Some method documentation.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4902 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/io/ObjectInputStream.as

@@ -205,6 +205,10 @@ public class ObjectInputStream
         return _source.readByte();
     }
 
+    /**
+     * Read bytes into the byte array. If length is not specified, then
+     * enough bytes to fill the array (from the offset) are read.
+     */
     public function readBytes (bytes :ByteArray, offset :uint = 0,
             length :int = -1) :void
         //throws IOError