> Okay here's the concrete semantics I propose:
>
> 1. The "head" production is the part that looks for the <*. Upon
> finding a <*, it consumes any number of horizontal spaces, line
> comments, and multiline/datum comments. It then enters "superlist"
> production
>
> 2. "superlist" just calls the top-level "i_expr" repeatedly, creating
> a list of items, and terminating upon finding a *>, returning the
> yielded list.
>
> 3. When "superlist" returns, "head" just takes its returned value and
> takes it as a single item, and continues on its merry way looking for
> n-expressions and superlists after the *>.
>
> The third part allows:
>
> let <* x 5 \\ y 6 *> {x + y}
So given the above semantics, we can define an R6RS library as so:
<*
library \\ amkg animals $ 1 0
export
cat
rename $ rover dog
import
only
amkg pets $ 1 0
rover
define cat 'meow
*>
Thoughts?
Sincerely,
AmkG
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