PP: Better declared but undef scalar detection #17
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This still will not find undef scalars defined with 'our'. But it will find undefined scalars added by 'use vars' or other export tools.
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This still will not find undef scalars defined with 'our'. But it will
find undefined scalars added by 'use vars' or other export tools.
This makes use of the fact that 'strict' will throw an exception when using an undeclared variable. Imported variables count as declared :-)