[gclist] More questions for the FAQ

[Robert A Duff]

John Levine writes:

> Word files are structured as chunks of stuff with pointers, so getting 
> rid of the garbage requires in effect a compacting GC.

And Henry says all the garbage goes away on a "save as", but not on a
"save".  Yuck!  You're telling me they know how to collect all this
garbage, but they don't actually do it on a save?!  It seems like that's
the perfect time to invoke the gc.  Are these people trying to sell
disks?

- Bob