+ // TRANS: Invitation to users with a CAS account to log in using the service.
+ // TRANS: "[CAS login]" is a link description. (%%action.caslogin%%) is the URL.
+ // TRANS: These two elements may not be separated.
+ $instr = _m('(Have an account with CAS? ' .
+ 'Try our [CAS login](%%action.caslogin%%)!)');