newWidth ; var scaleY = currentHeight / newHeight ; x0 = x0 * scaleX + margin . left ; x1 = margin . right == 0 ? x1 : x1 * scaleX ; y0 = y0 * scaleY + margin . top ; y1 = y1 * scaleY ; graph . nodes . forEach ( function ( node ) { node . x0 = x0 + node . column * ( ( x1 - x0 - dx ) / maxColumn ) ; node . x1 = node . x0 + dx ; } ) ; return scaleY ; }