old_contents: // Copyright 2013 [copyright owner]
  //
  // 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 redis = require("redis"),
      url = require("url");
  
  exports.connect = function (connUrl, options) {
      var parsedUrl = url.parse(connUrl);
      var port = null, password = null, db = null;
      if (parsedUrl.port) {
          port = parseInt(parseUrl.port);
      }
      if (parsedUrl.auth) {
          password = parsedUrl.auth;
      }
      if (parsedUrl.path && parsedUrl.path.length > 1) {
          db = parseInt(parsedUrl.path.substr(1));
      }
      
      var client = redis.createClient(port, parsedUrl.hostname);
      client.on("error", function (err) {
          if (err) {
              console.error("RedisError: " + err);
          }
      }).on("ready", function () {
          if (options && options.memory) {
              // disable persistency as Redis is only used for caching
              client.config("set", "save", "", function () { });
          }
          if (db) {
              client.select(db);
          }
      });
  
      if (password) {
          client.auth(password);
      }
      return client;
  };
  
new_contents: // Copyright 2013 [copyright owner]
  //
  // 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 redis = require("redis"),
      url = require("url");
  
  exports.connect = function (connUrl, options) {
      var parsedUrl = url.parse(connUrl);
      var port = null, password = null, db = null;
      if (parsedUrl.port) {
          port = parseInt(parsedUrl.port);
      }
      if (parsedUrl.auth) {
          password = parsedUrl.auth;
      }
      if (parsedUrl.path && parsedUrl.path.length > 1) {
          db = parseInt(parsedUrl.path.substr(1));
      }
      
      var client = redis.createClient(port, parsedUrl.hostname);
      client.on("error", function (err) {
          if (err) {
              console.error("RedisError: " + err);
          }
      }).on("ready", function () {
          if (options && options.memory) {
              // disable persistency as Redis is only used for caching
              client.config("set", "save", "", function () { });
          }
          if (db) {
              client.select(db);
          }
      });
  
      if (password) {
          client.auth(password);
      }
      return client;
  };
  
subject: fix a typo