Sword Bug

This Bug appears since Minecraft 1.5.2 and maybe earlier.
Also i posted this Bug for the Snapshot 16w06a.
I hope it will fixed as soon as possible.
I have seen, that there are other Tickes with this Bug, but maybe this way is not in a Ticket yet.

Sry for my bad english, I´m from Germany

Here´s the Bug
https://youtu.be/xd6I-w1rsA0