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From:     KLE@MIT-AI
Date: Sun, 24 Jul 78 22:33:42 GMT
Original-Date: 07/24/78 18:33:42 EDT
    To: MOON at MIT-AI, (BUG LISP) at MIT-AI
    Is it the case that three control-c's are always appended to the end of a file
    when reading files from lisp or is it just that Im doing something funny thats
    putting 3 control c's there???
As a result of historical development of ITS, files which are
output in block mode are padded with ^C to a multiple of
five characters.  TECO still writes out its files in tis
mode.  LISP uses the more modern string mode, thus allowing
you to see the ^C's.  Until all programs use string mode
(probably never), programs should by convention ignore
^C's if possible (LISP ordinarily does).