This is TeX, WAITS Version 2.1 (preloaded format=plain 87.2.17) 28 APR 1987 22:47 **\err ! TeX capacity exceeded, sorry [text input levels=6]. <insert> \err↑↑? \err <insert> \err \err <insert> \err \err <insert> \err \err <insert> \err \err <insert> \err \err <*> \err If you really absolutely need more capacity, you can ask a wizard to enlarge me. No pages of output.