None
          @view_config(renderer="templates/form.pt", name="sequence_of_richtext")
    @demonstrate("Sequence of Rich Text Widgets")
    def sequence_of_richtext(self):
        class Sequence(colander.SequenceSchema):
            text = colander.SchemaNode(
                colander.String(),
                widget=deform.widget.RichTextWidget(),
                description="Enter some text",
            )
        class Schema(colander.Schema):
            texts = Sequence()
        schema = Schema()
        form = deform.Form(schema, buttons=("submit",))
        return self.render_form(form)