Three French comedies revolving around marriage, misidentification, medicine–and money! <P> DOCTOR SCRATCH, by Noël le Breton, is a clever and hilarious farce, in which love becomes hopelessly entangled in the attempts by the characters to improve their declining financial situations. <P> THE SERVANT PROBLEM, by Alain-René Lesage, the well-known novelist, two criminals manage to insert themselves as valets to several young men looking to marry the daughters of wealthy...