documentation for vi

[ilan343 at violet.berkeley.edu]

From: ilan343 at violet.berkeley.edu ()
Path: violet.berkeley.edu!ilan343
Newsgroups: unix.questions
Subject: Documentation for vi
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Where do I find complete documentation for 'vi', including the 'ex' related
stuff?

I have the System V documentation and there is no mention of things like
"map" (which has been discussed in this news group recently).
This makes me wonder how many other 'vi' features I am not aware of.