code: function obsNoWsCtl() {
          return opts.strict ? null : wrap('obs-NO-WS-CTL', compareToken(function (tok) {
              var code = tok.charCodeAt(0);
              return ((1 <= code && code <= 8) ||
                      (11 === code || 12 === code) ||
                      (14 <= code && code <= 31) ||
                      (127 === code));
          }));
      }
docs: obs-NO-WS-CTL   =   %d1-8 /            ; US-ASCII control %d11 /             ;  characters that do not %d12 /             ;  include the carriage %d14-31 /          ;  return, line feed, and %d127              ;  white space characters