[clean-list] mod function

[Brent Fulgham]

> Usually the compiler when it starts, it spends an inordinate amount of
> time doing some administrative chores, initialization perhaps. Nothing
> happens, even the disk remains quiet. After many seconds it starts its
> febrile module checking, recompilation, producing diagnostics, etc.
> Sometimes, when I do some correction to the program, this initial
> period is *much* shorter, the compilation starts almost immediately.
> And sometimes not...

I don't see this behavior using the command-line compiler under Linux.  Perhaps it's something in the IDE framework that is taking so long.  I've actually been quite amazed at how fast the compiler is.

-Brent