diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
index 6c98172267f46c47d9857ff69d4193dbe4eba389..9f833dfa75f88865025cdef16eb19c0021d457c8 100644
--- a/COPYRIGHT.txt
+++ b/COPYRIGHT.txt
@@ -8,7 +8,7 @@ the Free Software Foundation.
 
 This program is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index 1f3db1aa3ec9dea00aa7dafe1deba11b141493e5..dbff7eaa1d8148e0736802d87e0ee832afd6321a 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -315,8 +315,8 @@ function timer_stop($name) {
  * 13. $confdir/default
  *
  * If a file named sites.php is present in the $confdir, it will be loaded
- * prior to scanning for directories.  It should define an associative array
- * named $sites, which maps domains to directories.  It should be in the form
+ * prior to scanning for directories. It should define an associative array
+ * named $sites, which maps domains to directories. It should be in the form
  * of:
  *
  * $sites = array(
@@ -334,7 +334,7 @@ function timer_stop($name) {
  * "example.com" in the sites directory whenever a request comes from
  * "example.com", "devexample.com", or "localhost/example". That is useful
  * on development servers, where the domain name may not be the same as the
- * domain of the live server.  Since Drupal stores file paths into the database
+ * domain of the live server. Since Drupal stores file paths into the database
  * (files, system table, etc.) this will ensure the paths are correct while
  * accessed on development servers.
  *
@@ -409,7 +409,7 @@ function drupal_initialize_variables() {
  * Validate that $_SERVER['HTTP_HOST'] is safe.
  *
  * As $_SERVER['HTTP_HOST'] is user input, ensure it only contains characters
- * allowed in hostnames.  See RFC 952 (and RFC 2181). $_SERVER['HTTP_HOST'] is
+ * allowed in hostnames. See RFC 952 (and RFC 2181). $_SERVER['HTTP_HOST'] is
  * lowercased.
  *
  * @return
@@ -548,7 +548,7 @@ function drupal_get_filename($type, $name, $filename = NULL) {
     // nothing
   }
   // Verify that we have an active database connection, before querying
-  // the database.  This is required because this function is called both
+  // the database. This is required because this function is called both
   // before we have a database connection (i.e. during installation) and
   // when a database connection fails.
   elseif (db_is_active() && (($file = db_query("SELECT filename FROM {system} WHERE name = :name AND type = :type", array(':name' => $name, ':type' => $type))->fetchField()) && file_exists($file))) {
@@ -708,7 +708,7 @@ function drupal_load($type, $name) {
  * Set HTTP headers in preparation for a page response.
  *
  * Authenticated users are always given a 'no-cache' header, and will
- * fetch a fresh page on every request.  This prevents authenticated
+ * fetch a fresh page on every request. This prevents authenticated
  * users seeing locally cached pages that show them as logged out.
  *
  * @see page_set_cache()
@@ -724,7 +724,7 @@ function drupal_page_header() {
  * Set HTTP headers in preparation for a cached page response.
  *
  * The general approach here is that anonymous users can keep a local
- * cache of the page, but must revalidate it on every request.  Then,
+ * cache of the page, but must revalidate it on every request. Then,
  * they are given a '304 Not Modified' response as long as they stay
  * logged out and the page has not been modified.
  *
@@ -887,8 +887,8 @@ function watchdog($type, $message, $variables = array(), $severity = WATCHDOG_NO
 
   static $in_error_state = FALSE;
 
-  // It is possible that the error handling will itself trigger an error.  In that case, we could
-  // end up in an infinite loop.  To avoid that, we implement a simple static semaphore.
+  // It is possible that the error handling will itself trigger an error. In that case, we could
+  // end up in an infinite loop. To avoid that, we implement a simple static semaphore.
   if (!$in_error_state) {
     $in_error_state = TRUE;
 
@@ -1064,7 +1064,7 @@ function drupal_bootstrap($phase = NULL) {
 }
 
 /**
- * Return the current bootstrap phase for this Drupal process.  The
+ * Return the current bootstrap phase for this Drupal process. The
  * current phase is the one most recently completed by
  * drupal_bootstrap().
  *
@@ -1101,7 +1101,7 @@ function _drupal_bootstrap($phase) {
       break;
 
     case DRUPAL_BOOTSTRAP_DATABASE:
-      // Initialize the database system.  Note that the connection
+      // Initialize the database system. Note that the connection
       // won't be initialized until it is actually requested.
       require_once DRUPAL_ROOT . '/includes/database/database.inc';
       // Register autoload functions so that we can access classes and interfaces.
@@ -1268,7 +1268,7 @@ function language_default($property = NULL) {
 /**
  * If Drupal is behind a reverse proxy, we use the X-Forwarded-For header
  * instead of $_SERVER['REMOTE_ADDR'], which would be the IP address of
- * the proxy server, and not the client's.  If Drupal is run in a cluster
+ * the proxy server, and not the client's. If Drupal is run in a cluster
  * we use the X-Cluster-Client-Ip header instead.
  *
  * @param $reset
@@ -1344,7 +1344,7 @@ function drupal_get_schema($table = NULL, $rebuild = FALSE) {
         // was last called with, which is not always what you want.
         // module_load_all_includes() calls module_list(), but if this function
         // is called very early in the bootstrap process then it will be
-        // uninitialized and therefore return no modules.  Instead, we have to
+        // uninitialized and therefore return no modules. Instead, we have to
         // "prime" module_list() here to to values we want, specifically
         // "yes rebuild the list and don't limit to bootstrap".
         // TODO: Remove this call after http://drupal.org/node/222109 is fixed.
diff --git a/includes/common.inc b/includes/common.inc
index 09432d55e4b12afbf311a8dcc9763fe4d3b8f22b..0d1b8d8b9283ebc1f8b7eed6357b7cd12581d098 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1532,7 +1532,7 @@ function format_date($timestamp, $type = 'medium', $format = '', $timezone = NUL
  *
  * @param $path
  *   The Drupal path being linked to, such as "admin/content/node", or an
- *   existing URL like "http://drupal.org/".  The special path
+ *   existing URL like "http://drupal.org/". The special path
  *   '<front>' may also be given and will generate the site's base URL.
  * @param $options
  *   An associative array of additional options, with the following keys:
@@ -2777,7 +2777,7 @@ function drupal_random_bytes($count)  {
   // Note that it may be important that our $random_state is passed
   // through md5() prior to being rolled into $output, that the two md5()
   // invocations are different, and that the extra input into the first one -
-  // the microtime() - is prepended rather than appended.  This is to avoid
+  // the microtime() - is prepended rather than appended. This is to avoid
   // directly leaking $random_state via the $output stream, which could
   // allow for trivial prediction of further "random" numbers.
   while (strlen($output) < $count) {
@@ -3045,7 +3045,7 @@ function drupal_system_listing($mask, $directory, $key = 'name', $min_depth = 1)
   $searchdir[] = 'sites/all/' . $directory;
 
   // The 'profiles' directory contains pristine collections of modules and
-  // themes as organized by a distribution.  It is pristine in the same way
+  // themes as organized by a distribution. It is pristine in the same way
   // that /modules is pristine for core; users should avoid changing anything
   // there in favor of sites/all or sites/<domain> directories.
   if (file_exists("profiles/$profile/$directory")) {
diff --git a/includes/database/database.inc b/includes/database/database.inc
index 9dc3d78dd404c17d32449506d95dcfc84cf8d6b6..411d2cfd70aa399baff8dcbdf34ecafe83e2932f 100644
--- a/includes/database/database.inc
+++ b/includes/database/database.inc
@@ -12,10 +12,10 @@
  * Allow the use of different database servers using the same code base.
  *
  * Drupal provides a database abstraction layer to provide developers with
- * the ability to support multiple database servers easily.  The intent of
+ * the ability to support multiple database servers easily. The intent of
  * this layer is to preserve the syntax and power of SQL as much as possible,
  * but also allow developers a way to leverage more complex functionality in
- * a unified way.  It also provides a structured interface for dynamically
+ * a unified way. It also provides a structured interface for dynamically
  * constructing queries when appropriate, and enforcing security checks and
  * similar good practices.
  *
@@ -48,14 +48,14 @@
  * Finally, note the PDO-based ability to foreach() over the result set.
  *
  *
- * All queries are passed as a prepared statement string.  A
+ * All queries are passed as a prepared statement string. A
  * prepared statement is a "template" of a query that omits literal or variable
- * values in favor of placeholders.  The values to place into those
+ * values in favor of placeholders. The values to place into those
  * placeholders are passed separately, and the database driver handles
- * inserting the values into the query in a secure fashion.  That means you
+ * inserting the values into the query in a secure fashion. That means you
  * should never quote or string-escape a value to be inserted into the query.
  *
- * There are two formats for placeholders: named and unnamed.  Named placeholders
+ * There are two formats for placeholders: named and unnamed. Named placeholders
  * are strongly preferred in all cases as they are more flexible and
  * self-documenting.
  *
@@ -65,13 +65,13 @@
  * @endcode
  *
  * ":uid" is a placeholder that will be replaced with a literal value when
- * the query is executed.  A given placeholder label cannot be repeated in a
- * given query, even if the value should be the same.  When using named
+ * the query is executed. A given placeholder label cannot be repeated in a
+ * given query, even if the value should be the same. When using named
  * placeholders, the array of arguments to the query must be an associative
  * array where keys are a placeholder label (e.g., :uid) and the value is the
- * corresponding value to use.  The array may be in any order.
+ * corresponding value to use. The array may be in any order.
  *
- * Unnamed placeholders are simply a question mark.  Example:
+ * Unnamed placeholders are simply a question mark. Example:
  * @code
  * SELECT nid, title FROM {node} WHERE uid=?
  * @endcode
@@ -79,9 +79,9 @@
  * In this case, the array of arguments must be an indexed array of values to
  * use in the exact same order as the placeholders in the query.
  *
- * Note that placeholders should be a "complete" value.  For example, when
+ * Note that placeholders should be a "complete" value. For example, when
  * running a LIKE query the SQL wildcard character, %, should be part of the
- * value, not the query itself.  Thus, the following is incorrect:
+ * value, not the query itself. Thus, the following is incorrect:
  *
  * @code
  * SELECT nid, title FROM {node} WHERE title LIKE :title%
@@ -93,17 +93,17 @@
  * SELECT nid, title FROM {node} WHERE title LIKE :title
  * @endcode
  *
- * and the value for :title should include a % as appropriate.  Again, note the
- * lack of quotation marks around :title.  Because the value is not inserted
+ * and the value for :title should include a % as appropriate. Again, note the
+ * lack of quotation marks around :title. Because the value is not inserted
  * into the query as one big string but as an explicitly separate value, the
- * database server knows where the query ends and a value begins.  That is
+ * database server knows where the query ends and a value begins. That is
  * considerably more secure against SQL injection than trying to remember
  * which values need quotation marks and string escaping and which don't.
  *
  *
  * INSERT, UPDATE, and DELETE queries need special care in order to behave
- * consistently across all different databases.  Therefore, they use a special
- * object-oriented API for defining a query structurally.  For example, rather than
+ * consistently across all different databases. Therefore, they use a special
+ * object-oriented API for defining a query structurally. For example, rather than
  * @code
  * INSERT INTO node (nid, title, body) VALUES (1, 'my title', 'my body')
  * @endcode
@@ -113,7 +113,7 @@
  * db_insert('my_table')->fields($fields)->execute();
  * @endcode
  * This method allows databases that need special data type handling to do so,
- * while also allowing optimizations such as multi-insert queries.  UPDATE and
+ * while also allowing optimizations such as multi-insert queries. UPDATE and
  * DELETE queries have a similar pattern.
  */
 
