>>593-594
@iscript
kag.checkProceedingKey = function(key, shift)
{
    if(key == VK_RETURN || key == VK_SPACE)
    {
        if(skipKeyRepressed) return false;
        skipKeyRepressed = true;
        onPrimaryClickByKey();
        return true;
    }
    else if(key == VK_CONTROL)
    {
        if(skipKeyRepressed) return false;
        skipKeyRepressed = false;
        onPrimaryClickByKey();
        return true;
    }
    return false;
};
kag.onKeyUp = function(key, shift)
{
    if(key == VK_RETURN || key == VK_SPACE || key == VK_CONTROL)
    skipKeyRepressed = false;
};
@endscript

単純にまとめるとこうなるはず