As promised, I gave the embedded Mermaid support a try:
Mermaid musings: simple graphs of actors
As someone who has used DOT extensively over a few decades, I’m not pleased with Mermaid’s limitations (details upon request :-/). However, I was able to create some simple diagrams with relatively little pain.
I’d like to be able to see the “source code” for forum postings, both for my own edification and the possible generation of bug reports. It appears that there is a “Raw Post Button” theme component that allows this. Could you look into setting it up?
Raw Post Button will add a button to the post menu. When you click the button, you’ll get a modal / popover with the raw (markdown) version of the post.