Edit filter configuration

See if we can cut down on the false positives and be more permissive to new users wanting to post links on their user pages. Pattern seems to be two HTML line breaks - test whether this is generally true enough and serves new users better.

See if we can cut down on the false positives and be more permissive to new users wanting to post links on their user pages. Pattern seems to be two HTML line breaks - test whether this is generally true enough and serves new users better.