[TUHS] The 'usage: ...' message.

[Ralph Corderoy]

Hi Doug,

> Perhaps because it radically departs from Ken's "?" in qed/ed

That spread elsewhere.  When PDP-7 Unix's cp.s is given an odd number of
arguments, leaving the last unpaired, it prints the argument followed by
‘ ?’.  https://www.tuhs.org/cgi-bin/utree.pl?file=PDP7-Unix/cmd/cp.s

    mes:
       040000;077012		

    unbal:				
       lac name2			
       tad d4			
       dac 1f
       lac d1
       sys write; 1: 0; 4
       lac d1
       sys write; mes; 2
       sys exit

-- 
Cheers, Ralph.