Last modified: 2014-03-24 01:31:35 UTC
http://www.w3.org/TR/2003/REC-SVG11-20030114/painting.html#MarkerProperty No known upstream ticket of this issue yet.
Upstreamed as https://bugzilla.gnome.org/show_bug.cgi?id=686953
Another clear example: https://de.wikibooks.org/wiki/Datei:SVGmarker04.svg