Use case or problem
The underscore character is used for subscripts in LaTeX expressions. Sometimes Obsidian errantly pairs the underscore with a second underscore, as if it were Markdown.
Disable markdown pairing within inline LaTeX, or block LaTeX. E.g.
Within a sentence $x_a=1$, or in a block:
Related feature requests
This has been mentioned a couple of times here on the forum, but I don’t see a feature request.