Describe how to use interpreter introspection rather than call frame introspection, since the latter will not be available for some time.
Describe how to use interpreter introspection rather than call frame
introspection, since the latter will not be available for some time.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@10202 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot