Hi Jeff & Jim,

>...I can count on one hand the number of times I have ever used SET FILTER.

I think I can't count the number of times I used this, never used!

>>I also see a place for public variables in saving and restoring SET settings when an app starts/ends.
>
>That is a good example of a misuse of variables.

Yes

>When instructing new developers it is good to generalize. It makes them think before they act. If an instructor says, PUBLIC vars are sometimes OK, that is a blanker permission to use publics. If he says NEVER use public vars, that makes a learner think really hard before they use a public.

I'm agree with Jim, to my newbies I haev a decalog, and also I say him: IT'S PROHIBITED TO ...