Andrew C. Greenberg wrote:
> 
> Of course, I can bury any ugliness, if necessary, just by adding a
> #do:inbetween: method or the like to the Collection protocol.

This is how it was done in the old PARC research image; do:andBetweenDo:
is useful for many things.

Another option is the ugly (but simple)

        aCollection do:
                [:each |
                 each printOn: aStream.
                 aStream nextPut: $,].
	aStream skip: -1

stp

-- 

Stephen Travis Pope  --  http://www.create.ucsb.edu/~stp
stp at create.ucsb.edu  --  stp9 at cornell.edu