touch_start not firing

Did a search and could not find this. I have come across a situation where the touch_start event will not fire until you touch the prim again. This seems to occur when from the touch_start event I go to another state. On return to the base state is whenthe event issues occur. If this is changed to a plain touch event, then works fine.

Has anyone seen this before???

-----
//

key USER_KEY;

default
{
    state_entry()
    {
        llSay(0, "In Default");
    }

    touch_start(integer total_number)
    {
        llSay(0, "In Touch Start");

        //Do some stuff then go to the dialog state
        USER_KEY = llDetectedKey(0);
        state dialog;
    }
}

state dialog
{
    state_entry()
    {
        //Show a dialog
        llDialog(USER_KEY, "Nothing really going on", ["Ha", "Ho"], -301000);
        llListen(-301000, "", NULL_KEY, "");
        //start a timer in case the user does not respond .. or clicks ignore
        llSetTimerEvent(30.0);
    }

    listen(integer channel, string name, key id, string message)
    {
        //respond to the dialog
        //return to main state
        state default;
	}

    timer()
    {
        //timed out, return to main state
        llSetTimerEvent(0.0);
        state default;
    }
}

//

That's a common problem. You have to change states in the touch_end event instead.

Thanks Rebekka .. yes I had seen that if I changed states in the other touch events it worked fine ... just curious really if anyone had an explination as to why this is happening.

Ok .. thinking about it I guess I understand why this acts as it does. By changng state in the touch_start the touch-end never fires. so there must be a marker in the event that notes that a touch_start fired without the corresponding touch_end. Next time there is a touch the start does not fire but the end does and thus the cycle is complete.

There's a lengthy discussion of the issue at https://jira.secondlife.com/browse/SVC-3017