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Item7222: Trailing space in DENYTOPIC* causes the access allowed to anybody
Item Form Data
If a DENYTOPIC* variable (e.g. DENYTOPICVIEW) has a trailing space in its value, the value is regarded as empty and the operation is allowed to anybody.
This is because the value's non-emptiness not is checked by
$denyText =~ /\S$/
, which if false if there is a trailing space.
in the matching pattern must be deleted.