With '!' being made into a keyword (yech!), case cases didn't work properly. This should fix it (passed my test cases).  Originally discovered with perl's Configure (well, in FreeBSD, I don't know how the NetBSD folks discovered it).
With '!' being made into a keyword (yech!), case cases didn't work properly.
This should fix it (passed my test cases).  Originally discovered with
perl's Configure (well, in FreeBSD, I don't know how the NetBSD folks
discovered it).

Reviewed by:	sef
Submitted by:	jtc@cygnus.com
Obtained from:	NetBSD

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