@@ -250,45 +250,45 @@ function __construct($dsn, $username, $password, $driver_options = array()) {
    * A given query can be customized with a number of option flags in an
    * associative array.
    *
-   *   target - The database "target" against which to execute a query.  Valid
-   *   values are "default" or "slave".  The system will first try to open a
-   *   connection to a database specified with the user-supplied key.  If one
+   *   target - The database "target" against which to execute a query. Valid
+   *   values are "default" or "slave". The system will first try to open a
+   *   connection to a database specified with the user-supplied key. If one
    *   is not available, it will silently fall back to the "default" target.
    *   If multiple databases connections are specified with the same target,
    *   one will be selected at random for the duration of the request.
    *
    *   fetch - This element controls how rows from a result set will be returned.
    *   legal values include PDO::FETCH_ASSOC, PDO::FETCH_BOTH, PDO::FETCH_OBJ,
-   *   PDO::FETCH_NUM, or a string representing the name of a class.  If a string
+   *   PDO::FETCH_NUM, or a string representing the name of a class. If a string
    *   is specified, each record will be fetched into a new object of that class.
-   *   The behavior of all other values is defined by PDO.  See
+   *   The behavior of all other values is defined by PDO. See
    *   http://www.php.net/PDOStatement-fetch
    *
    *   return - Depending on the type of query, different return values may be
-   *   meaningful.  This directive instructs the system which type of return
-   *   value is desired.  The system will generally set the correct value
+   *   meaningful. This directive instructs the system which type of return
+   *   value is desired. The system will generally set the correct value
    *   automatically, so it is extremely rare that a module developer will ever
-   *   need to specify this value.  Setting it incorrectly will likely lead to
-   *   unpredictable results or fatal errors.  Legal values include:
+   *   need to specify this value. Setting it incorrectly will likely lead to
+   *   unpredictable results or fatal errors. Legal values include:
    *
    *     Database::RETURN_STATEMENT - Return the prepared statement object for the
-   *     query.  This is usually only meaningful for SELECT queries, where the
+   *     query. This is usually only meaningful for SELECT queries, where the
    *     statement object is how one accesses the result set returned by the query.
    *
    *     Database::RETURN_AFFECTED - Return the number of rows affected by an
-   *     UPDATE or DELETE query.  Be aware that means the number of rows
+   *     UPDATE or DELETE query. Be aware that means the number of rows
    *     actually changed, not the number of rows matched by the WHERE clause.
    *
    *     Database::RETURN_INSERT_ID - Return the sequence ID (primary key)
    *     created by an INSERT statement on a table that contains a serial column.
    *
    *     Database::RETURN_NULL - Do not return anything, as there is no
-   *     meaningful value to return.  That is the case for INSERT queries on
+   *     meaningful value to return. That is the case for INSERT queries on
    *     tables that do not contain a serial column.
    *
    *   throw_exception - By default, the database system will catch any errors
    *   on a query as an Exception, log it, and then rethrow it so that code
-   *   further up the call chain can take an appropriate action.  To supress
+   *   further up the call chain can take an appropriate action. To supress
    *   that behavior and simply return NULL on failure, set this option to FALSE.
    *
    * @return
@@ -344,7 +344,7 @@ protected function prefixTables($sql) {
    * Prepare a query string and return the prepared statement.
    *
    * This method caches prepared statements, reusing them when
-   * possible.  It also prefixes tables names enclosed in curly-braces.
+   * possible. It also prefixes tables names enclosed in curly-braces.
    *
    * @param $query
    *   The query string as SQL, with curly-braces surrounding the
@@ -364,13 +364,13 @@ protected function prepareQuery($query) {
   /**
    * Tell this connection object what its target value is.
    *
-   * This is needed for logging and auditing.  It's sloppy to do in the
+   * This is needed for logging and auditing. It's sloppy to do in the
    * constructor because the constructor for child classes has a different
-   * signature.  We therefore also ensure that this function is only ever
+   * signature. We therefore also ensure that this function is only ever
    * called once.
    *
    * @param $target
-   *   The target this connection is for.  Set to NULL (default) to disable
+   *   The target this connection is for. Set to NULL (default) to disable
    *   logging entirely.
    */
   public function setTarget($target = NULL) {
@@ -403,7 +403,7 @@ public function setLogger(DatabaseLog $logger) {
    * Get the current logging object for this connection.
    *
    * @return
-   *   The current logging object for this connection.  If there isn't one,
+   *   The current logging object for this connection. If there isn't one,
    *   NULL is returned.
    */
   public function getLogger() {
@@ -414,7 +414,7 @@ public function getLogger() {
    * Create the appropriate sequence name for a given table and serial field.
    *
    * This information is exposed to all database drivers, although it is only
-   * useful on some of them.  This method is table prefix-aware.
+   * useful on some of them. This method is table prefix-aware.
    *
    * @param $table
    *   The table name to use for the sequence.
@@ -431,32 +431,32 @@ public function makeSequenceName($table, $field) {
    * Executes a query string against the database.
    *
    * This method provides a central handler for the actual execution
-   * of every query.  All queries executed by Drupal are executed as
+   * of every query. All queries executed by Drupal are executed as
    * PDO prepared statements.
    *
    * @param $query
-   *   The query to execute.  In most cases this will be a string containing
-   *   an SQL query with placeholders.  An already-prepared instance of
+   *   The query to execute. In most cases this will be a string containing
+   *   an SQL query with placeholders. An already-prepared instance of
    *   DatabaseStatementInterface may also be passed in order to allow calling code
-   *   to manually bind variables to a query.  If a DatabaseStatementInterface
+   *   to manually bind variables to a query. If a DatabaseStatementInterface
    *   is passed, the $args array will be ignored.
    *
    *   It is extremely rare that module code will need to pass a statement
-   *   object to this method.  It is used primarily for database drivers for
+   *   object to this method. It is used primarily for database drivers for
    *   databases that require special LOB field handling.
    * @param $args
-   *   An array of arguments for the prepared statement.  If the prepared
+   *   An array of arguments for the prepared statement. If the prepared
    *   statement uses ? placeholders, this array must be an indexed array.
    *   If it contains named placeholders, it must be an associative array.
    * @param $options
-   *   An associative array of options to control how the query is run.  See
+   *   An associative array of options to control how the query is run. See
    *   the documentation for DatabaseConnection::defaultOptions() for details.
    * @return
    *   This method will return one of: The executed statement, the number of
    *   rows affected by the query (not the number matched), or the generated
    *   insert id of the last query, depending on the value of $options['return'].
    *   Typically that value will be set by default or a query builder and should
-   *   not be set by a user.  If there is an error, this method will return NULL
+   *   not be set by a user. If there is an error, this method will return NULL
    *   and may throw an exception if $options['throw_exception'] is TRUE.
    */
   public function query($query, array $args = array(), $options = array()) {
@@ -513,7 +513,7 @@ public function query($query, array $args = array(), $options = array()) {
    * @see SelectQuery
    * @param $table
    *   The base table for this query, that is, the first table in the FROM
-   *   clause.  This table will also be used as the "base" table for query_alter
+   *   clause. This table will also be used as the "base" table for query_alter
    *   hook implementations.
    * @param $alias
    *   The alias of the base table of this query.
@@ -653,7 +653,7 @@ public function escapeTable($table) {
    *
    * @param $required
    *   If executing an operation that absolutely must use transactions, specify
-   *   TRUE for this parameter.  If the connection does not support transactions,
+   *   TRUE for this parameter. If the connection does not support transactions,
    *   this method will throw an exception and the operation will not be possible.
    * @see DatabaseTransaction
    */
@@ -715,7 +715,7 @@ abstract public function queryRange($query, array $args, $from, $count, array $o
    *   The name of the temporary table to select into. This name will not be
    *   prefixed as there is no risk of collision.
    * @param $options
-   *   An associative array of options to control how the query is run.  See
+   *   An associative array of options to control how the query is run. See
    *   the documentation for DatabaseConnection::defaultOptions() for details.
    * @return
    *   A database query result resource, or FALSE if the query was not executed
@@ -750,13 +750,13 @@ abstract public function databaseType();
    * Gets any special processing requirements for the condition operator.
    *
    * Some condition types require special processing, such as IN, because
-   * the value data they pass in is not a simple value.  This is a simple
-   * overridable lookup function.  Database connections should define only
+   * the value data they pass in is not a simple value. This is a simple
+   * overridable lookup function. Database connections should define only
    * those operators they wish to be handled differently than the default.
    *
    * @see DatabaseCondition::compile().
    * @param $operator
-   *   The condition operator, such as "IN", "BETWEEN", etc.  Case-sensitive.
+   *   The condition operator, such as "IN", "BETWEEN", etc. Case-sensitive.
    * @return
    *   The extra handling directives for the specified operator, or NULL.
    */
@@ -766,7 +766,7 @@ abstract public function mapConditionOperator($operator);
 /**
  * Primary front-controller for the database system.
  *
- * This class is uninstantiatable and un-extendable.  It acts to encapsulate
+ * This class is uninstantiatable and un-extendable. It acts to encapsulate
  * all control and shepherding of database connections into a single location
  * without the use of globals.
  *
@@ -798,7 +798,7 @@ abstract class Database {
   const RETURN_INSERT_ID = 3;
 
   /**
-   * An nested array of all active connections.  It is keyed by database name and target.
+   * An nested array of all active connections. It is keyed by database name and target.
    *
    * @var array
    */
@@ -848,7 +848,7 @@ abstract class Database {
    * @param $key
    *   The database connection key for which we want to log.
    * @return
-   *   The query log object.  Note that the log object does support richer
+   *   The query log object. Note that the log object does support richer
    *   methods than the few exposed through the Database class, so in some
    *   cases it may be desirable to access it directly.
    */
@@ -872,7 +872,7 @@ final public static function startLog($logging_key, $key = 'default') {
   /**
    * Retrieve the queries logged on for given logging key.
    *
-   * This method also ends logging for the specified key.  To get the query log
+   * This method also ends logging for the specified key. To get the query log
    * to date without ending the logger request the logging object by starting
    * it again (which does nothing to an open log key) and call methods on it as
    * desired.
@@ -984,7 +984,7 @@ final protected static function parseConnectionInfo() {
     foreach ($databaseInfo as $index => $info) {
       foreach ($databaseInfo[$index] as $target => $value) {
         // If there is no "driver" property, then we assume it's an array of
-        // possible connections for this target.  Pick one at random.  That
+        // possible connections for this target. Pick one at random. That
         // allows us to have, for example, multiple slave servers.
         if (empty($value['driver'])) {
           $databaseInfo[$index][$target] = $databaseInfo[$index][$target][mt_rand(0, count($databaseInfo[$index][$target]) - 1)];
@@ -1000,7 +1000,7 @@ final protected static function parseConnectionInfo() {
    *
    * This method allows the addition of new connection credentials at runtime.
    * Under normal circumstances the preferred way to specify database credentials
-   * is via settings.php.  However, this method allows them to be added at
+   * is via settings.php. However, this method allows them to be added at
    * arbitrary times, such as during unit tests, when connecting to admin-defined
    * third party databases, etc.
    *
@@ -1042,7 +1042,7 @@ final public static function getConnectionInfo($key = 'default') {
    * Open a connection to the server specified by the given key and target.
    *
    * @param $key
-   *   The database connection key, as specified in settings.php.  The default
+   *   The database connection key, as specified in settings.php. The default
    *   is "default".
    * @param $target
    *   The database target to open.
@@ -1084,7 +1084,7 @@ final protected static function openConnection($key, $target) {
     }
     catch (Exception $e) {
       // It is extremely rare that an exception will be generated here other
-      // than when installing.  We therefore intercept it and try the installer,
+      // than when installing. We therefore intercept it and try the installer,
       // passing on the exception otherwise.
       _db_check_install_needed();
       throw $e;
@@ -1094,7 +1094,7 @@ final protected static function openConnection($key, $target) {
   /**
    * Instruct the system to temporarily ignore a given key/target.
    *
-   * At times we need to temporarily disable slave queries.  To do so,
+   * At times we need to temporarily disable slave queries. To do so,
    * call this method with the database key and the target to disable.
    * That database key will then always fall back to 'default' for that
    * key, even if it's defined.
@@ -1115,7 +1115,7 @@ public static function ignoreTarget($key, $target) {
  *
  * This exception will be thrown when a transaction is started that does not
  * allow for the "silent fallback" of no transaction and the database connection
- * in use does not support transactions.  The calling code must then take
+ * in use does not support transactions. The calling code must then take
  * appropriate action.
  */
 class TransactionsNotSupportedException extends PDOException { }
@@ -1123,16 +1123,16 @@ class TransactionsNotSupportedException extends PDOException { }
 /**
  * A wrapper class for creating and managing database transactions.
  *
- * Not all databases or database configurations support transactions.  For
- * example, MySQL MyISAM tables do not.  It is also easy to begin a transaction
+ * Not all databases or database configurations support transactions. For
+ * example, MySQL MyISAM tables do not. It is also easy to begin a transaction
  * and then forget to commit it, which can lead to connection errors when
  * another transaction is started.
  *
- * This class acts as a wrapper for transactions.  To begin a transaction,
- * simply instantiate it.  When the object goes out of scope and is destroyed
- * it will automatically commit.  It also will check to see if the specified
- * connection supports transactions.  If not, it will simply skip any transaction
- * commands, allowing user-space code to proceed normally.  The only difference
+ * This class acts as a wrapper for transactions. To begin a transaction,
+ * simply instantiate it. When the object goes out of scope and is destroyed
+ * it will automatically commit. It also will check to see if the specified
+ * connection supports transactions. If not, it will simply skip any transaction
+ * commands, allowing user-space code to proceed normally. The only difference
  * is that rollbacks won't actually do anything.
  *
  * In the vast majority of cases, you should not instantiate this class directly.
@@ -1174,7 +1174,7 @@ class DatabaseTransaction {
   /**
    * Track the number of "layers" of transactions currently active.
    *
-   * On many databases transactions cannot nest.  Instead, we track
+   * On many databases transactions cannot nest. Instead, we track
    * nested calls to transactions and collapse them into a single
    * transaction.
    *
@@ -1325,7 +1325,7 @@ public function rowCount();
    * Return a single field out of the current
    *
    * @param $index
-   *   The numeric index of the field to return.  Defaults to the first field.
+   *   The numeric index of the field to return. Defaults to the first field.
    * @return
    *   A single field from the next record.
    */
@@ -1343,7 +1343,7 @@ public function fetchField($index = 0);
    * Fetches the next row and returns it as an associative array.
    *
    * This method corresponds to PDOStatement::fetchObject(),
-   * but for associative arrays.  For some reason PDOStatement does
+   * but for associative arrays. For some reason PDOStatement does
    * not have a corresponding array helper method, so one is added.
    *
    * @return
@@ -1407,7 +1407,7 @@ public function fetchAllKeyed($key_index = 0, $value_index = 1);
    * @param $key
    *   The name of the field on which to index the array.
    * @param $fetch
-   *   The fetchmode to use.  If set to PDO::FETCH_ASSOC, PDO::FETCH_NUM, or
+   *   The fetchmode to use. If set to PDO::FETCH_ASSOC, PDO::FETCH_NUM, or
    *   PDO::FETCH_BOTH the returned value with be an array of arrays. For any
    *   other value it will be an array of objects.
    * @return
@@ -1420,8 +1420,8 @@ public function fetchAllAssoc($key, $fetch = PDO::FETCH_OBJ);
  * Default implementation of DatabaseStatementInterface.
  *
  * PDO allows us to extend the PDOStatement class to provide additional
- * functionality beyond that offered by default.  We do need extra
- * functionality.  By default, this class is not driver-specific.  If a given
+ * functionality beyond that offered by default. We do need extra
+ * functionality. By default, this class is not driver-specific. If a given
  * driver needs to set a custom statement class, it may do so in its constructor.
  *
  * @link http://us.php.net/pdostatement
@@ -1523,18 +1523,18 @@ public function fetchAssoc() {
 /**
  * Execute an arbitrary query string against the active database.
  *
- * Do not use this function for INSERT, UPDATE, or DELETE queries.  Those should
- * be handled via the appropriate query builder factory.  Use this function for
+ * Do not use this function for INSERT, UPDATE, or DELETE queries. Those should
+ * be handled via the appropriate query builder factory. Use this function for
  * SELECT queries that do not require a query builder.
  *
  * @see DatabaseConnection::defaultOptions()
  * @param $query
- *   The prepared statement query to run.  Although it will accept both
+ *   The prepared statement query to run. Although it will accept both
  *   named and unnamed placeholders, named placeholders are strongly preferred
  *   as they are more self-documenting.
  * @param $args
- *   An array of values to substitute into the query.  If the query uses named
- *   placeholders, this is an associative array in any order.  If the query uses
+ *   An array of values to substitute into the query. If the query uses named
+ *   placeholders, this is an associative array in any order. If the query uses
  *   unnamed placeholders (?), this is an indexed array and the order must match
  *   the order of placeholders in the query string.
  * @param $options
@@ -1557,12 +1557,12 @@ function db_query($query, $args = array(), $options = array()) {
  *
  * @see DatabaseConnection::defaultOptions()
  * @param $query
- *   The prepared statement query to run.  Although it will accept both
+ *   The prepared statement query to run. Although it will accept both
  *   named and unnamed placeholders, named placeholders are strongly preferred
  *   as they are more self-documenting.
  * @param $args
- *   An array of values to substitute into the query.  If the query uses named
- *   placeholders, this is an associative array in any order.  If the query uses
+ *   An array of values to substitute into the query. If the query uses named
+ *   placeholders, this is an associative array in any order. If the query uses
  *   unnamed placeholders (?), this is an indexed array and the order must match
  *   the order of placeholders in the query string.
  * @param $from
@@ -1591,12 +1591,12 @@ function db_query_range($query, $args, $from = 0, $count = 0, $options = array()
  *
  * @see DatabaseConnection::defaultOptions()
  * @param $query
- *   The prepared statement query to run.  Although it will accept both
+ *   The prepared statement query to run. Although it will accept both
  *   named and unnamed placeholders, named placeholders are strongly preferred
  *   as they are more self-documenting.
  * @param $args
- *   An array of values to substitute into the query.  If the query uses named
- *   placeholders, this is an associative array in any order.  If the query uses
+ *   An array of values to substitute into the query. If the query uses named
+ *   placeholders, this is an associative array in any order. If the query uses
  *   unnamed placeholders (?), this is an indexed array and the order must match
  *   the order of placeholders in the query string.
  * @param $tablename
@@ -1687,8 +1687,8 @@ function db_delete($table, array $options = array()) {
  * Returns a new SelectQuery object for the active database.
  *
  * @param $table
- *   The base table for this query.  May be a string or another SelectQuery
- *   object.  If a query object is passed, it will be used as a subselect.
+ *   The base table for this query. May be a string or another SelectQuery
+ *   object. If a query object is passed, it will be used as a subselect.
  * @param $alias
  *   The alias for the base table of this query.
  * @param $options
@@ -1746,7 +1746,7 @@ function db_escape_table($table) {
  * Perform an SQL query and return success or failure.
  *
  * @param $sql
- *   A string containing a complete SQL query.  %-substitution
+ *   A string containing a complete SQL query. %-substitution
  *   parameters are not supported.
  * @return
  *   An array containing the keys:
@@ -1893,7 +1893,7 @@ function db_type_placeholder($type) {
       return '\'%s\'';
 
     case 'numeric':
-      // Numeric values are arbitrary precision numbers.  Syntacically, numerics
+      // Numeric values are arbitrary precision numbers. Syntacically, numerics
       // should be specified directly in SQL. However, without single quotes
       // the %s placeholder does not protect against non-numeric characters such
       // as spaces which would expose us to SQL injection.
@@ -1972,7 +1972,7 @@ function db_drop_table(&$ret, $table) {
  * @param $keys_new
  *   Optional keys and indexes specification to be created on the
  *   table along with adding the field. The format is the same as a
- *   table specification but without the 'fields' element.  If you are
+ *   table specification but without the 'fields' element. If you are
  *   adding a type 'serial' field, you MUST specify at least one key
  *   or index including it in this array. @see db_change_field for more
  *   explanation why.
@@ -2132,7 +2132,7 @@ function db_drop_index(&$ret, $table, $name) {
  * );
  * @endcode
  * and you want to change foo.bar to be type serial, leaving it as the
- * primary key.  The correct sequence is:
+ * primary key. The correct sequence is:
  * @code
  * db_drop_primary_key($ret, 'foo');
  * db_change_field($ret, 'foo', 'bar', 'bar',
@@ -2147,10 +2147,10 @@ function db_drop_index(&$ret, $table, $name) {
  * sequences (from serial-type fields) that use the changed field to be dropped.
  *
  * On MySQL, all type 'serial' fields must be part of at least one key
- * or index as soon as they are created.  You cannot use
+ * or index as soon as they are created. You cannot use
  * db_add_{primary_key,unique_key,index}() for this purpose because
  * the ALTER TABLE command will fail to add the column without a key
- * or index specification.  The solution is to use the optional
+ * or index specification. The solution is to use the optional
  * $keys_new argument to create the key or index at the same time as
  * field.
  *
@@ -2199,7 +2199,7 @@ function _db_error_page($error = '') {
  * @ingroup database-legacy
  *
  * These functions are no longer necessary, as the DatabaseStatementInterface interface
- * offers this and much more functionality.  They are kept temporarily for backward
+ * offers this and much more functionality. They are kept temporarily for backward
  * compatibility during conversion and should be removed as soon as possible.
  *
  * @{
@@ -2234,7 +2234,7 @@ function _db_check_install_needed() {
  * Backward-compatibility utility.
  *
  * This function should be removed after all queries have been converted
- * to the new API.  It is temporary only.
+ * to the new API. It is temporary only.
  *
  * @todo Remove this once the query conversion is complete.
  */
@@ -2247,7 +2247,7 @@ function _db_query_process_args($query, $args, $options) {
     $options['target'] = 'default';
   }
 
