This PR replaces the current text selection rectangle functionality with "proper" selection between two points. It requires zathura-pdf-mupdf!8 (merged) to be merged. It does a couple of things:
I have created a new struct on the
selection to keep track of this data.
There are possibly a couple things that could be improved such as highlighting on latex math symbols, but this is definitely a great start.
Here is a picture of the result: