note frozenwithjoy Perhaps this ([http://search.cpan.org/~saper/constant-1.21/lib/constant.pm#CAVEATS|constant#CAVEATS]): <blockquote><i>You can get into trouble if you use constants in a context which automatically quotes barewords...</i></blockquote> <p>And this ([http://search.cpan.org/~roode/Readonly-1.03/Readonly.pm#COMPARISON_WITH_"use_constant"|Readonly#COMPARISON_WITH_"use_constant"]):</p> <blockquote><i>You have to be very careful in places where barewords are allowed...</i></blockquote> 1004985 1004988