Propagating environment to taint tests

[Eric Wilhelm]

# from Michael G Schwern
# on Sunday 30 September 2007 16:41:

>That warning idea is more something that an author can write up in
> their own test, we don't need to provide support for that.

Other than to somehow indicate that we have magically modified the 
environment.  The user's PERL5LIB is gone under taint and we're the 
code that goned it.

--Eric
-- 
I eat your socks and you pay me.
--The business sense of a very small goat.
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