Improve Latex detection
Originally submitted by @sebastinez
We still don’t detect and render math expressions in:
Code blocks with the math prefix
The Cauchy-Schwarz Inequality
\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1…
Inline expression
This sentence uses \` and \` delimiters to show math inline: `\sqrt{3x-1}+(1+x)^2`