I seem to recall waaaaaay back in the day, skills had a daily cap. Like, say, Fishing, if you'd never picked up a pole and at lvl 65 decided to skill up, you couldn't hit the 200 hard cap because at some point, you'd receive a message "you have advanced this skill as far as you can for the day" (or something very similar at any rate).
Is that still in effect? And, yes, I know about level caps on skills, I'm talking about how much you can skill up in a day on things like Fishing.