When in vi visual or open mode, try typing a tilde (~): it converts
from upper to lower case and vice versa, advancing the position of the
cursor in the process.
--
Ken Turkowski @ CADLINC, Menlo Park, CA
UUCP: {amd,decwrl,nsc,seismo,spar}!turtlevax!ken
ARPA: turtlevax!ken at DECWRL.ARPA