SpellCast.cast = function(/*optional*/ target) {
	matches = new MatchList();
	var success = matches.matchRe(
		"You sweep your right hand across the spell pattern|" +								// energy bolt
		"You gesture\\.|" +																	// regular cast
		"(You steeple your fingers together|Using your (left|right) hand, you channel)");	// whole displacement
	var failure = matches.matchRe(
		"I could not find what you were referring to\\.|" +		// bad target
		"You must cast this spell on a constellation\\.|" +		// bad target - starlight sphere
		"Your secondary spell pattern|" +						// dead target - TM
		"on yourself!|" +										// not a self cast spell
		"You don't have a spell");								// no spell prepped
	if (target) {
		var matched = Utils.matchPut("cast " + target, matches);
	} else {
		var matched = Utils.matchPut("cast", matches);
	}

	if (matched == success) {
		return true;
	} else if (matched == failure) {
		return false;
	}
}


Output:
R>[1test]: cast
...wait 1 seconds.
R>[1test]: cast
...wait 1 seconds.
Then it hangs.