Undocumented vi command

[A. B. Myers]

<<<>>>
I tried responding to the poster, but the mail came back
undelivered.  Perhaps this is worth posting anyway.  The
original poster claimed he'd found an undocumented vi feature,
the tilde (~), which changes upper case to lower and vice versa.
In fact, this neat command IS documented in a brochure
copyrighted by Cscapes, P.O. Box 2233, Everett, WA 98203
The brochure fan-folds out from a tiny (2X7 inches) size.
Very handy.  The last page says, Other C & UNIX References are
published by: Specialized Systems Consultants, P.O. Box  7,
Northgate Station, Seattle, WA 98125-0007  Phone 206-FOR-UNIX...
and it lists these titles: C Reference Card, C Library Reference
for UNIX, UNIX Command Summary, VI Reference (This card), and
Custom References.
			A.B.Myers
			AT&T Bell Laboratories