[Book] more info about multis. I'm sure I have some details wrong, a lot of this is coming out of my memory
[Book] more info about multis. I'm sure I have some details wrong, a lot of this is coming out of my memory

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@36484 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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