Comment 4 for bug 813829

Correction: wrong path ID copy&pasted in previous comment: the trigger appears to be the 'V' path command:

Bug exposed:

      <path
         d="M 158.597550 300.876164 V 447.964177"
         marker-start="url(#Arrow1Lstart)"
         marker-end="url(#Arrow1Lend)"
         stroke-width="1"
         id="path3109" />

Rendering of marker ok (relative path commands):

      <path
         d="m 158.59755,300.87616 0,147.08802"
         marker-start="url(#Arrow1Lstart)"
         marker-end="url(#Arrow1Lend)"
         stroke-width="1"
         id="path3109" />

Rendering of marker ok (absolut path commands):

      <path
         d="M 158.59755,300.87616 158.59755,447.96418"
         marker-start="url(#Arrow1Lstart)"
         marker-end="url(#Arrow1Lend)"
         stroke-width="1"
         id="path3109" />