Java Edition 13w38c

13w38c was released to fix some of the bugs and crashes in the 13w38a and 13w38b snapshots.

Changes

 * Removed air as an item (not obtainable with /give, like most of the technical blocks as of 13w37a).

Fixes
6 bugs fixed

From released versions before 1.7
 * – Silk Touch, pre-lit Redstone Lamps

From the 1.7 snapshots
 * – Shader never disappears in F3 once it appears.

From the previous snapshot
 * – Hopper: java.lang.NullPointerException
 * – Hopper: java.lang.NullPointerException
 * – Killing mobs sometimes drop "tile.air.name"
 * – Nether entering crash