-  // Temporary backward-compatibliity hacks.  Remove later.
+  // Temporary backward-compatibliity hacks. Remove later.
   $old_query = $query;
   $query = str_replace(array('%n', '%d', '%f', '%b', "'%s'", '%s'), '?', $old_query);
   if ($old_query !== $query) {
@@ -2256,7 +2256,7 @@ function _db_query_process_args($query, $args, $options) {
 
   // A large number of queries pass FALSE or empty-string for
   // int/float fields because the previous version of db_query()
-  // casted them to int/float, resulting in 0.  MySQL PDO happily
+  // casted them to int/float, resulting in 0. MySQL PDO happily
   // accepts these values as zero but PostgreSQL PDO does not, and I
   // do not feel like tracking down and fixing every such query at
   // this time.
diff --git a/includes/database/log.inc b/includes/database/log.inc
index 11ba2c57d1219f5e16227204ae2a76b8f71e7b2a..e25863bfb04df7529c5c58028cbb4b07e9d64b2c 100644
--- a/includes/database/log.inc
+++ b/includes/database/log.inc
@@ -11,7 +11,7 @@
  *
  * We log queries in a separate object rather than in the connection object
  * because we want to be able to see all queries sent to a given database, not
- * database target.  If we logged the queries in each connection object we
+ * database target. If we logged the queries in each connection object we
  * would not be able to track what queries went to which target.
  *
  * Every connection has one and only one logging object on it for all targets
@@ -20,7 +20,7 @@
 class DatabaseLog {
 
   /**
-   * Cache of logged queries.  This will only be used if the query logger is enabled.
+   * Cache of logged queries. This will only be used if the query logger is enabled.
    *
    * The structure for the logging array is as follows:
    *
@@ -58,7 +58,7 @@ public function __construct($key = 'default') {
    * If the specified logging key is already running this method does nothing.
    *
    * @param $logging_key
-   *   The identification key for this log request.  By specifying different
+   *   The identification key for this log request. By specifying different
    *   logging keys we are able to start and stop multiple logging runs
    *   simultaneously without them colliding.
    */
@@ -83,7 +83,7 @@ public function get($logging_key) {
   /**
    * Empty the query log for the specified logging key.
    *
-   * This method does not stop logging, it simply clears the log.  To stop
+   * This method does not stop logging, it simply clears the log. To stop
    * logging, use the end() method.
    *
    * @param $logging_key
@@ -129,14 +129,14 @@ public function log(DatabaseStatementInterface $statement, $args, $time) {
    * Determine the routine that called this query.
    *
    * We define "the routine that called this query" as the first entry in
-   * the call stack that is not inside includes/database.  That makes the
+   * the call stack that is not inside includes/database. That makes the
    * climbing logic very simple, and handles the variable stack depth caused
    * by the query builders.
    *
    * @link http://www.php.net/debug_backtrace
    * @return
    *   This method returns a stack trace entry similar to that generated by
-   *   debug_backtrace().  However, it flattens the trace entry and the trace
+   *   debug_backtrace(). However, it flattens the trace entry and the trace
    *   entry before it so that we get the function and args of the function that
    *   called into the database system, not the function and args of the
    *   database call itself.
diff --git a/includes/database/mysql/query.inc b/includes/database/mysql/query.inc
index f468e486c14f07c20f2b9822fa8851a4b6e1f050..d48681316c61adeed9f41f616f46cfce5b35279d 100644
--- a/includes/database/mysql/query.inc
+++ b/includes/database/mysql/query.inc
@@ -66,7 +66,7 @@ public function __toString() {
       }
     }
     else {
-      // If there are no values, then this is a default-only query.  We still need to handle that.
+      // If there are no values, then this is a default-only query. We still need to handle that.
       $placeholders = array_fill(0, count($this->defaultFields), 'default');
       $values[] = '(' . implode(', ', $placeholders) .')';
     }
@@ -95,7 +95,7 @@ public function execute() {
 
     $max_placeholder = 0;
     $values = array();
-    // We assume that the order here is the same as in __toString().  If that's
+    // We assume that the order here is the same as in __toString(). If that's
     // not the case, then we have serious problems.
     foreach ($insert_fields as $value) {
       $values[':db_insert_placeholder_' . $max_placeholder++] = $value;
diff --git a/includes/database/mysql/schema.inc b/includes/database/mysql/schema.inc
index bbc9a9ca028075af0d2ab112a71b3640edabf679..3e19f05d008dcaba571948913a22d3d7d17d5ebf 100644
--- a/includes/database/mysql/schema.inc
+++ b/includes/database/mysql/schema.inc
@@ -136,7 +136,7 @@ protected function processField($field) {
   }
 
   public function getFieldTypeMap() {
-    // Put :normal last so it gets preserved by array_flip.  This makes
+    // Put :normal last so it gets preserved by array_flip. This makes
     // it much easier for modules (such as schema.module) to map
     // database types back into schema types.
     static $map = array(
diff --git a/includes/database/pgsql/database.inc b/includes/database/pgsql/database.inc
index 3513b293bc5b7dcc82814bb2fc818ce125e70a3a..822686ba1b60867f53f7d2ab01859e5fd658fa87 100644
--- a/includes/database/pgsql/database.inc
+++ b/includes/database/pgsql/database.inc
@@ -91,7 +91,7 @@ public function databaseType() {
 
   public function mapConditionOperator($operator) {
     static $specials = array(
-      // In PostgreSQL, 'LIKE' is case-sensitive.  For case-insensitive LIKE
+      // In PostgreSQL, 'LIKE' is case-sensitive. For case-insensitive LIKE
       // statements, we need to use ILIKE instead.
       'LIKE' => array('operator' => 'ILIKE'),
     );
diff --git a/includes/database/pgsql/query.inc b/includes/database/pgsql/query.inc
index 02cddda1e3d4ab38c12a721328a0cbdb38c9666e..726e590112a33cbbc6b11fbdacf4c0c30b7e301c 100644
--- a/includes/database/pgsql/query.inc
+++ b/includes/database/pgsql/query.inc
@@ -96,7 +96,7 @@ public function __toString() {
       }
     }
     else {
-      // If there are no values, then this is a default-only query.  We still need to handle that.
+      // If there are no values, then this is a default-only query. We still need to handle that.
       $placeholders = array_fill(0, count($this->defaultFields), 'default');
       $values[] = '(' . implode(', ', $placeholders) .')';
     }
diff --git a/includes/database/pgsql/schema.inc b/includes/database/pgsql/schema.inc
index c5aea743bf19bb78cd536312129f6317167e2e15..afad997a4c4e9789cff9e7b2c563c42fcb77bdc7 100644
--- a/includes/database/pgsql/schema.inc
+++ b/includes/database/pgsql/schema.inc
@@ -137,7 +137,7 @@ protected function processField($field) {
    * to the engine-specific data type.
    */
   function getFieldTypeMap() {
-    // Put :normal last so it gets preserved by array_flip.  This makes
+    // Put :normal last so it gets preserved by array_flip. This makes
     // it much easier for modules (such as schema.module) to map
     // database types back into schema types.
     $map = array(
@@ -235,7 +235,7 @@ public function dropTable(&$ret, $table) {
    * @param $keys_new
    *   Optional keys and indexes specification to be created on the
    *   table along with adding the field. The format is the same as a
-   *   table specification but without the 'fields' element.  If you are
+   *   table specification but without the 'fields' element. If you are
    *   adding a type 'serial' field, you MUST specify at least one key
    *   or index including it in this array. @see db_change_field for more
    *   explanation why.
@@ -424,7 +424,7 @@ public function dropIndex(&$ret, $table, $name) {
    * );
    * @endcode
    * and you want to change foo.bar to be type serial, leaving it as the
-   * primary key.  The correct sequence is:
+   * primary key. The correct sequence is:
    * @code
    * db_drop_primary_key($ret, 'foo');
    * db_change_field($ret, 'foo', 'bar', 'bar',
@@ -439,10 +439,10 @@ public function dropIndex(&$ret, $table, $name) {
    * sequences (from serial-type fields) that use the changed field to be dropped.
    *
    * On MySQL, all type 'serial' fields must be part of at least one key
-   * or index as soon as they are created.  You cannot use
+   * or index as soon as they are created. You cannot use
    * db_add_{primary_key,unique_key,index}() for this purpose because
    * the ALTER TABLE command will fail to add the column without a key
-   * or index specification.  The solution is to use the optional
+   * or index specification. The solution is to use the optional
    * $new_keys argument to create the key or index at the same time as
    * field.
    *
diff --git a/includes/database/query.inc b/includes/database/query.inc
index 1d5d2216cd22d1448c6909eec8ce8f98e1cf7444..396b59afb34be6f269a197c8a7b3985128331250 100644
--- a/includes/database/query.inc
+++ b/includes/database/query.inc
@@ -13,21 +13,21 @@ interface QueryConditionInterface {
   /**
    * Helper function to build most common conditional clauses.
    *
-   * This method can take a variable number of parameters.  If called with two
+   * This method can take a variable number of parameters. If called with two
    * parameters, they are taken as $field and $value with $operator having a value
    * of =.
    *
    * @param $field
    *   The name of the field to check.
    * @param $value
-   *   The value to test the field against.  In most cases, this is a scalar. For more
-   *   complex options, it is an array.  The meaning of each element in the array is
+   *   The value to test the field against. In most cases, this is a scalar. For more
+   *   complex options, it is an array. The meaning of each element in the array is
    *   dependent on the $operator.
    * @param $operator
-   *   The comparison operator, such as =, <, or >=.  It also accepts more complex
+   *   The comparison operator, such as =, <, or >=. It also accepts more complex
    *   options such as IN, LIKE, or BETWEEN.
    * @param $num_args
-   *   For internal use only.  This argument is used to track the recursive calls when
+   *   For internal use only. This argument is used to track the recursive calls when
    *   processing complex conditions.
    * @return
    *   The called object.
@@ -38,7 +38,7 @@ public function condition($field, $value = NULL, $operator = NULL);
    * Add an arbitrary WHERE clause to the query.
    *
    * @param $snippet
-   *   A portion of a WHERE clause as a prepared statement.  It must use named placeholders,
+   *   A portion of a WHERE clause as a prepared statement. It must use named placeholders,
    *   not ? placeholders.
    * @param $args
    *   An associative array of arguments.
@@ -50,7 +50,7 @@ public function where($snippet, $args = array());
   /**
    * Gets a complete list of all conditions in this conditional clause.
    *
-   * This method returns by reference.  That allows alter hooks to access the
+   * This method returns by reference. That allows alter hooks to access the
    * data structure directly and manipulate it before it gets compiled.
    *
    * The data structure that is returned is an indexed array of entries, where
@@ -100,10 +100,10 @@ interface QueryAlterableInterface {
   /**
    * Adds a tag to a query.
    *
-   * Tags are strings that identify a query.  A query may have any number of
-   * tags.  Tags are used to mark a query so that alter hooks may decide if they
-   * wish to take action.  Tags should be all lower-case and contain only letters,
-   * numbers, and underscore, and start with a letter.  That is, they should
+   * Tags are strings that identify a query. A query may have any number of
+   * tags. Tags are used to mark a query so that alter hooks may decide if they
+   * wish to take action. Tags should be all lower-case and contain only letters,
+   * numbers, and underscore, and start with a letter. That is, they should
    * follow the same rules as PHP identifiers in general.
    *
    * @param $tag
@@ -146,14 +146,14 @@ public function hasAnyTag();
    * Adds additional metadata to the query.
    *
    * Often, a query may need to provide additional contextual data to alter
-   * hooks.  Alter hooks may then use that information to decide if and how
+   * hooks. Alter hooks may then use that information to decide if and how
    * to take action.
    *
    * @param $key
-   *   The unique identifier for this piece of metadata.  Must be a string that
+   *   The unique identifier for this piece of metadata. Must be a string that
    *   follows the same rules as any other PHP identifier.
    * @param $object
-   *   The additional data to add to the query.  May be any valid PHP variable.
+   *   The additional data to add to the query. May be any valid PHP variable.
    *
    */
   public function addMetaData($key, $object);
@@ -219,7 +219,7 @@ class InsertQuery extends Query {
   protected $table;
 
