Select lists, Hiccup vs Crate

hiccup-vs-crate.clj

             [:select
              (form/select-options [["-- select --" "nil"]
                                    ["Foo" "foo"]
                                    ["Bar"  "bar"]]
                                   "nil")]

hiccup-vs-crate.html

<!-- Hiccup output -->
<select>
  <option selected="" value="nil">-- select --</option>
  <option value="foo">Foo</option>
  <option value="bar">Bar</option>
</select>

<!-- Crate output -->
<select>
  <option selected="true" value="nil">-- select --</option>
  <option selected="false" value="foo">Foo</option>
  <option selected="false" value="bar">Bar</option>
</select>