code: def render(self, name, value, attrs=None, renderer=None):
          
          html = super(MarkdownWidget, self).render(name, value, attrs, renderer)
          attrs = self.build_attrs(attrs)
          html += editor_js_initialization("#%s" % attrs['id'])
          return mark_safe(html)
docs: Render widget.
  
          :returns: A rendered HTML