   /**
-   * Whether or not this query is "delay-safe".  Different database drivers
+   * Whether or not this query is "delay-safe". Different database drivers
    * may or may not implement this feature in their own ways.
    *
    * @var boolean
@@ -243,10 +243,10 @@ class InsertQuery extends Query {
   /**
    * A nested array of values to insert.
    *
-   * $insertValues itself is an array of arrays.  Each sub-array is an array of
-   * field names to values to insert.  Whether multiple insert sets
+   * $insertValues itself is an array of arrays. Each sub-array is an array of
+   * field names to values to insert. Whether multiple insert sets
    * will be run in a single query or multiple queries is left to individual drivers
-   * to implement in whatever manner is most efficient.  The order of values in each
+   * to implement in whatever manner is most efficient. The order of values in each
    * sub-array must match the order of fields in $insertFields.
    *
    * @var string
@@ -263,18 +263,18 @@ public function __construct($connection, $table, array $options = array()) {
   /**
    * Add a set of field->value pairs to be inserted.
    *
-   * This method may only be called once.  Calling it a second time will be
-   * ignored.  To queue up multiple sets of values to be inserted at once,
+   * This method may only be called once. Calling it a second time will be
+   * ignored. To queue up multiple sets of values to be inserted at once,
    * use the values() method.
    *
    * @param $fields
-   *   An array of fields on which to insert.  This array may be indexed or
-   *   associative.  If indexed, the array is taken to be the list of fields.
+   *   An array of fields on which to insert. This array may be indexed or
+   *   associative. If indexed, the array is taken to be the list of fields.
    *   If associative, the keys of the array are taken to be the fields and
-   *   the values are taken to be corresponding values to insert.  If a
+   *   the values are taken to be corresponding values to insert. If a
    *   $values argument is provided, $fields must be indexed.
    * @param $values
-   *   An array of fields to insert into the database.  The values must be
+   *   An array of fields to insert into the database. The values must be
    *   specified in the same order as the $fields array.
    * @return
    *   The called object.
@@ -300,7 +300,7 @@ public function fields(array $fields, array $values = array()) {
    * Add another set of values to the query to be inserted.
    *
    * If $values is a numeric array, it will be assumed to be in the same
-   * order as the original fields() call.  If it is associative, it may be
+   * order as the original fields() call. If it is associative, it may be
    * in any order as long as the keys of the array match the names of the
    * fields.
    *
@@ -329,7 +329,7 @@ public function values(array $values) {
    *
    * If you want to force a given field to use the database-defined default,
    * not NULL or undefined, use this method to instruct the database to use
-   * default values explicitly.  In most cases this will not be necessary
+   * default values explicitly. In most cases this will not be necessary
    * unless you are inserting a row that is all default values, as you cannot
    * specify no values in an INSERT query.
    *
@@ -351,17 +351,17 @@ public function useDefaults(array $fields) {
    * Flag this query as being delay-safe or not.
    *
    * If this method is never called, it is assumed that the query must be
-   * executed immediately.  If delay is set to TRUE, then the query will be
+   * executed immediately. If delay is set to TRUE, then the query will be
    * flagged to run "delayed" or "low priority" on databases that support such
-   * capabilities.  In that case, the database will return immediately and the
-   * query will be run at some point in the future.  That makes it useful for
+   * capabilities. In that case, the database will return immediately and the
+   * query will be run at some point in the future. That makes it useful for
    * logging-style queries.
    *
    * If the database does not support delayed INSERT queries, this method
    * has no effect.
    *
    * Note that for a delayed query there is no serial ID returned, as it won't
-   * be created until later when the query runs.  It should therefore not be
+   * be created until later when the query runs. It should therefore not be
    * used if the value of the ID is known.
    *
    * @param $delay
@@ -378,9 +378,9 @@ public function delay($delay = TRUE) {
    * Executes the insert query.
    *
    * @return
-   *   The last insert ID of the query, if one exists.  If the query
+   *   The last insert ID of the query, if one exists. If the query
    *   was given multiple sets of values to insert, the return value is
-   *   undefined.  If the query is flagged "delayed", then the insert ID
+   *   undefined. If the query is flagged "delayed", then the insert ID
    *   won't be created until later when the query actually runs so the
    *   return value is also undefined. If no fields are specified, this
    *   method will do nothing and return NULL. That makes it safe to use
@@ -400,8 +400,8 @@ public function execute() {
       return NULL;
     }
 
-    // Each insert happens in its own query in the degenerate case.  However,
-    // we wrap it in a transaction so that it is atomic where possible.  On many
+    // Each insert happens in its own query in the degenerate case. However,
+    // we wrap it in a transaction so that it is atomic where possible. On many
     // databases, such as SQLite, this is also a notable performance boost.
     $transaction = $this->connection->startTransaction();
     $sql = (string)$this;
@@ -495,8 +495,8 @@ public function __construct($connection, $table, array $options = array()) {
   /**
    * Set the field->value pairs to be merged into the table.
    *
-   * This method should only be called once.  It may be called either
-   * with a single associative array or two indexed arrays.  If called
+   * This method should only be called once. It may be called either
+   * with a single associative array or two indexed arrays. If called
    * with an associative array, the keys are taken to be the fields
    * and the values are taken to be the corresponding values to set.
    * If called with two arrays, the first array is taken as the fields
@@ -505,7 +505,7 @@ public function __construct($connection, $table, array $options = array()) {
    * @param $fields
    *   An array of fields to set.
    * @param $values
-   *   An array of fields to set into the database.  The values must be
+   *   An array of fields to set into the database. The values must be
    *   specified in the same order as the $fields array.
    * @return
    *   The called object.
@@ -522,24 +522,24 @@ public function fields(array $fields, array $values = array()) {
   /**
    * Set the key field(s) to be used to insert or update into the table.
    *
-   * This method should only be called once.  It may be called either
-   * with a single associative array or two indexed arrays.  If called
+   * This method should only be called once. It may be called either
+   * with a single associative array or two indexed arrays. If called
    * with an associative array, the keys are taken to be the fields
    * and the values are taken to be the corresponding values to set.
    * If called with two arrays, the first array is taken as the fields
    * and the second array is taken as the corresponding values.
    *
-   * These fields are the "pivot" fields of the query.  Typically they
-   * will be the fields of the primary key.  If the record does not
+   * These fields are the "pivot" fields of the query. Typically they
+   * will be the fields of the primary key. If the record does not
    * yet exist, they will be inserted into the table along with the
-   * values set in the fields() method.  If the record does exist,
+   * values set in the fields() method. If the record does exist,
    * these fields will be used in the WHERE clause to select the
    * record to update.
    *
    * @param $fields
    *   An array of fields to set.
    * @param $values
-   *   An array of fields to set into the database.  The values must be
+   *   An array of fields to set into the database. The values must be
    *   specified in the same order as the $fields array.
    * @return
    *   The called object.
@@ -557,13 +557,13 @@ public function key(array $fields, array $values = array()) {
    * Specify fields to update in case of a duplicate record.
    *
    * If a record with the values in keys() already exists, the fields and values
-   * specified here will be updated in that record.  If this method is not called,
+   * specified here will be updated in that record. If this method is not called,
    * it defaults to the same values as were passed to the fields() method.
    *
    * @param $fields
    *   An array of fields to set.
    * @param $values
-   *   An array of fields to set into the database.  The values must be
+   *   An array of fields to set into the database. The values must be
    *   specified in the same order as the $fields array.
    * @return
    *   The called object.
@@ -586,7 +586,7 @@ public function update(array $fields, array $values = array()) {
    * is, calling this method is equivalent to calling update() with identical
    * parameters as fields() minus the keys specified here.
    *
-   * The update() method takes precedent over this method.  If update() is called,
+   * The update() method takes precedent over this method. If update() is called,
    * this method has no effect.
    *
    * @param $exclude_fields
@@ -609,14 +609,14 @@ public function updateExcept($exclude_fields) {
   /**
    * Specify fields to be updated as an expression.
    *
-   * Expression fields are cases such as counter=counter+1.  This method only
-   * applies if a duplicate key is detected.  This method takes precedent over
+   * Expression fields are cases such as counter=counter+1. This method only
+   * applies if a duplicate key is detected. This method takes precedent over
    * both update() and updateExcept().
    *
    * @param $field
    *   The field to set.
    * @param $expression
-   *   The field will be set to the value of this expression.  This parameter
+   *   The field will be set to the value of this expression. This parameter
    *   may include named placeholders.
    * @param $arguments
    *   If specified, this is an array of key/value pairs for named placeholders
@@ -638,7 +638,7 @@ public function execute() {
     // In the degenerate case of this query type, we have to run multiple
     // queries as there is no universal single-query mechanism that will work.
     // Our degenerate case is not designed for performance efficiency but
-    // for comprehensibility.  Any practical database driver will override
+    // for comprehensibility. Any practical database driver will override
     // this method with database-specific logic, so this function serves only
     // as a fallback to aid developers of new drivers.
 
@@ -712,7 +712,7 @@ class DeleteQuery extends Query implements QueryConditionInterface {
   protected $table;
 
   /**
-   * The condition object for this query.  Condition handling is handled via
+   * The condition object for this query. Condition handling is handled via
    * composition.
    *
    * @var DatabaseCondition
@@ -803,7 +803,7 @@ class UpdateQuery extends Query implements QueryConditionInterface {
   protected $arguments = array();
 
   /**
-   * The condition object for this query.  Condition handling is handled via
+   * The condition object for this query. Condition handling is handled via
    * composition.
    *
    * @var DatabaseCondition
@@ -861,7 +861,7 @@ public function compile(DatabaseConnection $connection) {
    * Add a set of field->value pairs to be updated.
    *
    * @param $fields
-   *   An associative array of fields to write into the database.  The array keys
+   *   An associative array of fields to write into the database. The array keys
    *   are the field names while the values are the values to which to set them.
    * @return
    *   The called object.
@@ -874,13 +874,13 @@ public function fields(array $fields) {
   /**
    * Specify fields to be updated as an expression.
    *
-   * Expression fields are cases such as counter=counter+1.  This method takes
+   * Expression fields are cases such as counter=counter+1. This method takes
    * precedence over fields().
    *
    * @param $field
    *   The field to set.
    * @param $expression
-   *   The field will be set to the value of this expression.  This parameter
+   *   The field will be set to the value of this expression. This parameter
    *   may include named placeholders.
    * @param $arguments
    *   If specified, this is an array of key/value pairs for named placeholders
@@ -968,7 +968,7 @@ public function __construct($conjunction) {
   }
 
   /**
-   * Return the size of this conditional.  This is part of the Countable interface.
+   * Return the size of this conditional. This is part of the Countable interface.
    *
    * The size of the conditional is the size of its conditional array minus
    * one, because one element is the the conjunction.
@@ -1014,9 +1014,9 @@ public function arguments() {
 
   public function compile(DatabaseConnection $connection) {
     // This value is static, so it will increment across the entire request
-    // rather than just this query.  That is OK, because we only need definitive
+    // rather than just this query. That is OK, because we only need definitive
     // placeholder names if we're going to use them for _alter hooks, which we
-    // are not.  The alter hook would intervene before compilation.
+    // are not. The alter hook would intervene before compilation.
     static $next_placeholder = 1;
 
