old_contents: require.paths.unshift("lib");
  
  var fishback = require("fishback");
  
  var server = fishback.createServer();
  
  server.addResFilter(function (res) {
      // If origin doesn't return a cache-control header, make everything cacheable 
      // for 0 seconds.  This seems useless, but it means that if the the client 
      // explicitly passes max-stale, it will get a cached response.
      if (!("cache-control" in res.headers)) {
          res.headers["cache-control"] = "max-age=0";
      }
  });
  
  server.listen();
  
new_contents: require.paths.unshift("lib");
  
  var fishback = require("fishback");
  
  var server = fishback.createServer();
  
  server.addResFilter(function (res) {
      // If origin doesn't return a cache-control header, make everything cacheable 
      // for 0 seconds.  This seems useless, but it means that if the client 
      // explicitly passes max-stale, it will get a cached response.
      if (!("cache-control" in res.headers)) {
          res.headers["cache-control"] = "max-age=0";
      }
  });
  
  server.listen();
  
subject: Fix English.