*input ai[fnt,dek] ! Lookup failed on file ai.mf[fnt,dek] (and also on ai.mf[TEX,SYS]). (*) input ai[fnt,dek] ↑i *ai[fnt,sek] (ai.mf[fnt,sek] 1 2 (basic.mf[1,sek] 1 2 3 4 5 6) 3 4 5 The letter .... 6 The letter A... Proof figures written on file ai.press