     if ($this->changed) {
@@ -1061,7 +1061,7 @@ public function compile(DatabaseConnection $connection) {
               $arguments += $condition['value']->arguments();
             }
             // We assume that if there is a delimiter, then the value is an
-            // array.  If not, it is a scalar.  For simplicity, we first convert
+            // array. If not, it is a scalar. For simplicity, we first convert
             // up to an array so that we can build the placeholders in the same way.
             elseif (!$operator['delimiter']) {
               $condition['value'] = array($condition['value']);
@@ -1096,11 +1096,11 @@ public function __toString() {
    * Gets any special processing requirements for the condition operator.
    *
    * Some condition types require special processing, such as IN, because
-   * the value data they pass in is not a simple value.  This is a simple
+   * the value data they pass in is not a simple value. This is a simple
    * overridable lookup function.
    *
    * @param $operator
-   *   The condition operator, such as "IN", "BETWEEN", etc.  Case-sensitive.
+   *   The condition operator, such as "IN", "BETWEEN", etc. Case-sensitive.
    * @return
    *   The extra handling directives for the specified operator, or NULL.
    */
diff --git a/includes/database/schema.inc b/includes/database/schema.inc
index 6384993d6a51d543fe36a5b1b76f9732052c5a9b..d0c94ef2125572b393b0d0aaa8145d13b9e669e5 100644
--- a/includes/database/schema.inc
+++ b/includes/database/schema.inc
@@ -27,25 +27,25 @@
  *
  *   - 'description': A string describing this table and its purpose.
  *     References to other tables should be enclosed in
- *     curly-brackets.  For example, the node_revisions table
+ *     curly-brackets. For example, the node_revisions table
  *     description field might contain "Stores per-revision title and
  *     body data for each {node}."
  *   - 'fields': An associative array ('fieldname' => specification)
- *     that describes the table's database columns.  The specification
- *     is also an array.  The following specification parameters are defined:
+ *     that describes the table's database columns. The specification
+ *     is also an array. The following specification parameters are defined:
  *
  *     - 'description': A string describing this field and its purpose.
  *       References to other tables should be enclosed in
- *       curly-brackets.  For example, the node table vid field
+ *       curly-brackets. For example, the node table vid field
  *       description might contain "Always holds the largest (most
  *       recent) {node_revision}.vid value for this nid."
  *     - 'type': The generic datatype: 'varchar', 'int', 'serial'
- *       'float', 'numeric', 'text', 'blob' or 'datetime'.  Most types
+ *       'float', 'numeric', 'text', 'blob' or 'datetime'. Most types
  *       just map to the according database engine specific
- *       datatypes.  Use 'serial' for auto incrementing fields. This
+ *       datatypes. Use 'serial' for auto incrementing fields. This
  *       will expand to 'int auto_increment' on mysql.
  *     - 'size': The data size: 'tiny', 'small', 'medium', 'normal',
- *       'big'.  This is a hint about the largest value the field will
+ *       'big'. This is a hint about the largest value the field will
  *       store and determines which of the database engine specific
  *       datatypes will be used (e.g. on MySQL, TINYINT vs. INT vs. BIGINT).
  *       'normal', the default, selects the base type (e.g. on MySQL,
@@ -54,21 +54,21 @@
  *       Not all sizes are available for all data types. See
  *       db_type_map() for possible combinations.
  *     - 'not null': If true, no NULL values will be allowed in this
- *       database column.  Defaults to false.
- *     - 'default': The field's default value.  The PHP type of the
- *       value matters: '', '0', and 0 are all different.  If you
+ *       database column. Defaults to false.
+ *     - 'default': The field's default value. The PHP type of the
+ *       value matters: '', '0', and 0 are all different. If you
  *       specify '0' as the default value for a type 'int' field it
  *       will not work because '0' is a string containing the
  *       character "zero", not an integer.
  *     - 'length': The maximal length of a type 'varchar' or 'text'
- *       field.  Ignored for other field types.
+ *       field. Ignored for other field types.
  *     - 'unsigned': A boolean indicating whether a type 'int', 'float'
- *       and 'numeric' only is signed or unsigned.  Defaults to
- *       FALSE.  Ignored for other field types.
+ *       and 'numeric' only is signed or unsigned. Defaults to
+ *       FALSE. Ignored for other field types.
  *     - 'precision', 'scale': For type 'numeric' fields, indicates
  *       the precision (total number of significant digits) and scale
- *       (decimal digits right of the decimal point).  Both values are
- *       mandatory.  Ignored for other field types.
+ *       (decimal digits right of the decimal point). Both values are
+ *       mandatory. Ignored for other field types.
  *
  *     All parameters apart from 'type' are optional except that type
  *     'numeric' columns must specify 'precision' and 'scale'.
@@ -76,10 +76,10 @@
  *  - 'primary key': An array of one or more key column specifiers (see below)
  *    that form the primary key.
  *  - 'unique key': An associative array of unique keys ('keyname' =>
- *    specification).  Each specification is an array of one or more
+ *    specification). Each specification is an array of one or more
  *    key column specifiers (see below) that form a unique key on the table.
  *  - 'indexes':  An associative array of indexes ('indexame' =>
- *    specification).  Each specification is an array of one or more
+ *    specification). Each specification is an array of one or more
  *    key column specifiers (see below) that form an index on the
  *    table.
  *
@@ -88,7 +88,7 @@
  * of the named column.
  *
  * As an example, here is a SUBSET of the schema definition for
- * Drupal's 'node' table.  It show four fields (nid, vid, type, and
+ * Drupal's 'node' table. It show four fields (nid, vid, type, and
  * title), the primary key on field 'nid', a unique key named 'vid' on
  * field 'vid', and two indexes, one named 'nid' on field 'nid' and
  * one named 'node_title_type' on the field 'title' and the first four
@@ -180,7 +180,7 @@ abstract public function dropTable(&$ret, $table);
    * @param $keys_new
    *   Optional keys and indexes specification to be created on the
    *   table along with adding the field. The format is the same as a
-   *   table specification but without the 'fields' element.  If you are
+   *   table specification but without the 'fields' element. If you are
    *   adding a type 'serial' field, you MUST specify at least one key
    *   or index including it in this array. @see db_change_field for more
    *   explanation why.
@@ -321,7 +321,7 @@ abstract public function dropIndex(&$ret, $table, $name);
    * );
    * @endcode
    * and you want to change foo.bar to be type serial, leaving it as the
-   * primary key.  The correct sequence is:
+   * primary key. The correct sequence is:
    * @code
    * db_drop_primary_key($ret, 'foo');
    * db_change_field($ret, 'foo', 'bar', 'bar',
@@ -336,10 +336,10 @@ abstract public function dropIndex(&$ret, $table, $name);
    * sequences (from serial-type fields) that use the changed field to be dropped.
    *
    * On MySQL, all type 'serial' fields must be part of at least one key
-   * or index as soon as they are created.  You cannot use
+   * or index as soon as they are created. You cannot use
    * db_add_{primary_key,unique_key,index}() for this purpose because
    * the ALTER TABLE command will fail to add the column without a key
-   * or index specification.  The solution is to use the optional
+   * or index specification. The solution is to use the optional
    * $keys_new argument to create the key or index at the same time as
    * field.
    *
diff --git a/includes/database/select.inc b/includes/database/select.inc
index b9aa2fcf0e50420cfdb346416cf11498ea81c4f4..687d6f5e760ea5aeccfa8a901a982d7a19285279 100644
--- a/includes/database/select.inc
+++ b/includes/database/select.inc
@@ -28,8 +28,8 @@ class SelectQuery extends Query implements QueryConditionInterface, QueryAlterab
   /**
    * The tables against which to JOIN.
    *
-   * This property is a nested array.  Each entry is an array representing
-   * a single table against which to join.  The structure of each entry is:
+   * This property is a nested array. Each entry is an array representing
+   * a single table against which to join. The structure of each entry is:
    *
    * array(
    *   'type' => $join_type (one of INNER, LEFT OUTER, RIGHT OUTER),
@@ -40,7 +40,7 @@ class SelectQuery extends Query implements QueryConditionInterface, QueryAlterab
    *   'all_fields' => TRUE to SELECT $alias.*, FALSE or NULL otherwise.
    * )
    *
-   * If $table is a string, it is taken as the name of a table.  If it is
+   * If $table is a string, it is taken as the name of a table. If it is
    * a SelectQuery object, it is taken as a subquery.
    *
    * @var array
@@ -50,7 +50,7 @@ class SelectQuery extends Query implements QueryConditionInterface, QueryAlterab
   /**
    * The fields by which to order this query.
    *
-   * This is an associative array.  The keys are the fields to order, and the value
+   * This is an associative array. The keys are the fields to order, and the value
    * is the direction to order, either ASC or DESC.
    *
    * @var array
@@ -186,7 +186,7 @@ public function havingCompile(DatabaseConnection $connection) {
    * Returns a reference to the fields array for this query.
    *
    * Because this method returns by reference, alter hooks may edit the fields
-   * array directly to make their changes.  If just adding fields, however, the
+   * array directly to make their changes. If just adding fields, however, the
    * use of addField() is preferred.
    *
    * Note that this method must be called by reference as well:
@@ -206,7 +206,7 @@ public function &getFields() {
    * Returns a reference to the expressions array for this query.
    *
    * Because this method returns by reference, alter hooks may edit the expressions
-   * array directly to make their changes.  If just adding expressions, however, the
+   * array directly to make their changes. If just adding expressions, however, the
    * use of addExpression() is preferred.
    *
    * Note that this method must be called by reference as well:
@@ -226,7 +226,7 @@ public function &getExpressions() {
    * Returns a reference to the order by array for this query.
    *
    * Because this method returns by reference, alter hooks may edit the order-by
-   * array directly to make their changes.  If just adding additional ordering
+   * array directly to make their changes. If just adding additional ordering
    * fields, however, the use of orderBy() is preferred.
    *
    * Note that this method must be called by reference as well:
@@ -246,7 +246,7 @@ public function &getOrderBy() {
    * Returns a reference to the tables array for this query.
    *
    * Because this method returns by reference, alter hooks may edit the tables
-   * array directly to make their changes.  If just adding tables, however, the
+   * array directly to make their changes. If just adding tables, however, the
    * use of the join() methods is preferred.
    *
    * Note that this method must be called by reference as well:
@@ -318,14 +318,14 @@ public function distinct($distinct = TRUE) {
    * Adds a field to the list to be SELECTed.
    *
    * @param $table_alias
-   *   The name of the table from which the field comes, as an alias.  Generally
+   *   The name of the table from which the field comes, as an alias. Generally
    *   you will want to use the return value of join() here to ensure that it is
    *   valid.
    * @param $field
    *   The name of the field.
    * @param $alias
-   *   The alias for this field.  If not specified, one will be generated
-   *   automatically based on the $table_alias and $field.  The alias will be
+   *   The alias for this field. If not specified, one will be generated
+   *   automatically based on the $table_alias and $field. The alias will be
    *   checked for uniqueness, so the requested alias may not be the alias
    *   that is assigned in all cases.
    * @return
@@ -362,20 +362,20 @@ public function addField($table_alias, $field, $alias = NULL) {
   /**
    * Add multiple fields from the same table to be SELECTed.
    *
-   * This method does not return the aliases set for the passed fields.  In the
+   * This method does not return the aliases set for the passed fields. In the
    * majority of cases that is not a problem, as the alias will be the field
-   * name.  However, if you do need to know the alias you can call getFields()
-   * and examine the result to determine what alias was created.  Alternatively,
+   * name. However, if you do need to know the alias you can call getFields()
+   * and examine the result to determine what alias was created. Alternatively,
    * simply use addField() for the few fields you care about and this method for
    * the rest.
    *
    * @param $table_alias
-   *   The name of the table from which the field comes, as an alias.  Generally
+   *   The name of the table from which the field comes, as an alias. Generally
    *   you will want to use the return value of join() here to ensure that it is
    *   valid.
    * @param $fields
    *   An indexed array of fields present in the specified table that should be
-   *   included in this query.  If not specified, $table_alias.* will be generated
+   *   included in this query. If not specified, $table_alias.* will be generated
    *   without any aliases.
    * @return
    *   The called object.
@@ -406,15 +406,15 @@ public function fields($table_alias, array $fields = array()) {
   /**
    * Adds an expression to the list of "fields" to be SELECTed.
    *
-   * An expression can be any arbitrary string that is valid SQL.  That includes
-   * various functions, which may in some cases be database-dependant.  This
+   * An expression can be any arbitrary string that is valid SQL. That includes
+   * various functions, which may in some cases be database-dependant. This
    * method makes no effort to correct for database-specific functions.
    *
    * @param $expression
-   *   The expression string.  May contain placeholders.
+   *   The expression string. May contain placeholders.
    * @param $alias
-   *   The alias for this expression.  If not specified, one will be generated
-   *   automatically in the form "expression_#".  The alias will be checked for
+   *   The alias for this expression. If not specified, one will be generated
+   *   automatically in the form "expression_#". The alias will be checked for
    *   uniqueness, so the requested alias may not be the alias that is assigned
    *   in all cases.
    * @param $arguments
@@ -451,12 +451,12 @@ public function addExpression($expression, $alias = NULL, $arguments = array())
    * @param $table
    *   The table against which to join.
    * @param $alias
-   *   The alias for the table.  In most cases this should be the first letter
+   *   The alias for the table. In most cases this should be the first letter
    *   of the table, or the first letter of each "word" in the table.
    * @param $condition
-   *   The condition on which to join this table.  If the join requires values,
+   *   The condition on which to join this table. If the join requires values,
    *   this clause should use a named placeholder and the value or values to
-   *   insert should be passed in the 4th parameter.  For the first table joined
+   *   insert should be passed in the 4th parameter. For the first table joined
    *   on a query, this value is ignored as the first table is taken as the base
    *   table.
    * @param $arguments
@@ -474,12 +474,12 @@ public function join($table, $alias = NULL, $condition = NULL, $arguments = arra
    * @param $table
    *   The table against which to join.
    * @param $alias
-   *   The alias for the table.  In most cases this should be the first letter
+   *   The alias for the table. In most cases this should be the first letter
    *   of the table, or the first letter of each "word" in the table.
    * @param $condition
-   *   The condition on which to join this table.  If the join requires values,
+   *   The condition on which to join this table. If the join requires values,
    *   this clause should use a named placeholder and the value or values to
-   *   insert should be passed in the 4th parameter.  For the first table joined
+   *   insert should be passed in the 4th parameter. For the first table joined
    *   on a query, this value is ignored as the first table is taken as the base
    *   table.
    * @param $arguments
@@ -497,12 +497,12 @@ public function innerJoin($table, $alias = NULL, $condition = NULL, $arguments =
    * @param $table
    *   The table against which to join.
    * @param $alias
-   *   The alias for the table.  In most cases this should be the first letter
+   *   The alias for the table. In most cases this should be the first letter
    *   of the table, or the first letter of each "word" in the table.
    * @param $condition
-   *   The condition on which to join this table.  If the join requires values,
+   *   The condition on which to join this table. If the join requires values,
    *   this clause should use a named placeholder and the value or values to
-   *   insert should be passed in the 4th parameter.  For the first table joined
+   *   insert should be passed in the 4th parameter. For the first table joined
    *   on a query, this value is ignored as the first table is taken as the base
    *   table.
    * @param $arguments
@@ -520,12 +520,12 @@ public function leftJoin($table, $alias = NULL, $condition = NULL, $arguments =
    * @param $table
    *   The table against which to join.
    * @param $alias
-   *   The alias for the table.  In most cases this should be the first letter
+   *   The alias for the table. In most cases this should be the first letter
    *   of the table, or the first letter of each "word" in the table.
    * @param $condition
-   *   The condition on which to join this table.  If the join requires values,
+   *   The condition on which to join this table. If the join requires values,
    *   this clause should use a named placeholder and the value or values to
-   *   insert should be passed in the 4th parameter.  For the first table joined
+   *   insert should be passed in the 4th parameter. For the first table joined
    *   on a query, this value is ignored as the first table is taken as the base
    *   table.
    * @param $arguments
@@ -545,18 +545,18 @@ public function rightJoin($table, $alias = NULL, $condition = NULL, $arguments =
    * fields on which to join.
    *
    * @param $type
-   *   The type of join.  Typically one one of INNER, LEFT OUTER, and RIGHT OUTER.
+   *   The type of join. Typically one one of INNER, LEFT OUTER, and RIGHT OUTER.
    * @param $table
-   *   The table against which to join.  May be a string or another SelectQuery
-   *   object.  If a query object is passed, it will be used as a subselect.
+   *   The table against which to join. May be a string or another SelectQuery
+   *   object. If a query object is passed, it will be used as a subselect.
    * @param $alias
-   *   The alias for the table.  In most cases this should be the first letter
-   *   of the table, or the first letter of each "word" in the table.  If omitted,
+   *   The alias for the table. In most cases this should be the first letter
+   *   of the table, or the first letter of each "word" in the table. If omitted,
    *   one will be dynamically generated.
    * @param $condition
-   *   The condition on which to join this table.  If the join requires values,
+   *   The condition on which to join this table. If the join requires values,
    *   this clause should use a named placeholder and the value or values to
-   *   insert should be passed in the 4th parameter.  For the first table joined
+   *   insert should be passed in the 4th parameter. For the first table joined
    *   on a query, this value is ignored as the first table is taken as the base
    *   table.
    * @param $argments
@@ -602,7 +602,7 @@ public function addJoin($type, $table, $alias = NULL, $condition = NULL, $argume
    * @param $field
    *   The field on which to order.
    * @param $direction
-   *   The direction to sort.  Legal values are "ASC" and "DESC".
+   *   The direction to sort. Legal values are "ASC" and "DESC".
    * @return
    *   The called object.
    */
@@ -618,7 +618,7 @@ public function orderBy($field, $direction = 'ASC') {
    * directives that have been set.
    *
    * @param $start
-   *   The first record from the result set to return.  If NULL, removes any
+   *   The first record from the result set to return. If NULL, removes any
    *   range directives that are set.
    * @param $limit
    *   The number of records to return from the result set.
@@ -634,7 +634,7 @@ public function range($start = NULL, $length = NULL) {
    * Groups the result set by the specified field.
    *
    * @param $field
-   *   The field on which to group.  This should be the field as aliased.
+   *   The field on which to group. This should be the field as aliased.
    * @return
    *   The called object.
    */
@@ -649,7 +649,7 @@ public function groupBy($field) {
    *   A new SelectQuery object with no fields or expressions besides COUNT(*).
    */
   public function countQuery() {
-    // Shallow-clone this query.  We don't want to duplicate any of the
+    // Shallow-clone this query. We don't want to duplicate any of the
     // referenced objects, so a shallow query is all we need.
     $count = clone($this);
 
@@ -756,7 +756,7 @@ public function __toString() {
   }
 
   public function __clone() {
-    // On cloning, also clone the conditional objects.  However, we do not
+    // On cloning, also clone the conditional objects. However, we do not
     // want to clone the database connection object as that would duplicate the
     // connection itself.
 
diff --git a/includes/image.inc b/includes/image.inc
index 44eca9f3c7c5082aaff3fa61b8c88638d2e8eaa4..e9abe5eca94d99b50c790186e650e6b73a377f5f 100644
--- a/includes/image.inc
+++ b/includes/image.inc
@@ -23,7 +23,7 @@
  *
  * Image toolkits are discovered based on the associated module's
  * hook_image_toolkits. Additionally the image toolkit include file
- * must be identified in the files array in the module.info file.  The
+ * must be identified in the files array in the module.info file. The
  * toolkit must then be enabled using the admin/settings/image-toolkit
  * form.
  *
@@ -139,7 +139,7 @@ function image_get_info($file) {
 /**
  * Scales an image to the exact width and height given. Achieves the
  * target aspect ratio by cropping the original image equally on both
- * sides, or equally on the top and bottom.  This function is, for
+ * sides, or equally on the top and bottom. This function is, for
  * example, useful to create uniform sized avatars from larger images.
  *
  * The resulting image always has the exact target dimensions.
diff --git a/includes/install.inc b/includes/install.inc
index b17d563ead761b1b7d47e3b979a3a9c2f20be9b7..eb4f98460e3063000ba2d65faf787b012c2f8271 100644
--- a/includes/install.inc
+++ b/includes/install.inc
@@ -207,7 +207,7 @@ function drupal_detect_database_types() {
   $databases = array();
 
   // We define a driver as a directory in /includes/database that in turn
-  // contains a database.inc file.  That allows us to drop in additional drivers
+  // contains a database.inc file. That allows us to drop in additional drivers
   // without modifying the installer.
   // Because we have no registry yet, we need to also include the install.inc
   // file for the driver explicitly.
diff --git a/includes/menu.inc b/includes/menu.inc
index b1a099e994941b67e44383548c4f275ebba6be44..71de4ea987c628562ee37a4c033c65c041bb21cb 100644
--- a/includes/menu.inc
+++ b/includes/menu.inc
@@ -239,9 +239,9 @@
  * part of the path. If the bit is 1, then it represents the original
  * value while 0 means wildcard. If the path is node/12/edit/foo
  * then the 1011 bitstring represents node/%/edit/foo where % means that
- * any argument matches that part.  We limit ourselves to using binary
+ * any argument matches that part. We limit ourselves to using binary
  * numbers that correspond the patterns of wildcards of router items that
- * actually exists.  This list of 'masks' is built in menu_rebuild().
+ * actually exists. This list of 'masks' is built in menu_rebuild().
  *
  * @param $parts
  *   An array of path parts, for the above example
@@ -822,7 +822,7 @@ function menu_tree_output($tree) {
  * @param $menu_name
  *   The named menu links to return
  * @param $item
- *   A fully loaded menu link, or NULL.  If a link is supplied, only the
+ *   A fully loaded menu link, or NULL. If a link is supplied, only the
  *   path to root will be included in the returned tree- as if this link
  *   represented the current page in a visible menu.
  * @return
@@ -887,7 +887,7 @@ function menu_tree_all_data($menu_name = 'navigation', $item = NULL) {
         // Get all links in this menu.
         $parents = array();
       }
-      // Select the links from the table, and recursively build the tree.  We
+      // Select the links from the table, and recursively build the tree. We
       // LEFT JOIN since there is no match in {menu_router} for an external
       // link.
       $data['tree'] = menu_tree_data($query->execute(), $parents);
@@ -1621,7 +1621,7 @@ function menu_set_active_trail($new_trail = NULL) {
     if ($item['tab_parent']) {
       // The title of a local task is used for the tab, never the page title.
       // Thus, replace it with the item corresponding to the root path to get
-      // the relevant href and title.  For example, the menu item corresponding
+      // the relevant href and title. For example, the menu item corresponding
       // to 'admin' is used when on the 'By module' tab at 'admin/by-module'.
       $parts = explode('/', $item['tab_root']);
       $args = arg();
@@ -1759,7 +1759,7 @@ function menu_cache_clear($menu_name = 'navigation') {
 }
 
