[Kiro]

I don't think that's technically possible.

[eru]

Just needs browser support. A Chrome or Firefox extension could do.

[riffraff]

yes, just stick XPath at the end in a "hl=q".

I did that for some reason I don't remember many years ago, but it's quite fragile. OTOH if you do it based on text content it somewhat resists better to htm changes but not to content changes. It's tricky.