Re: let and for vs. lambda variations

[Paul Haahr <haahr@mv.us.adobe.com>]

> Actually, even the multiple binding forms can be rewritten as lambdas,
> using the wrapping trick, but it would be awkward and require some
> obfuscated code:
> 	....
> where `xy' is a symbol that does not appear in the text of cmd.  (!)

which is not possible to determine in es, given that you can write
	`{ echo -n x; echo -n y } = foo
in es.  hence my comment about it not being possible.

paul