 /**
- * Clears all cached menu data.  This should be called any time broad changes
+ * Clears all cached menu data. This should be called any time broad changes
  * might have been made to the router items or menu links.
  */
 function menu_cache_clear_all() {
diff --git a/includes/module.inc b/includes/module.inc
index 92b77a5baf899e95061a0389c9b6c2ca9b55af24..c1355b3dd3a171ffea0b0ce8f9b37173cdcfb576 100644
--- a/includes/module.inc
+++ b/includes/module.inc
@@ -392,7 +392,7 @@ function module_hook($module, $hook) {
  *     MODULE_IMPLEMENTS_WRITE_CACHE: Write the stored list of hook
  *     implementations into the cache_registry table.
  * @param $sort
- *   By default, modules are ordered by weight and filename.  By setting this
+ *   By default, modules are ordered by weight and filename. By setting this
  *   option to TRUE, modules will be ordered by module name.
  * @return
  *   An array with the names of the modules which are implementing this hook.
diff --git a/includes/password.inc b/includes/password.inc
index d5dccc398bbb9d263d230bd6365fa2240e8d7be6..e82842634d1be2c984c3c9410061074dafbf1d0a 100644
--- a/includes/password.inc
+++ b/includes/password.inc
@@ -218,7 +218,7 @@ function user_check_password($password, $account) {
  * Check whether a user's hashed password needs to be replaced with a new hash.
  *
  * This is typically called during the login process when the plain text
- * password is available.  A new hash is needed when the desired iteration count
+ * password is available. A new hash is needed when the desired iteration count
  * has changed through a change in the variable password_count_log2 or
  * DRUPAL_HASH_COUNT or if the user's password hash was generated in an update
  * like user_update_7000().
diff --git a/includes/registry.inc b/includes/registry.inc
index a8a89f2179acb7e1000e2d9c2519330705834264..c3e88f1d0f94e5276f5fc8b55e7f4effeab33d23 100644
--- a/includes/registry.inc
+++ b/includes/registry.inc
@@ -25,10 +25,10 @@
 function _registry_rebuild() {
 
   // The registry serves as a central autoloader for all classes, including
-  // the database query builders.  However, the registry rebuild process
+  // the database query builders. However, the registry rebuild process
   // requires write ability to the database, which means having access to the
-  // query builders that require the registry in order to be loaded.  That
-  // causes a fatal race condition.  Therefore we manually include the
+  // query builders that require the registry in order to be loaded. That
+  // causes a fatal race condition. Therefore we manually include the
   // appropriate query builders for the currently active database before the
   // registry rebuild process runs.
   $connection_info = Database::getConnectionInfo();
@@ -173,7 +173,7 @@ function _registry_parse_file($filename, $contents, $module = '', $weight = 0) {
         );
         // Because some systems, such as cache, currently use duplicate function
         // names in separate files an insert query cannot be used here as it
-        // would cause a key constraint violation.  Instead we use a merge query.
+        // would cause a key constraint violation. Instead we use a merge query.
         // In practice this should not be an issue as those systems all initialize
         // pre-registry and therefore are never loaded by the registry so it
         // doesn't matter if those records in the registry table point to one
diff --git a/install.php b/install.php
index 05654a4e64dd392b4aef76dad48ceb5488bc3621..ac4531ca535d9ed9b7d063ed82d9e14f1e42d694 100644
--- a/install.php
+++ b/install.php
@@ -26,7 +26,7 @@
  */
 function install_main() {
   // The user agent header is used to pass a database prefix in the request when
-  // running tests.  However, for security reasons, it is imperative that no
+  // running tests. However, for security reasons, it is imperative that no
   // installation be permitted using such a prefix.
   if (preg_match("/^simpletest\d+$/", $_SERVER['HTTP_USER_AGENT'])) {
     header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
@@ -69,7 +69,7 @@ function install_main() {
     require_once DRUPAL_ROOT . '/includes/cache.inc';
     $conf['cache_inc'] = 'includes/cache.inc';
 
-    // Initialize the database system.  Note that the connection
+    // Initialize the database system. Note that the connection
     // won't be initialized until it is actually requested.
     require_once DRUPAL_ROOT . '/includes/database/database.inc';
 
@@ -741,7 +741,7 @@ function install_tasks($profile, $task) {
       // Build menu to allow clean URL check.
       menu_rebuild();
 
-      // Cache a fully-built schema.  This is necessary for any
+      // Cache a fully-built schema. This is necessary for any
       // invocation of index.php because: (1) setting cache table
       // entries requires schema information, (2) that occurs during
       // bootstrap before any module are loaded, so (3) if there is no
diff --git a/misc/textarea.js b/misc/textarea.js
index a1860c6c80179bb73f1a415088fec5f9f685b69c..246ca15715a9d27642760550f60cfb8dc9f6e851 100644
--- a/misc/textarea.js
+++ b/misc/textarea.js
@@ -9,7 +9,7 @@ Drupal.behaviors.textarea = {
       }
       var textarea = $(this).addClass('textarea-processed'), staticOffset = null;
 
-      // When wrapping the text area, work around an IE margin bug.  See:
+      // When wrapping the text area, work around an IE margin bug. See:
       // http://jaspan.com/ie-inherited-margin-bug-form-elements-and-haslayout
       $(this).wrap('<div class="resizable-textarea"><span></span></div>')
         .parent().append($('<div class="grippie"></div>').mousedown(startDrag));
diff --git a/modules/book/book.install b/modules/book/book.install
index 1036d962abc10c533c51c14781ddaed1d50fe46c..94de935bb00efeb76c2ce94d8b96c6d89d06b340 100644
--- a/modules/book/book.install
+++ b/modules/book/book.install
@@ -47,7 +47,7 @@ function _book_install_type_create() {
  * Drupal 5.x to 6.x update.
  *
  * This function moves any existing book hierarchy into the new structure used
- * in the 6.x module.  Rather than storing the hierarchy in the {book} table,
+ * in the 6.x module. Rather than storing the hierarchy in the {book} table,
  * the menu API is used to store the hierarchy in the {menu_links} table and the
  * {book} table serves to uniquely connect a node to a menu link.
  *
diff --git a/modules/book/book.module b/modules/book/book.module
index 835d214bc17c66ebea8e5f1950b9ee6b472a5412..64da2a5a9a0d7525ef583a7e13a2bc3149bf1ab8 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -575,7 +575,7 @@ function book_update_bid($book_link) {
  * @return
  *   A linear array of menu links in the order that the links are shown in the
  *   menu, so the previous and next pages are the elements before and after the
- *   element corresponding to $node.  The children of $node (if any) will come
+ *   element corresponding to $node. The children of $node (if any) will come
  *   immediately after it in the array.
  */
 function book_get_flat_menu($book_link) {
@@ -963,7 +963,7 @@ function _book_toc_recurse($tree, $indent, &$toc, $exclude, $depth_limit) {
  * @param $bid
  *   The ID of the book whose pages are to be listed.
  * @param $exclude
- *   Optional array of mlid values.  Any link whose mlid is in this array
+ *   Optional array of mlid values. Any link whose mlid is in this array
  *   will be excluded (along with its children).
  * @param $depth_limit
  *   Any link deeper than this value will be excluded (along with its children).
diff --git a/modules/book/book.pages.inc b/modules/book/book.pages.inc
index aa356837f0965fb454b0bde4bccef6107a0e5e06..a6139279a85cd12b76e1dbe6759f4dba4319fcfa 100644
--- a/modules/book/book.pages.inc
+++ b/modules/book/book.pages.inc
@@ -221,7 +221,7 @@ function book_remove_form_submit($form, &$form_state) {
 /**
  * AJAX callback to replace the book parent select options.
  *
- * This function is called when the selected book is changed.  It updates the
+ * This function is called when the selected book is changed. It updates the
  * cached form (either the node form or the book outline form) and returns
  * rendered output to be used to replace the select containing the possible
  * parent pages in the newly selected book.
diff --git a/modules/comment/comment.module b/modules/comment/comment.module
index e3e4d524338b6b838029ecabc62d759359568e23..4f47d9657ae5501e05d7ffa6acc3e543de4c81a0 100644
--- a/modules/comment/comment.module
+++ b/modules/comment/comment.module
@@ -1508,7 +1508,7 @@ function comment_form(&$form_state, $edit, $title = NULL) {
   );
 
   // Only show the save button if comment previews are optional or if we are
-  // already previewing the submission.  However, if there are form errors,
+  // already previewing the submission. However, if there are form errors,
   // we hide the save button no matter what, so that optional form elements
   // (e.g., captchas) can be updated.
   if (!form_get_errors() && ((variable_get('comment_preview_' . $node->type, COMMENT_PREVIEW_REQUIRED) == COMMENT_PREVIEW_OPTIONAL) || ($op == t('Preview')) || ($op == t('Save')))) {
diff --git a/modules/filter/filter.api.php b/modules/filter/filter.api.php
index a02c5a2fb7b059afd565db17eb9667334b2e32a1..b92d00f79cfc8bf21d737b60a7bf11a096f8664d 100644
--- a/modules/filter/filter.api.php
+++ b/modules/filter/filter.api.php
@@ -92,7 +92,7 @@
  * @param $text
  *   The content to filter (applies to 'prepare' and 'process').
  * @param $langcode
- *   The language code associated with the content, e.g. 'en' for English.  This
+ *   The language code associated with the content, e.g. 'en' for English. This
  *   enables filters to be language aware and can be used to implement language
  *   specific text replacements.
  * @param $cache_id
diff --git a/modules/filter/filter.module b/modules/filter/filter.module
index cb2e3b616bcd31c8ab2addcbbe63b298e176df42..ae07a624831d70817bd7702d6603170b382c6ae7 100644
--- a/modules/filter/filter.module
+++ b/modules/filter/filter.module
@@ -412,7 +412,7 @@ function filter_list_format($format) {
  *    the default format.
  * @param $langcode
  *    Optional: the language code of the text to be filtered, e.g. 'en' for
- *    English.  This allows filters to be language aware so language specific
+ *    English. This allows filters to be language aware so language specific
  *    text replacement can be implemented.
  * @param $check
  *    Whether to check the $format with filter_access() first. Defaults to TRUE.
diff --git a/modules/filter/filter.pages.inc b/modules/filter/filter.pages.inc
index 1e8904384c39fb35992bb57931f8e1ac29e6aac6..4a1512ff19f3b31adbfa6d4fa697eea32f65346a 100644
--- a/modules/filter/filter.pages.inc
+++ b/modules/filter/filter.pages.inc
@@ -42,7 +42,7 @@ function filter_tips_long() {
  * @param $long
  *   (optional) Whether the passed in filter tips contain extended explanations,
  *   i.e. intended to be output on the path 'filter/tips' (TRUE), or are in a
- *   short format, i.e. suitable to be displayed below a form element.  Defaults
+ *   short format, i.e. suitable to be displayed below a form element. Defaults
  *   to FALSE.
  *
  * @see _filter_tips()
diff --git a/modules/forum/forum.install b/modules/forum/forum.install
index a7a6e99f8b1c2be5d36eabf1b9e94128824c4223..9daac0310b22fc551ed80939a0e645d2742d0dbb 100644
--- a/modules/forum/forum.install
+++ b/modules/forum/forum.install
@@ -103,7 +103,7 @@ function forum_schema() {
 /**
  * Create the forum vocabulary if does not exist. Assign the
  * vocabulary a low weight so it will appear first in forum topic
- * create and edit forms.  Do not just call forum_enable() because in
+ * create and edit forms. Do not just call forum_enable() because in
  * future versions it might do something different.
  */
 function forum_update_6000() {
diff --git a/modules/forum/forum.module b/modules/forum/forum.module
index 13ccfda3d1b19a16d43ba46ad8180bd607b3c3b3..b70e528159ef9b83ea16b95296dfd2a6b187f574 100644
--- a/modules/forum/forum.module
+++ b/modules/forum/forum.module
@@ -165,7 +165,7 @@ function forum_init() {
  */
 function _forum_nodeapi_check_node_type($node, $vocabulary) {
   // We are going to return if $node->type is not one of the node
-  // types assigned to the forum vocabulary.  If forum_nav_vocabulary
+  // types assigned to the forum vocabulary. If forum_nav_vocabulary
   // is undefined or the vocabulary does not exist, it clearly cannot
   // be assigned to $node->type, so return to avoid E_ALL warnings.
   if (empty($vocabulary)) {
diff --git a/modules/help/help.api.php b/modules/help/help.api.php
index 387fb90cad80f7cb491aad81bb408917ce01dce0..08e35f431663ab555c9600e51a67e371e6ffee80 100644
--- a/modules/help/help.api.php
+++ b/modules/help/help.api.php
@@ -34,11 +34,11 @@
  *   An array that corresponds to the return of the arg() function - if a module
  *   needs to provide help for a page with additional parameters after the
  *   Drupal path or help for a specific value for a wildcard in the path, then
- *   the values in this array can be referenced.  For example you could provide
- *   help for user/1 by looking for the path user/% and $arg[1] == '1'.  This
+ *   the values in this array can be referenced. For example you could provide
+ *   help for user/1 by looking for the path user/% and $arg[1] == '1'. This
  *   array should always be used rather than directly invoking arg(). Note that
  *   depending on which module is invoking hook_help, $arg may contain only,
- *   empty strings.  Regardless, $arg[0] to $arg[11] will always be set.
+ *   empty strings. Regardless, $arg[0] to $arg[11] will always be set.
  * @return
  *   A localized string containing the help text. Every web link, l(), or
  *   url() must be replaced with %something and put into the final t()
diff --git a/modules/locale/locale.install b/modules/locale/locale.install
index 8b16c4929d7f5f1365caa5070e14e63a994b976e..de8f6fe98c694187dd131f235c5d19584a7ecd14 100644
--- a/modules/locale/locale.install
+++ b/modules/locale/locale.install
@@ -117,7 +117,7 @@ function locale_update_6000() {
 /**
  * Change locale column to language. The language column is added by
  * update_fix_d6_requirements() in update.php to avoid a large number
- * of error messages from update.php.  All we need to do here is copy
+ * of error messages from update.php. All we need to do here is copy
  * locale to language and then drop locale.
  */
 function locale_update_6001() {
diff --git a/modules/locale/locale.test b/modules/locale/locale.test
index 932cde2272700537a7a5713617c3f15e8b7430ae..4936d14eb5008533fe468e77fafec156d14089e9 100644
--- a/modules/locale/locale.test
+++ b/modules/locale/locale.test
@@ -5,7 +5,7 @@ class LocaleTestCase extends DrupalWebTestCase {
   function getInfo() {
     return array(
       'name' => t('String translate and validate'),
-      'description' => 'Adds a new locale and translates its name.  Checks the validation of translation strings.',
+      'description' => 'Adds a new locale and translates its name. Checks the validation of translation strings.',
       'group' => 'Locale',
     );
   }
diff --git a/modules/menu/menu.api.php b/modules/menu/menu.api.php
index 7c1543a6de81b342c747cdf0f6f1dc50effdd7e7..c69eaa79d6bbc5c0ff465c882f513fe2b6dca1aa 100644
--- a/modules/menu/menu.api.php
+++ b/modules/menu/menu.api.php
@@ -32,7 +32,7 @@
  *     visits the path. If omitted, the parent menu item's callback will be used
  *     instead.
  *   - "page arguments": An array of arguments to pass to the page callback
- *     function.  Integer values pass the corresponding URL component (see arg()).
+ *     function. Integer values pass the corresponding URL component (see arg()).
  *   - "access callback": A  function returning a boolean value that determines
  *     whether the user has access rights to this menu item. Defaults to
  *     user_access() unless a value is inherited from a parent menu item..
@@ -85,8 +85,8 @@ function hook_menu() {
  * Alter the data being saved to the {menu_router} table after hook_menu is invoked.
  *
  * This hook is invoked by menu_router_build(). The menu definitions are passed
- * in by reference.  Each element of the $callbacks array is one item returned
- * by a module from hook_menu.  Additional items may be added, or existing items
+ * in by reference. Each element of the $callbacks array is one item returned
+ * by a module from hook_menu. Additional items may be added, or existing items
  * altered.
  *
  * @param $callbacks
@@ -125,7 +125,7 @@ function hook_menu_link_alter(&$item, $menu) {
  *
  * This hook may be used, for example, to add a page-specific query string.
  * For performance reasons, only links that have $item['options']['alter'] == TRUE
- * will be passed into this hook.  The $item['options']['alter'] flag should
+ * will be passed into this hook. The $item['options']['alter'] flag should
  * generally be set using hook_menu_link_alter().
  *
  * @param $item
diff --git a/modules/node/content_types.inc b/modules/node/content_types.inc
index ab8dfa8746770b39c4fc5b092a806eccecffc99a..be1dd765461c7c9222c3fc5a97df1edd877a82a2 100644
--- a/modules/node/content_types.inc
+++ b/modules/node/content_types.inc
@@ -54,7 +54,7 @@ function theme_node_admin_overview($name, $type) {
 function node_type_form(&$form_state, $type = NULL) {
   drupal_add_js(drupal_get_path('module', 'node') .'/content_types.js');
   if (!isset($type->type)) {
-    // This is a new type.  Node module managed types are custom and unlocked.
+    // This is a new type. Node module managed types are custom and unlocked.
     $type = node_type_set_defaults(array('custom' => 1, 'locked' => 0));
   }
 
