Is it customary to tip for dinner in a France? And, if so, what is the customary tip?

Question

Is it customary to tip for dinner in a France? And, if so, what is the customary tip?

Answer 1

Bills in bars and restaurants are required by law to include service, but it is customary to round out your bill with some small change unless you're dissatisfied.

More info:

http://www.discoverfrance.net/France/DF_...

Answer 2

A couple of  bucks

Answer 3

Nearly every restaurant in Paris will have 'Service Compris ___ %" on the menu somewhere, meaning a tip of ___ % will be automatically built into your bill.  Many people still leave a bit extra for nice service, however.