Defog Tutor not teaching to those who can learn it in Gen IV

[Victor Lau]

Hi there, attached to this is the proof that the defog tutor can't teach it to pkmn who (may) need it to be viably competitive AND who do actually learn it.

Here's a list of those that can learn it for easy reference: http://bulbapedia.bulbagarden.net/wiki/Defog_%28move%29#By_HM

Thanks!