From Permanent Emanation:
PERMANENT EMANATION [EPIC]
Prerequisites: Spellcraft 25 ranks, ability to cast the spell to be made permanent.
Benefit: Designate any one of the character’s spells whose area is an emanation from the character. This spell’s effect is permanent (though the character can dismiss or restart it as a free action). Effects that would normally dispel this spell instead suppress it for 2d4 rounds.
Special: This feat may be taken multiple times. Each time, select a different spell to become permanent.
By strict reading, this feat modifies an Emanation spell so that when you cast it, the duration becomes Permanent. So if you use Extraordinary Spell Aim in combination with the spell after you acquire this feat, you have a shaped spell with a duration of Permanent - which you can dismiss or restart as a free action. So in fact the spell was cast, though only once.