1
vote
1answer
241 views

How to avoid `&` conflict when using `\begin{align}` in a tabular cell?

Minimal CODE \documentclass{article} \usepackage {% array, calc, amsmath, longtable, varwidth% } \newsavebox\TBox \newcolumntype{B}[1] {% @{}% ...
7
votes
4answers
872 views

Use column-separator & (ampersand) inside \newenvironment

I'd like to define a grammar environment which basically wraps a tabular environment. Inside the grammar environment I'd like to use an environment called production to insert rows. Example: ...