> However, IronScheme ... all return (a b c d), for whatever reason.

That is the best you can do with escape continuations only.

The problem being the outer continuation in guard cannot re-enter the
dynamic extent of the body.

My version of guard is also slightly altered to allow it to
'continue', although it is not correct.

In most cases this is not a problem however.

Cheers

leppie

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