<g stroke="rgb(0 0 0)" opacity="1.0" stroke-opacity="1.0"> swap_vert <g stroke="rgb(0 0 0)">

<tag>
  content-text
</tag> swap_vert <tag>content-text</tag>

<path d="M 12 34 L 56 78" /> swap_vert <path d="M12 34L56 78"/>

All settings in the Lines, Canvas, and Render tabs.

All settings in the UI tab.

All settings in the modal window accessed via the SVG textarea.