Lots, the biggest probably being environments like matrices (\begin{pmatrix}...\end{pmatrix}) and piece-wise functions (\begin{cases}...\end{cases}). Lots of w

Lots, the biggest probably being environments like matrices (\begin{pmatrix}...\end{pmatrix}) and piece-wise functions (\begin{cases}...\end{cases}). Lots of work to be done! And we love new contributors :)