1.   Buchanan, an Irish Catholic, is preaching from the same anti-immigrant page that once was used to curb Roman Catholic and Irish immigration.

2.   Divx uses the Macrovision system to protect the analogue signal, a method which is already used to curb analogue video tape copying.

3.   Both had been convicted of violating the Emergency Provision Act, a catchall used to curb political dissent.

4.   In letters, they urged legislators to help the poor, boost spending on education and abolish household registration rules used to curb the migration of farmers to cities.