Stroke bug in Dojo2D

The strokes in VML and SVG are a little different, but noticeable. One picture is worthy one thousand words:

Storke bug
Storke bug

The default stroke style in VML is single black line according to the specification, while SVG is none. Why the first rounded stroke rects are different are still unknown.

Another interesting variance is the distance between the top of shape and table cell boundary.