Changes
This usage of "given that" is confusing and non-idiomatic in some English dialects, but a simple "if" works in all of them.
.. ' The [[Wikipedia:Protection policy#extended|policy on community use]]'
.. ' specifies that extended confirmed protection can be applied to combat'
.. ' disruption, given that if semi-protection has proven to be ineffective.'
.. ' Please discuss any changes on the ${TALKPAGE}; you may'
.. ' ${EDITREQUEST} to ask for unconversial changes supported by'