It looks like a bug.
Please file a ticket.

On Wed, Dec 22, 2010 at 2:51 PM, hok <ivanvasi...@gmail.com> wrote:

>
> Hello,
> I've noticed that the method
> AbstractSingleSelectChoice.getNoSelectionValue() returns the value for no
> selection. However in AbstractSingleSelectChoice.getDefaultChoice(final
> Object selected) on line 314:
>      return "\n<option selected=\"selected\" value=\"\">" + option +
> "</option>";
>
> and on line 296:
>      buffer.append(" value=\"\">").append(option).append("</option>");
>
> In those cases the null value option has empty value attribute. Wouldn't it
> be more consistent for this option to have the "value" attribute with the
> result provided from getNoSelectionValue() ? I came into this while trying
> to use dojo FilteringSelect, which doesn't "select" the first <option> if
> it
> has empty "value" attribute.
> Thanks.
> --
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