immortality / dominion bug

[Dogboy]

I just encountered a bug that seriously undermines a major part of my strategy.

According to the turn sequence on pages 71-72 of the manual, battles are resolved in step 14, and dominion is not changed until step 24. Therefore, if I move into a
territory that was positive last turn, combat should occur at that positive level of dominion, and only change after battle has been resolved (and 10 other steps take place,
such as global enchantments, building instructions, income, starvation, upkeep).

Therefore, I sent some immortal units in to attack an enemy in friendly domain, certain that if they died, they would return to my home province. Well, it turns out that all 56 units were killed, but they never revived. I see that my opponent managed to change the dominion to his side (dark candles) this turn, but this should not have had effect until after the battle.

Is this a recognized bug, or have I misread the rules?

Thanks!