[parenscript-devel] Lexical scoping with LAMBDA

[sblist at me.com]

It appears as though there might be a gap in the lexical scoping
implementation in the compiler:

(ps (lambda (x) 
      (let ((x 1))
        (foo x))
      (incf x)))
=>
"function (x) {
    var x = 1;
    foo(x);
    return ++x;
};"

vs.

(ps (let ((x 10))
      (let ((x 1))
        (foo x))
      (incf x)))

"var x = 10;
var x33 = 1;
foo(x33);
++x;"

Although function parameters have their own lexical bindings,
the environment still needs to be informed of those bindings
so that LET forms in the function body can rename any conflicts.

	Scott