Path Markup Syntax

Taken from:  http://msdn.microsoft.com/en-us/library/ms752293.aspx

M= Start point

L = Creates a line to this end point

H = Creates a horizontal line between the current point and the specified x-coordinate. H 90 is an example of a valid horizontal line command.

V = Creates a vertical line between the current point and the specified y-coordinate. v 90 is an example of a valid vertical line command.

Z = Close