[texhax] \hline in align environment

[Herbert Voss]

Philip TAYLOR (Ret'd) schrieb:
> Very interesting : it works with your "AMSart" class [1],
> but not with
> 
> 	\documentclass{minimal}
> 	\usepackage {AMSmath}

\documentclass{article}
\usepackage{amsmath}

works

Herbert