So, I SEARCHED this bug, and it said it was resolved, but yet, think again! It isn't. I was on 13w36b, and bought a server. I made a lvl 30 enchantment table, and enchanted a lvl 18 diamond pickaxe and it didn't show the enchantment, but I knew it was faster than a regular diamond pickaxe. I saw this as a bug to me!
MC-30759
Enchantment Not Showing.
Resolved
Incomplete
0
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report (
[minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt) here.