This is TeX, Version 3.14159 (C version 6.1) (format=latex 97.3.11) 6 MAY 1997 18:32 **\nonstopmode\input{lect2.dtx.tex}^^M ! Emergency stop. <*> \nonstopmode\input{lect2.dtx.tex} ^^M *** (cannot \read from terminal in nonstop modes) Here is how much of TeX's memory you used: 3 strings out of 10956 23 string characters out of 70438 43585 words of memory out of 262141 2967 multiletter control sequences out of 9500 3640 words of font info for 14 fonts, out of 150000 for 255 8 hyphenation exceptions out of 607 4i,0n,3p,1b,7s stack positions out of 300i,40n,60p,3000b,4000s No pages of output.