in reply to "use" modifiers
A technique that I've used for flags on the use line, but that doesn't work for pair options, is to use Exporter's @EXPORT_FAIL feature. Basically, if Exporter sees a value that is in @EXPORT_FAIL and not in either @EXPORT or @EXPORT_OK, it dispatches a call to $class->export_fail() to deal with the value.
Alternatively, you could switch to the Exporter::VA module, which has several features geared exactly towards this sort of task.
bbfu
Black flowers blossom
Fearless on my breath
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