When a powered redstone repeater is facing the side of another powered redstone repeater, the switch has the bedrock texture and is long.
Environment
Java 7 Update 60, Windows 8.1
When a powered redstone repeater is facing the side of another powered redstone repeater, the switch has the bedrock texture and is long.
Java 7 Update 60, Windows 8.1
This is repeater locking, introduced in Minecraft 1.4