Bukkit/CraftBukkit — pull request #825 by mikeprimm (2012-08-02 16:25:20+00:00)
Title: Fix incorrect mapping of ChunkSection nibble data to snapshot (BUKKIT-1977)

This fixes an exception (due to using the extended block nibbles as if they were data nibbles) and otherwise incorrect mapping of chunk section data into the snapshot. Fixes BUKKIT-1977