Steps to duplicate:
-Put two of the same tool/weapon in the crafting slots, and then shift click the output. The two weapons in the slots will still be there and any open slots in your inventory will be filled with the fixed item.
(Tested in 14w05b)
MC-47338
Duplication Glitch When fixing items-14w05b
Resolved
Duplicate
0
Duplicate of MC-46715 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.