docs: def scripttag(self, url, path, filename, context):
          """
          Renders a <script> tag for the JS file(s).
          """
          if msettings['DOCTYPE'] == 'html5':
              markup = """<script src="%s"></script>"""
          else:
              markup = """<script type="text/javascript" charset="utf-8" src="%s"></script>"""
          return markup % self.mkpath(url, path, filename, gzip=self.supports_gzip(context))