Support SVG2 orient="auto-start-reverse"

[yisibl]

• Doc: https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/orient
• Test case:

<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <!-- arrowhead marker definition -->
    <marker id="arrow" viewBox="0 0 10 10" refX="5" refY="5"
        markerWidth="6" markerHeight="6"
        orient="auto-start-reverse">
      <path d="M 0 0 L 10 5 L 0 10 z" />
    </marker>
  </defs>

  <!-- Coordinate axes with a arrowhead in both direction -->
  <polyline points="10,10 10,90 90,90" fill="none" stroke="black"
   marker-start="url(#arrow)" marker-end="url(#arrow)"  />
</svg>

[yisibl]

librsvg 2.51.3 https://gitlab.gnome.org/GNOME/librsvg/-/issues/484

[RazrFalcon]

Why are you posting this?

[yisibl]

It's just a mark, if it disturbs you, I can delete it.

[RazrFalcon]

I'm not saying you should delete, but do not post it anymore.

[taylorh140]

Is there any updates on this?

[RazrFalcon]

It will be done when it will be done.