In-text highlight/like button (similar to quoting, but different)

[JammyDodger]

I think someone did a bit of work on something similar in this topic:

Feature: "Like" specific text inside a post, not just the post itself (Video)

Hi Community, I have a programming question related to a new feature that I am building on a theme component. I prepared a short video to demonstrate what I already have and where I am blocked. Here is a short description though: I want people to be able to “like” specific text inside posts (also other peoples’ posts) - not just the entire post. Once a user selects a text, he clicks a new icon which in turn wraps the selected text with the [warp] block, which I then use to style. …