Undocumented vi command

[Maria Gonzalez]

> >	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.
> 
> Unfortunately, the `~' command doesn't want to move ahead when prefixed by
> a repeat factor.  It just sits there and converts the same character N times!
> 
> Sh?t!
> 
> 			Greg McGary
> 			Locus Computing Corp.
> 						lcc!gm at ucla-cs
> 	 {ihnpr,randvax,sdcrdcf,ucbvax}!ucla-cs!lcc!gm
> 		{trwspp,ucivax}!ucla-va!ucla-cs!lcc!gm
> 					   trwb!lcc!gm

	Yes, unlike most of vi commands this one cannot be 
prefixed by a number.
			mrg