diff --git a/modules/node/node.admin.inc b/modules/node/node.admin.inc
index c617948947f7c5c8d5c1c04dc545d1bf085f7d01..88a538d005e069ed60ca7f9f38e6e9c17ea86fad 100644
--- a/modules/node/node.admin.inc
+++ b/modules/node/node.admin.inc
@@ -561,7 +561,7 @@ function node_admin_nodes_submit($form, &$form_state) {
     cache_clear_all();
   }
   else {
-    // We need to rebuild the form to go to a second step.  For example, to
+    // We need to rebuild the form to go to a second step. For example, to
     // show the confirmation form for the deletion of nodes.
     $form_state['rebuild'] = TRUE;
   }
diff --git a/modules/node/node.api.php b/modules/node/node.api.php
index df95d26aa161368d151fd35e2307e06037c0f3dd..2c8f43387a9861abf249b6a21c9dce366bff407e 100644
--- a/modules/node/node.api.php
+++ b/modules/node/node.api.php
@@ -739,8 +739,8 @@ function hook_update($node) {
  * this module), use hook_nodeapi() instead.
  *
  * Changes made to the $node object within a hook_validate() function will
- * have no effect.  The preferred method to change a node's content is to use
- * hook_submit() or hook_nodeapi($op='submit') instead.  If it is really
+ * have no effect. The preferred method to change a node's content is to use
+ * hook_submit() or hook_nodeapi($op='submit') instead. If it is really
  * necessary to change the node at the validate stage, you can use function
  * form_set_value().
  *
diff --git a/modules/node/node.module b/modules/node/node.module
index c657a1548a00118eaebd724d225fbcbcb640f9bd..db7871d4942a27950a5b96357c3ad2f9e73bbc3a 100644
--- a/modules/node/node.module
+++ b/modules/node/node.module
@@ -382,7 +382,7 @@ function node_teaser($body, $format = NULL, $size = NULL) {
   // Initialize it to maximum in order to find the minimum.
   $min_rpos = $max_rpos;
 
-  // Store the reverse of the teaser.  We use strpos on the reversed needle and
+  // Store the reverse of the teaser. We use strpos on the reversed needle and
   // haystack for speed and convenience.
   $reversed = strrev($teaser);
 
@@ -417,7 +417,7 @@ function node_teaser($body, $format = NULL, $size = NULL) {
 
     // If a break point was found in this group, slice and return the teaser.
     if ($min_rpos !== $max_rpos) {
-      // Don't slice with length 0.  Length must be <0 to slice from RHS.
+      // Don't slice with length 0. Length must be <0 to slice from RHS.
       return ($min_rpos === 0) ? $teaser : substr($teaser, 0, 0 - $min_rpos);
     }
   }
@@ -1003,7 +1003,7 @@ function node_save(&$node) {
 
     // When inserting a node, $node->log must be set because
     // {node_revision}.log does not (and cannot) have a default
-    // value.  If the user does not have permission to create
+    // value. If the user does not have permission to create
     // revisions, however, the form will not contain an element for
     // log so $node->log will be unset at this point.
     if (!isset($node->log)) {
@@ -1011,7 +1011,7 @@ function node_save(&$node) {
     }
 
     // For the same reasons, make sure we have $node->teaser and
-    // $node->body.  We should consider making these fields nullable
+    // $node->body. We should consider making these fields nullable
     // in a future version since node types are not required to use them.
     if (!isset($node->teaser)) {
       $node->teaser = '';
@@ -3012,4 +3012,4 @@ function node_elements() {
  */
 function theme_node_links($element) {
   return theme('links', $element['#value'],  array('class' => 'links inline'));
-}
\ No newline at end of file
+}
diff --git a/modules/search/search.module b/modules/search/search.module
index 8c3f496cacd066f6b6bad105c114cc8137af9b40..13193fdb4123679392f0ea4df9d7f9fe0da63804 100644
--- a/modules/search/search.module
+++ b/modules/search/search.module
@@ -434,7 +434,7 @@ function search_index($sid, $type, $text) {
   global $base_url;
   $node_regexp = '@href=[\'"]?(?:' . preg_quote($base_url, '@') . '/|' . preg_quote(base_path(), '@') . ')(?:\?q=)?/?((?![a-z]+:)[^\'">]+)[\'">]@i';
 
-  // Multipliers for scores of words inside certain HTML tags.  The weights are stored
+  // Multipliers for scores of words inside certain HTML tags. The weights are stored
   // in a variable so that modules can overwrite the default weights.
   // Note: 'a' must be included for link ranking to work.
   $tags = variable_get('search_tag_weights', array(
@@ -585,7 +585,7 @@ function search_index($sid, $type, $text) {
   // Insert results into search index
   foreach ($results[0] as $word => $score) {
     // If a word already exists in the database, its score gets increased
-    // appropriately.  If not, we create a new record with the appropriate
+    // appropriately. If not, we create a new record with the appropriate
     // starting score.
     db_merge('search_index')->key(array(
       'word' => $word,
@@ -656,7 +656,7 @@ function search_nodeapi_update_index($node) {
  * Implementation of hook_nodeapi_update().
  */
 function search_nodeapi_update($node) {
-  // Reindex the node when it is updated.  The node is automatically indexed
+  // Reindex the node when it is updated. The node is automatically indexed
   // when it is added, simply by being added to the node table.
   search_touch_node($node->nid);
 }
@@ -880,7 +880,7 @@ function _search_parse_query(&$word, &$scores, $not = FALSE) {
  * indexed search (and thus, implements hook_update_index()).
  *
  * Results are retrieved in two logical passes. However, the two passes are
- * joined together into a single query.  And in the case of most simple
+ * joined together into a single query. And in the case of most simple
  * queries the second pass is not even used.
  *
  * The first pass selects a set of all possible matches, which has the benefit
diff --git a/modules/simpletest/drupal_web_test_case.php b/modules/simpletest/drupal_web_test_case.php
index 60382b6bf50715927e007329b4399fd414f87803..0185c632c42d62552cfecfbbf27b8762671622f9 100644
--- a/modules/simpletest/drupal_web_test_case.php
+++ b/modules/simpletest/drupal_web_test_case.php
@@ -806,7 +806,7 @@ protected function setUp() {
     drupal_install_modules($modules);
 
     // Because the schema is static cached, we need to flush
-    // it between each run.  If we don't, then it will contain
+    // it between each run. If we don't, then it will contain
     // stale data for the previous run's database prefix and all
     // calls to it will fail.
     drupal_get_schema(NULL, TRUE);
@@ -1033,8 +1033,8 @@ protected function parse() {
   protected function drupalGet($path, array $options = array(), array $headers = array()) {
     $options['absolute'] = TRUE;
 
-    // We re-using a CURL connection here.  If that connection still has certain
-    // options set, it might change the GET into a POST.  Make sure we clear out
+    // We re-using a CURL connection here. If that connection still has certain
+    // options set, it might change the GET into a POST. Make sure we clear out
     // previous options.
     $out = $this->curlExec(array(CURLOPT_HTTPGET => TRUE, CURLOPT_URL => url($path, $options), CURLOPT_NOBODY => FALSE, CURLOPT_HTTPHEADER => $headers));
     $this->refreshVariables(); // Ensure that any changes to variables in the other thread are picked up.
diff --git a/modules/simpletest/tests/database_test.test b/modules/simpletest/tests/database_test.test
index 66087f49b1b1ce71a782fae1dff3777ebbb8645d..6d35acc90aa301c0dee78888d894d9d22b1da73e 100644
--- a/modules/simpletest/tests/database_test.test
+++ b/modules/simpletest/tests/database_test.test
@@ -5,8 +5,8 @@
  * Dummy class for fetching into a class.
  *
  * PDO supports using a new instance of an arbitrary class for records
- * rather than just a stdClass or array.  This class is for testing that
- * functionality.  (See testQueryFetchClass() below)
+ * rather than just a stdClass or array. This class is for testing that
+ * functionality. (See testQueryFetchClass() below)
  */
 class FakeRecord { }
 
@@ -941,7 +941,7 @@ class DatabaseMergeTestCase extends DatabaseTestCase {
     // This is a very contrived example, as I have no idea why you'd want to
     // change age this way, but that's beside the point.
     // Note that we are also double-setting age here, once as a literal and
-    // once as an expression.  This test will only pass if the expression wins,
+    // once as an expression. This test will only pass if the expression wins,
     // which is what is supposed to happen.
     db_merge('test_people')
       ->key(array('job' => 'Speaker'))
@@ -1446,7 +1446,7 @@ class DatabaseSelectComplexTestCase extends DatabaseTestCase {
   function testNestedConditions() {
     // This query should translate to:
     // "SELECT job FROM {test} WHERE name = 'Paul' AND (age = 26 OR age = 27)"
-    // That should find only one record.  Yes it's a non-optimal way of writing
+    // That should find only one record. Yes it's a non-optimal way of writing
     // that query but that's not the point!
     $query = db_select('test');
     $query->addField('test', 'job');
diff --git a/modules/system/system.api.php b/modules/system/system.api.php
index 5160fe19aa06d13db90cf73f779ab782fa2a8ebd..d2b280790dc1664ac99d33efa31193d4b241806d 100644
--- a/modules/system/system.api.php
+++ b/modules/system/system.api.php
@@ -1300,7 +1300,7 @@ function hook_requirements($phase) {
  * details on schema definition structures.
  *
  * @return
- * A schema definition structure array.  For each element of the
+ * A schema definition structure array. For each element of the
  * array, the key is a table name and the value is a table structure
  * definition.
  */
diff --git a/modules/system/system.install b/modules/system/system.install
index 0e9d8e4d7e9d30708880743fb46b4e2c6c05174b..b224e2e0618f9c09bed510b7c1a3b574991e6a1c 100644
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -1330,7 +1330,7 @@ function system_update_6000() {
 function system_update_6001() {
   $ret = array();
 
-  // Add vid to term-node relation.  The schema says it is unsigned.
+  // Add vid to term-node relation. The schema says it is unsigned.
   db_add_field($ret, 'term_node', 'vid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0));
   db_drop_primary_key($ret, 'term_node');
   db_add_primary_key($ret, 'term_node', array('vid', 'tid', 'nid'));
@@ -1362,13 +1362,13 @@ function system_update_6003() {
 
 /**
  * This update used to add an index on users created column (#127941).
- * However, system_update_1022() does the same thing.  This update
+ * However, system_update_1022() does the same thing. This update
  * tried to detect if 1022 had already run but failed to do so,
  * resulting in an "index already exists" error.
  *
- * Adding the index here is never necessary.  Sites installed before
- * 1022 will run 1022, getting the update.  Sites installed on/after 1022
- * got the index when the table was first created.  Therefore, this
+ * Adding the index here is never necessary. Sites installed before
+ * 1022 will run 1022, getting the update. Sites installed on/after 1022
+ * got the index when the table was first created. Therefore, this
  * function is now a no-op.
  */
 function system_update_6004() {
@@ -1386,16 +1386,16 @@ function system_update_6005() {
 
       // As of system.install:1.85 (before the new language
       // subsystem), new installs got a unique key named
-      // url_alias_dst_key on url_alias.dst.  Unfortunately,
+      // url_alias_dst_key on url_alias.dst. Unfortunately,
       // system_update_162 created a unique key inconsistently named
       // url_alias_dst_idx on url_alias.dst (keys should have the _key
-      // suffix, indexes the _idx suffix).  Therefore, sites installed
+      // suffix, indexes the _idx suffix). Therefore, sites installed
       // before system_update_162 have a unique key with a different
-      // name than sites installed after system_update_162().  Now, we
+      // name than sites installed after system_update_162(). Now, we
       // want to drop the unique key on dst which may have either one
       // of two names and create a new unique key on (dst, language).
       // There is no way to know which key name exists so we have to
-      // drop both, causing an SQL error.  Thus, we just hide the
+      // drop both, causing an SQL error. Thus, we just hide the
       // error and only report the update_sql results that work.
       $err = error_reporting(0);
       $ret1 = update_sql('DROP INDEX {url_alias}_dst_idx');
@@ -1456,9 +1456,9 @@ function system_update_6007() {
 }
 
 /**
- * Add info files to themes.  The info and owner columns are added by
+ * Add info files to themes. The info and owner columns are added by
  * update_fix_d6_requirements() in update.php to avoid a large number
- * of error messages from update.php.  All we need to do here is copy
+ * of error messages from update.php. All we need to do here is copy
  * description to owner and then drop description.
  */
 function system_update_6008() {
@@ -1527,7 +1527,7 @@ function system_update_6011() {
 }
 
 /**
- * Add serialized field to cache tables.  This is now handled directly
+ * Add serialized field to cache tables. This is now handled directly
  * by update.php, so this function is a no-op.
  */
 function system_update_6012() {
@@ -1690,11 +1690,11 @@ function system_update_6018() {
  * and pgsql schemas so they are the same and can be represented by a
  * single schema structure.
  *
- * Note that the mysql and pgsql cases make different changes.  This
+ * Note that the mysql and pgsql cases make different changes. This
  * is because each schema needs to be tweaked in different ways to
- * conform to the new schema structure.  Also, since they operate on
+ * conform to the new schema structure. Also, since they operate on
  * tables defined by many optional core modules which may not ever
- * have been installed, they must test each table for existence.  If
+ * have been installed, they must test each table for existence. If
  * the modules are first installed after this update exists the tables
  * will be created from the schema structure and will start out
  * correct.
@@ -1728,10 +1728,10 @@ function system_update_6019() {
         db_change_field($ret, 'search_total', 'count', 'count', array('type' => 'float'));
       }
 
