Ed,
I'm not sure if this is simpler or not, but you shouldn't need a separate container unless you are making a class. You can set the vertical positions of the option buttons to space them farther apart. Then use labels to hold the text that should wrap.
>Several captions in optiongroup are too long.
>I created a conteiner with optiongroup and labels to make it more narrow and to keep additional text lines with radiobuttons together. It works.
>But maybe there is a simpler way ?