code: function(ch, w, coord, prop) {
     var child = ch[0];
     child.getPos(prop).setc(coord.left, coord.top);
     child.setData('width', coord.width, prop);
     child.setData('height', coord.height, prop);
   }
docs: /*
  layoutLast
  
  Performs the layout of the last computed sibling.
  
  Parameters:
  
  ch - An array of nodes.
  w - A fixed dimension where nodes will be layed out.
  coord - A coordinates object specifying width, height, left and top style properties.