vi question. How to return to visual mode.

[john.j.tupper]

In article <159 at jma.UUCP> max at jma.UUCP (Max Heffler @ Landmark Graphics) writes:
>Some times, in vi, I hit some unknown key sequence that throws me
>into a command mode that I have not been able to return to visual
>mode from.  Any ideas? 

At the colan, type in vi. (for visual, I think).