US International keyboard layout dead keys behaving inconsistently

I use the US International keyboard layout, which makes it easy to produce a whole bunch of special characters without alt codes or third-party software. It usually works fine, but sometimes the dead keys don't work the way they're supposed to. Expected behavior when following a dead key with... Compatible character → special character ( 'a → á ) Incompatible character → literal value for both keys ( 't → 't ) A dead key again → literal value for both keys ( ~~ → ~~ ) Space → literal value of dead key ( → ) However, in some applications (usually resource-intensive ones like games, e.g. Star Tr

Question by TigerhawkT3 on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.