         return request->send( 501, textPlainHeader, "Not present." );
       }
     }
+
     else if ( request->hasArg( "timezone" ) )
     {
       snprintf( content, sizeof( content ), "%s", getenv( "TZ" ) );
     }
+
     else
     {
       return request->send( 400, textPlainHeader, "Invalid option" );
     }
+
     request->send( 200, textPlainHeader, content );
   });
 

        }
      }
      channel[ channelNumber ].color = "#" + request->arg( "color" );


      //pre-use 'content' buffer
      snprintf( content, sizeof( content ), "channelcolor%i", channelNumber );

  });

  /**********************************************************************************************
      api calls
  **********************************************************************************************/

  server.on( "/api/deletefile", HTTP_POST, []( AsyncWebServerRequest * request)
