old_contents: // urlmaker.js
  //
  // URLs just like Mama used to make
  //
  // Copyright 2011-2012, StatusNet Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  var URLMaker = {
      hostname: null,
      port: null,
      makeURL: function(relative) {
          if (this.port != 80) {
              return 'http://'+this.hostname+':'+this.port+'/'+relative;
          } else {
              return 'http://'+this.hostname+'/'+relative;
          }
      }
  };
  
  exports.URLMaker = URLMaker;
  
  
new_contents: // urlmaker.js
  //
  // URLs just like Mama used to make
  //
  // Copyright 2011-2012, StatusNet Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  var URLMaker = {
      hostname: null,
      port: null,
      makeURL: function(relative) {
          if (!this.hostname) {
              throw new Error("No hostname");
          }
          if (this.port != 80) {
              return 'http://'+this.hostname+':'+this.port+'/'+relative;
          } else {
              return 'http://'+this.hostname+'/'+relative;
          }
      }
  };
  
  exports.URLMaker = URLMaker;
  
  
subject: throw an error if hostname isn't set