Stops the given character from riding and sets his position to 'Standing'. Returns true if he was riding, false if he wasn't riding.
Example: setpr cool-object 1 on_mudl-dismount-command if (mount(%a), (msg_character(%a,'has mount! dismounting!'),stop_riding(%a),return(true)), (msg_character(%a,'not has mount!'),return(true)) ), return(false) @ Result: > mudl-dismount-command Not has mount! > trans flossie Flossie the riding horse arrives from a puff of smoke. Ok. > mount flossie OK. You are riding. > mudl-dismount-command Has mount! dismounting! > dismount Dismount?? You are not on anything.