Thanks, Ladislav,
I wasn't worried about the storage per se. I've just felt that there's
a gap in the REBOL meta-vocabulary, which makes it difficult to
distinguish between the REBOL object called "value" and what that
object contains. You used the term "state" along the way, which works
for me.
I'm not familar with the terms "mutable" and "immutable", which I now
take to be part of the compiler lexicon.
Is the core idea that immutable values can be stored in 1 or more
locations, without side-effects, depending on whether you are
optimizing for space or speed, but that mutable values can only be
stored once?
-Ted.
