Test codes:
<window id="w" onA='l.value += "A"' onB='l.value += "B"'>
You shall see "AB" is generate when clicking
<button label="Test" forward="onA,onB"/>
<label id="l">
</window>
Wrong Result: "B" is generated since onB overrides onA (they are both mapped to onClick).
However, it is OK if the original event is different.
Logged In: YES
user_id=91099
Originator: YES
Fixed since 5/23