Added description of _st function. See email exchange with Herby Fri, Sep 6, 2013 at 11:28 AM
@@ -1,3 +1,15 @@
+
+/*
+_st points to a function used all over the compiled amber code that
+takes any value (JavaScript or Smalltalk) and returns a proper Amber Smalltalk receiver.
+null or undefined -> nil,
+plain JS object -> wrapped JS object,
+otherwise unchanged
+*/
define("amber_vm/_st", ["./boot"], function (boot) {
return boot._st;
});