[R] S4: Bug in group method defenition ("Compare")

[Vitalie S.]

> Setting methods for groups ("compare" in this case) does not work  
> properly. Once one method is set ,redefining it or even removing does  
> not change the behavior:

Can anyone suggest how to refresh methods "table" for some particular  
generic? (in the above case "Compare" group generic).

For now each time I change behavior of a method I have to restart R :(.

Thanks.