* Oyster was readable after first gotten even when not carried.
+* Response to an attempt to unlock the oyster while carrying it was incorrect.
+
* Behavior when saying the giant's magic words outside his room wasn't
quite correct - the game responded as though the player were in
the room ("...can't you read?"). The new message is "Nothing happens."
Huh?
-> unlock oyster
-
-I advise you to put down the oyster before opening it. >WRENCH!<
-
> drop oyster
OK
+> unlock oyster
+
+You don't have anything strong enough to open the oyster.
+
> take oyster
OK
e
cave
e
-# Everything to here is from endgame428
+# Everything to here is from endgame428,
+# except we drop the oyster before trying
+# to unlock it rather than after.
attack
take oyster
find oyster
lock
lock oyster
-unlock oyster
drop oyster
+unlock oyster
take oyster
read oyster
y
attack bird
find bird
break mirror
-