-      // Replace unique index dst_language with a unique constraint.  The
+      // Replace unique index dst_language with a unique constraint. The
       // result is the same but the unique key fits our current schema
-      // structure.  Also, the postgres documentation implies that
-      // unique constraints are preferable to unique indexes.  See
+      // structure. Also, the postgres documentation implies that
+      // unique constraints are preferable to unique indexes. See
       // http://www.postgresql.org/docs/8.2/interactive/indexes-unique.html.
       if (db_table_exists('url_alias')) {
         db_drop_index($ret, 'url_alias', 'dst_language');
@@ -2015,7 +2015,7 @@ function system_update_6021() {
     $menu_primary_menu = variable_get('menu_primary_menu', 0);
     // Ensure that we wind up with a system menu named 'primary-links'.
     if (isset($_SESSION['menu_menu_map'][2])) {
-      // The primary links menu that ships with Drupal 5 has mid = 2.  If this
+      // The primary links menu that ships with Drupal 5 has mid = 2. If this
       // menu hasn't been deleted by the site admin, we use that.
       $updated_primary_links_menu = 2;
     }
@@ -2232,14 +2232,14 @@ function system_update_6028() {
 function system_update_6029() {
   // The watchdog table is now owned by dblog, which is not yet
   // "installed" according to the system table, but the table already
-  // exists.  We set the module as "installed" here to avoid an error
+  // exists. We set the module as "installed" here to avoid an error
   // later.
   //
   // Although not the case for the initial D6 release, it is likely
   // that dblog.install will have its own update functions eventually.
   // However, dblog did not exist in D5 and this update is part of the
   // initial D6 release, so we know that dblog is not installed yet.
-  // It is therefore correct to install it as version 0.  If
+  // It is therefore correct to install it as version 0. If
   // dblog updates exist, the next run of update.php will get them.
   drupal_set_installed_schema_version('dblog', 0);
   module_enable(array('dblog'));
@@ -2313,7 +2313,7 @@ function system_update_6033() {
   if (db_table_exists('node_comment_statistics')) {
     // On pgsql but not mysql, db_change_field() drops all keys
     // involving the changed field, which in this case is the primary
-    // key.  The normal approach is explicitly drop the pkey, change the
+    // key. The normal approach is explicitly drop the pkey, change the
     // field, and re-create the pkey.
     //
     // Unfortunately, in this case that won't work on mysql; we CANNOT
@@ -2321,7 +2321,7 @@ function system_update_6033() {
     // included in at least one key or index.
     //
     // Since we cannot drop the pkey before db_change_field(), after
-    // db_change_field() we may or may not still have a pkey.  The
+    // db_change_field() we may or may not still have a pkey. The
     // simple way out is to re-create the pkey only when using pgsql.
     // Realistic requirements trump idealistic purity.
     db_change_field($ret, 'node_comment_statistics', 'nid', 'nid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0));
@@ -2519,7 +2519,7 @@ function system_update_6043() {
   db_add_index($ret, 'flood', 'allow', array('event', 'hostname', 'timestamp'));
   db_add_index($ret, 'history', 'nid', array('nid'));
   // Change length of theme field in {blocks} to be consistent with module, and
-  // to avoid a MySQL error regarding a too-long index.  Also add new indices.
+  // to avoid a MySQL error regarding a too-long index. Also add new indices.
   db_change_field($ret, 'blocks', 'theme', 'theme', array('type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'default' => ''),array(
                   'unique keys' => array('tmd' => array('theme', 'module', 'delta'),),
                   'indexes' => array('list' => array('theme', 'status', 'region', 'weight', 'module'),),));
diff --git a/modules/trigger/trigger.api.php b/modules/trigger/trigger.api.php
index e33ce2205aa509d2c3c27081ac8697b4cfc9eea6..e495513a3cb741ac8bbfa43ae9afa4c166bdddf9 100644
--- a/modules/trigger/trigger.api.php
+++ b/modules/trigger/trigger.api.php
@@ -28,12 +28,12 @@
  *    following key-value pairs:
  *     - 'type': (required) the type is determined by what object the action
  *       acts on. Possible choices are node, user, comment, and system. Or
- *       whatever your own custom type is.  So, for the nodequeue module, the
+ *       whatever your own custom type is. So, for the nodequeue module, the
  *       type might be set to 'nodequeue' if the action would be performed on a
  *       nodequeue.
  *     - 'description': (required) The human-readable name of the action.
  *     - 'configurable': (required) If FALSE, then the action doesn't require
- *       any extra configuration.  If TRUE, then you should define a form
+ *       any extra configuration. If TRUE, then you should define a form
  *       function with the same name as the key, but with '_form' appended to
  *       it (i.e., the form for 'node_assign_owner_action' is
  *       'node_assign_owner_action_form'.)
@@ -41,22 +41,22 @@
  *       paired with the usual _submit function, and possibly a _validate
  *       function.
  *     - 'hooks': (required) An array of all of the operations this action is
- *       appropriate for, keyed by hook name.  The trigger module uses this to
+ *       appropriate for, keyed by hook name. The trigger module uses this to
  *       filter out inappropriate actions when presenting the interface for
- *       assigning actions to events.  If you are writing actions in your own
+ *       assigning actions to events. If you are writing actions in your own
  *       modules and you simply want to declare support for all possible hooks,
- *       you can set 'hooks' => array('any' => TRUE).  Common hooks are 'user',
+ *       you can set 'hooks' => array('any' => TRUE). Common hooks are 'user',
  *       'nodeapi', 'comment', or 'taxonomy'. Any hook that has been described
  *       to Drupal in hook_hook_info() will work is a possiblity.
  *     - 'behavior': (optional) Human-readable array of behavior descriptions.
- *       The only one we have now is 'changes node property'.  You will almost
+ *       The only one we have now is 'changes node property'. You will almost
  *       certainly never have to return this in your own implementations of this
  *       hook.
  *
  * The function that is called when the action is triggered is passed two
  * parameters - an object of the same type as the 'type' value of the
  * hook_action_info array, and a context variable that contains the context
- * under which the action is currently running, sent as an array.  For example,
+ * under which the action is currently running, sent as an array. For example,
  * the actions module sets the 'hook' and 'op' keys of the context array (so,
  * 'hook' may be 'nodeapi' and 'op' may be 'insert').
  */
@@ -113,8 +113,8 @@ function hook_action_info_alter(&$actions) {
  * See also hook_action_info().
  *
  * @return
- *   - A nested array.  The outermost key defines the module that the triggers
- *     are from.  The menu system will use the key to look at the .info file of
+ *   - A nested array. The outermost key defines the module that the triggers
+ *     are from. The menu system will use the key to look at the .info file of
  *     the module and make a local task (a tab) in the trigger UI.
  *     - The next key defines the hook being described.
  *       - Inside of that array are a list of arrays keyed by hook operation.
@@ -122,8 +122,8 @@ function hook_action_info_alter(&$actions) {
  *           an English description of the hook.
  *
  * For example, the node_hook_info implementation has 'node' as the outermost
- * key, as that's the module it's in.  Next it has 'nodeapi' as the next key,
- * as hook_nodeapi() is what applies to changes in nodes.  Finally the keys
+ * key, as that's the module it's in. Next it has 'nodeapi' as the next key,
+ * as hook_nodeapi() is what applies to changes in nodes. Finally the keys
  * after that are the various operations for hook_nodeapi() that the node module
  * is exposing as triggers.
  */
diff --git a/modules/update/update.compare.inc b/modules/update/update.compare.inc
index ec24f992f12fcae8f9c90744ea63e55a9d6abd75..34b74849e49cd46c01a78a83a1f03d8cc5486ca9 100644
--- a/modules/update/update.compare.inc
+++ b/modules/update/update.compare.inc
@@ -444,7 +444,7 @@ function update_calculate_project_data($available) {
 
         // If we're running a dev snapshot and have a timestamp, stop
         // searching for security updates once we hit an official release
-        // older than what we've got.  Allow 100 seconds of leeway to handle
+        // older than what we've got. Allow 100 seconds of leeway to handle
         // differences between the datestamp in the .info file and the
         // timestamp of the tarball itself (which are usually off by 1 or 2
         // seconds) so that we don't flag that as a new release.
@@ -579,7 +579,7 @@ function update_calculate_project_data($available) {
 function update_project_cache($cid) {
   $projects = array();
 
-  // In some cases, we must clear the cache.  Rather than do so on a time
+  // In some cases, we must clear the cache. Rather than do so on a time
   // basis, we check for specific paths.
   $q = $_GET['q'];
   $paths = array('admin/build/modules', 'admin/build/themes', 'admin/reports', 'admin/reports/updates', 'admin/reports/status', 'admin/reports/updates/check');
diff --git a/modules/user/user.module b/modules/user/user.module
index 99badf6d71235e92a1a0ae5f6c616282a17945c9..97835baffcbd1c6ccd548d41285e4a85b5f9f7ee 100644
--- a/modules/user/user.module
+++ b/modules/user/user.module
@@ -203,7 +203,7 @@ function user_load($array = array()) {
  *
  * @param $edit
  *   An array of fields and values to save. For example array('name'
- *   => 'My name').  Keys that do not belong to columns in the user-related
+ *   => 'My name'). Keys that do not belong to columns in the user-related
  *   tables are added to the a serialized array in the 'data' column
  *   and will be loaded in the $user->data array by user_load().
  *   Setting a field to NULL deletes it from the data column.
@@ -840,7 +840,7 @@ function user_block_view($delta = '') {
         // Count users active within the defined period.
         $interval = REQUEST_TIME - variable_get('user_block_seconds_online', 900);
 
-        // Perform database queries to gather online user lists.  We use s.timestamp
+        // Perform database queries to gather online user lists. We use s.timestamp
         // rather than u.access because it is much faster.
         $anonymous_count = drupal_session_count($interval);
         $authenticated_count = db_query("SELECT COUNT(DISTINCT s.uid) FROM {sessions} s WHERE s.timestamp >= :timestamp AND s.uid > 0", array(':timestamp' => $interval))->fetchField();
@@ -2072,7 +2072,7 @@ function theme_user_signature($signature) {
  * Return an array of token to value mappings for user e-mail messages.
  *
  * @param $account
- *  The user object of the account being notified.  Must contain at
+ *  The user object of the account being notified. Must contain at
  *  least the fields 'uid', 'name', and 'mail'.
  * @param $language
  *  Language object to generate the tokens with.
@@ -2129,7 +2129,7 @@ function user_preferred_language($account, $default = NULL) {
  * @see drupal_mail()
  *
  * @param $op
- *  The operation being performed on the account.  Possible values:
+ *  The operation being performed on the account. Possible values:
  *  'register_admin_created': Welcome message for user created by the admin
  *  'register_no_approval_required': Welcome message when user self-registers
  *  'register_pending_approval': Welcome message, user pending admin approval
@@ -2139,7 +2139,7 @@ function user_preferred_language($account, $default = NULL) {
  *  'status_deleted': Account deleted
  *
  * @param $account
- *  The user object of the account being notified.  Must contain at
+ *  The user object of the account being notified. Must contain at
  *  least the fields 'uid', 'name', and 'mail'.
  * @param $language
  *  Optional language to use for the notification, overriding account language.
diff --git a/scripts/code-style.pl b/scripts/code-style.pl
index 5970fc10c958aec25fbcd2db376c4c0ac41b3b68..df2add6c9c0a6c9b197b81c4ff70cd08fcfbc04c 100644
--- a/scripts/code-style.pl
+++ b/scripts/code-style.pl
@@ -181,7 +181,7 @@ code-style.pl - Review drupal code for style
 =head1 DESCRIPTION
 
 Originally written for Drupal (http://drupal.org/) to ensure stylish
-code.  This program reviews PHP code, and tries to show as many code
+code. This program reviews PHP code, and tries to show as many code
 improvements as possible with no false positives.
 
 =head1 OPTIONS
diff --git a/scripts/drupal.sh b/scripts/drupal.sh
index a3f258459adf99ea599a6147f2686100ceb317bc..5bc2543659f106d5d9e2480b8e088b9472ef0939 100755
--- a/scripts/drupal.sh
+++ b/scripts/drupal.sh
@@ -36,15 +36,15 @@
               produce errors from setting the session.
 
   URI         The URI to execute, i.e. http://default/foo/bar for executing
-              the path '/foo/bar' in your site 'default'.  URI has to be
+              the path '/foo/bar' in your site 'default'. URI has to be
               enclosed by quotation marks if there are ampersands in it
-              (f.e. index.php?q=node&foo=bar).  Prefix 'http://' is required,
+              (f.e. index.php?q=node&foo=bar). Prefix 'http://' is required,
               and the domain must exist in Drupal's sites-directory.
 
               If the given path and file exists it will be executed directly,
               i.e. if URI is set to http://default/bar/foo.php
               and bar/foo.php exists, this script will be executed without
-              bootstrapping Drupal.  To execute Drupal's cron.php, specify
+              bootstrapping Drupal. To execute Drupal's cron.php, specify
               http://default/cron.php as the URI.
 
 
diff --git a/scripts/password-hash.sh b/scripts/password-hash.sh
index 74f84d264d22034d06a21587f07ad7076b5abc32..eb2e3424a43a837ae4a7cbff24217e501d5ceee0 100755
--- a/scripts/password-hash.sh
+++ b/scripts/password-hash.sh
@@ -21,7 +21,7 @@ function variable_get($x, $default) {
   $version  = PHP_VERSION;
   echo <<<EOF
 
-ERROR: This script requires at least PHP version 5.2.0.  You invoked it with
+ERROR: This script requires at least PHP version 5.2.0. You invoked it with
        PHP version {$version}.
 \n
 EOF;
diff --git a/scripts/run-tests.sh b/scripts/run-tests.sh
index 382e11adddae9cb734c09792f6aad76cebc8e4d8..fe1dd64643dd410ecff3f563f1be60c12ba84961 100755
--- a/scripts/run-tests.sh
+++ b/scripts/run-tests.sh
@@ -133,13 +133,13 @@ function simpletest_script_help() {
 
   <test1>[,<test2>[,<test3> ...]]
 
-              One or more tests to be run.  By default, these are interpreted
+              One or more tests to be run. By default, these are interpreted
               as the names of test groups as shown at ?q=admin/build/testing.
               These group names typically correspond to module names like "User"
               or "Profile" or "System", but there is also a group "XML-RPC".
               If --class is specified then these are interpreted as the names of
-              specific test classes whose test methods will be run.  Tests must
-              be separated by commas.  Ignored if --all is specified.
+              specific test classes whose test methods will be run. Tests must
+              be separated by commas. Ignored if --all is specified.
 
 To run this script you will normally invoke it from the root directory of your
 Drupal installation as the webserver user (differs per configuration), or root:
diff --git a/update.php b/update.php
index 0cefcb70568a541f3648919a8940f37eecf46e35..67dddc7d2f424ca1fa5de4853a1af6879c456c21 100644
--- a/update.php
+++ b/update.php
@@ -524,11 +524,11 @@ function update_check_incompatibility($name, $type = 'module') {
  * to function properly.
  *
  * This function runs when update.php is run the first time for 6.x,
- * even before updates are selected or performed.  It is important
+ * even before updates are selected or performed. It is important
  * that if updates are not ultimately performed that no changes are
  * made which make it impossible to continue using the prior version.
- * Just adding columns is safe.  However, renaming the
- * system.description column to owner is not.  Therefore, we add the
+ * Just adding columns is safe. However, renaming the
+ * system.description column to owner is not. Therefore, we add the
  * system.owner column and leave it to system_update_6008() to copy
  * the data from description and remove description. The same for
  * renaming locales_target.locale to locales_target.language, which