Warrior sword specialization clarification

I can’t seem to find this anywhere. Which skills (if any) proc the sword specialization (+5% chance for extra attack after dealing damage with sword)?

In particular I’m asking about whirlwind, mortal strike, hamstring, rend, cleave, overpower retaliation?

Bonus questions:

  1. Is the extra attack subject to this formula?
    normalized_damage = base_weapon_damage + (X * Attack Power / 14)
    x = 2.4 (1h) or 3.3 (2H)

  2. Can anyone confirm the same skills that proc sword specialization (if any) also work for Hand of Justice(HoJ)? (i.e whirlwind, hamstring, rend, etc) Description of HoJ is slightly different with 2% chance on melee hit

Thanks in advance for your time

Definitive yes to all except Whirlwind. I believe Whirlwind does not, but am not 100% sure. Cleave only on the initial target. Rend only on application.

No. It is a bonus attack, not an instant attack, and functions identically to any other normal white hit.

Yes, all the same skills work for Sword Spec and HoJ.

They also all proc Windfury Totem.

edit: Actually, Rend might not proc HoJ, not 100% sure on that.

Blockquote
Definitive yes to all except Whirlwind. I believe Whirlwind does not, but am not 100% sure. Cleave only on the initial target. Rend only on application
Blockquote

If I understood you correctly, this would also be true for HoJ? (whirlwind not working)

Can anyone confim about whirlwind in particular for sword specialization and HoJ?

Bonus:
If whirlwind does work… when you apply sweeping strikes before whirlwind, does the second hit of whirlwind also have a chance to proc?