>This would make chasing and avoiding people harder to those
>without infravision, greatly increasing the importance of
>infravision or dark vision(as wearing glowing gear is not
>seeing in the dark). This could be a neat addition to stealth
>classes.

Would also piss off huge numbers of people.

...since esentially unless you were one of the races with infravision, you'd be waiting to be picked off by a gang of duergar or whatever.