This plugin is designed to discard comments which have bodies including
links formatted in multiple senses.
A typical comment might have multiple URLs included in it, (but see
Blog::Spam::Plugin::lotsaurls for restricting the maximum number
of submitted URLs per comment), but each will be in the same format.
Many SPAM comments contain links in multiple formats, because theyre
submitted en masse and the submitter doesnt know what formatting
type to use.
This leads to comments with contents such as:
This plugin will recognise links have been submitted in multiple
formats and reject them as SPAM.