Obscure Vi bug?

[Brian Matthews]

In article <1990Aug2.211449.24360 at math-cs.kent.edu> jstuart at kentvax.kent.edu (Jeff Stuart) writes:
|We have a problem here also with vi that when you edit a file and that
|file contains an ei: possibly followed by some text and then another :
|vi gives an error message.  This happened on two machines, 1) Plexus
|P/75 running System V.2, and 2) Zilog Z80 running System V.2.  The error
|message that we get on the zilog is bad register command and on the
|plexus it is something totally different.  Has anyone seen this?

It will probably also happen with ex: or vi: or vx:  This is a feature,
of questionable utility, but a feature nonetheless.
-- 
Brian L. Matthews	blm at 6sceng.UUCP