<?xml version="1.0" standalone="no"?>
<svg xmlns="http://www.w3.org/2000/svg" width="350" height="50">
<g transform="translate(10,0) scale(4)">
<path stroke="red" d="M.5,.5h38.5h.5v9H.5z" stroke-width="1" fill="#FFF"/>
<!-- 
  Top line of above rectangle should be precicesly covered by the 
  following line. Instead of starting at (0.5,0.5), the path starts
  at (0,0) with librsvg.
-->
<path stroke="black" d="M0,.5H40"/>
<!--
  Note that in the above path, M0,.5 is interpreted correctly by librsvg.
  The horizontal coordinate of the right rectangle edge should be 39, but
  it falsely is 78, as is shown by the following line (subtract half a 
  line width from 78.5):
-->
<path stroke="black" d="M0,4.5H78.5"/>
</g>
</svg>
