NEW vi feature ???

[allan at qtlon.UUCP]

<no, no, no. Please don't eat me>
not only does a line
vi:q!:
screw up vi and ex but so do the following. Try makeing a file with one
of the following in and see what happens;
vi:!echo hello:
ex:!echo hello:
vx:!echo hello:
ei:!echo hello:
xxxxxxxxxxxei:!echo hello:hdscbshbcjshadcsd

the rule is (for some reason) if you try to edit a file with vi or ex, and
one of the lines is of the following format
string[ev][xi]:cmd:string
then cmd with be executed as an ex command.
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