On Sat, Jul 25, 2009 at 11:45 PM, Gregory Margo <[email protected]> wrote:


> One may create an entirely new environment variable, that is passed to
> children, with:
>    :let $NEWVAR = "foobar"
> but there us no way to delete that environment variable.  You can assign
> a blank string to it,
>    :let $NEWVAR = ""
> but that still leaves the variable in the environment.
>

Why isn't that good enough?  Isn't that the same thing you would do in the
shell?

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