\setcommand\lc#1#2{#2} \setcommand\uc#1#2{#1} \setcommand\lctop#1#2{#2} \setcommand\uctop#1#2{#1} \setcommand\lclig#1#2{#2} \setcommand\uclig#1#2{#1} \setcommand\digit#1{#1}