Another note: I realize that I shouldn't use `expand-top-sequence' to
restart the expander within a local lexical environment. At first
glance, I guess I should be using `expand' instead.
Another possibility: if the (capture-lexical-environment) was found
within a body or sequence where local def
Mark H Weaver writes:
> This is a _preliminary_ patch. In particular:
>
> * The compiler does not yet handle (capture-lexical-environment)
> (which uses a new tree-il type).
>
> * The lexical environment object is currently non-opaque list structure.
>
> * I deliberately avoided reindenting ev
