Oddities in Assassin Dragon Talon kick

[BOB2]

I happen to be playing an untwinked level 36 v1.10 beta Assassin that has 24 uncommitted skill points so I spent a little time playing with Dragon Talon and found what I consider to be a fair number of oddities...

What first surprised me in my experiments is that the damage display is wrong. The poison and elemental adders from your charms items and, indeed, your "unused by kick" weapon are being carried by the kick. As well as leeching. As well as monster-flee, and presumably all the other special effects.

First sorry if the question was already asked (and answerd).
There is still something I do not really understand. I am in fact a litlle confused.
From reading this post, I undestood that the damage of the "unused by kick" weapon is added to the dragon talon damage.
But from the reference post: where the actual work begins from ruvanal: here, it seems that the weapon damage is not added to the total damage of dragon talon.

Furthermore, if the damage is added, what happen in case of a dual claws wielding?

Thanks in advance,

BOB2