Fix: Conflict between backlinks and LaTeX brackets due to ripgrep command

[v3natio]

Fix for #37

I added an implementation of the treesitter helper I use for my snippets.

Essentially it just leverages the treesitter nodes to detect whether we're in math mode (where the parent node is enclosed by $ or $$), or in text mode.

Then, I modified the find_search_start function so that it won't run if we're in math mode.

The only issue now, which I need some help for, is that whenever I have inbalanced braces within mathmode, then the treesitter helper will default back to textmode, and we run back into the issue we were trying to fix. For example:

$$
\begin{flalign*}
  &\left[ d_{d \right] &&\\
\end{flalign*}
$$

This is still better than the original, as before it would return the error even when braces were balanced.

[v3natio]

Also, I decided that the best course of action would be to use treesitter, as string manipulation within the find_search_start function wouldn't be proper due to the use of display mode for math (where the $ signs are not in the same line as the math).

[neo451]

Suggested change

	local ts = require "vim.treesitter"
	local ts = vim.treesitter

[neo451]

Somehow in my memory I replied to this lol.

The issue is still there when I test? Is it fixed?

I still don't see the point of treesitter, since if $ is not on the same line, the error is not triggered.

Just use string:match is sufficient for the bug I think.

But a in_mathzone function is also great to have, there's a discussion here: https://github.com/orgs/obsidian-nvim/discussions/156

If treesitter is not good in the end because of the imblanced brackets, look at the vimtex implementation maybe? Translate the logic to lua would be ok. ( don't fret vimscript is you don't know it, just ask gpt :)

[neo451]

Also remember to rebase to main, since a lot has happened.

[neo451]

@v3natio any updates or feedbacks?

[v3natio]

Hi, sorry I haven't replied. I got caught up with work. I plan on working on this during next week, hopefully can come up with an implementation for math_zone as per https://github.com/orgs/obsidian-nvim/discussions/156