Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.762
diff -u -r1.762 common.inc
--- includes/common.inc	31 Mar 2008 20:50:05 -0000	1.762
+++ includes/common.inc	1 Apr 2008 06:29:15 -0000
@@ -1463,6 +1463,8 @@
   if (variable_get('cache', CACHE_DISABLED) != CACHE_DISABLED) {
     page_set_cache();
   }
+  // Store the used registry files.
+  registry_mark_file(NULL, TRUE);
 
   module_invoke_all('exit');
 }
@@ -2441,6 +2443,9 @@
   unicode_check();
   // Undo magic quotes
   fix_gpc_magic();
+  // Register autoload functions so that we can access classes and interfaces.
+  spl_autoload_register('registry_check_class');
+  spl_autoload_register('registry_check_interface');
   // Load all enabled modules
   module_load_all();
   // Let all modules take action before menu system handles the request
@@ -2698,7 +2703,7 @@
   // element is rendered into the final text.
   if (isset($elements['#pre_render'])) {
     foreach ($elements['#pre_render'] as $function) {
-      if (function_exists($function)) {
+      if (registry_check_function($function)) {
         $elements = $function($elements);
       }
     }
@@ -2760,7 +2765,7 @@
     // which allows the output'ed text to be filtered.
     if (isset($elements['#post_render'])) {
       foreach ($elements['#post_render'] as $function) {
-        if (function_exists($function)) {
+        if (registry_check_function($function)) {
           $content = $function($content, $elements);
         }
       }
@@ -3140,7 +3145,7 @@
  */
 function drupal_get_schema_unprocessed($module, $table = NULL) {
   // Load the .install file to get hook_schema.
-  module_load_include('install', $module);
+  module_load_install($module);
   $schema = module_invoke($module, 'schema');
 
   if (!is_null($table) && isset($schema[$table])) {
@@ -3526,6 +3531,10 @@
   // Change query-strings on css/js files to enforce reload for all users.
   _drupal_flush_css_js();
 
+  // Because the registry is rebuilt before the registry cache is cleared,
+  // there should be nearly no risk of someone visiting the site and finding an
+  // empty registry.
+  drupal_rebuild_code_registry();
   drupal_clear_css_cache();
   drupal_clear_js_cache();
   system_theme_data();
@@ -3534,7 +3543,7 @@
   node_types_rebuild();
   // Don't clear cache_form - in-progress form submissions may break.
   // Ordered so clearing the page cache will always be the last action.
-  $core = array('cache', 'cache_block', 'cache_filter', 'cache_page');
+  $core = array('cache', 'cache_block', 'cache_filter', 'cache_registry', 'cache_page');
   $cache_tables = array_merge(module_invoke_all('flush_caches'), $core);
   foreach ($cache_tables as $table) {
     cache_clear_all('*', $table, TRUE);
@@ -3559,3 +3568,401 @@
   }
   variable_set('css_js_query_string', $new_character . substr($string_history, 0, 19));
 }
+
+/**
+ * @defgroup registry Code registry
+ * @{
+ * The code registry engine.
+ *
+ * Drupal maintains an internal registry of all functions or classes in the
+ * system. That in turn allows Drupal to lazy-load code files selectively
+ * as needed, reducing the amount of code that needs to be parsed on each
+ * request.  The list of files included is then cached per menu callback
+ * so that they can be loaded by the menu router.  That way, a given page
+ * request will have all the code it needs and little else, minimizing the
+ * time wasted parsing unneeded code.
+ */
+
+/**
+ * Rescan all enabled modules and rebuild the registry.
+ *
+ * This function rescans all code in modules or the includes directory and
+ * stores a mapping of function, file, and hook implementation to the database.
+ */
+function drupal_rebuild_code_registry() {
+  // Flush the old registry.
+  db_query("DELETE FROM {registry}");
+  // We can't rely on the registry-based module_implements code, so we set
+  // dumb mode.
+  module_implements('', FALSE, FALSE, TRUE);
+  $list = module_list(TRUE, FALSE, FALSE);
+  $patterns = array();
+  foreach (module_invoke_all('hooks') as $pattern) {
+    // For example 'form__alter'.
+    $patterns[] = '/'. str_replace('__', '_.*_', $pattern) .'/';
+  }
+
+  foreach ($list as $module) {
+    _registry_parse_directory(drupal_get_path('module', $module), $patterns);
+  }
+
+  _registry_parse_directory('includes', $patterns);
+  $implementations = _registry_hook_implementations();
+  cache_set('hooks', array('patterns' => $patterns, 'implementations' => $implementations));
+  module_implements('', FALSE, FALSE, FALSE);
+}
+
+/**
+ * Parse all loadable files in a directory and save their function and class listings.
+ *
+ * @param $path
+ *  The path relative to Drupal root to scan.
+ * @param $patterns
+ *  The function pattern to identify as a hook.  That allows us to record
+ *  what hook implementations exist and in what module/file.
+ */
+function _registry_parse_directory($path, $patterns) {
+  static $map = array(T_FUNCTION => 'function', T_CLASS => 'class', T_INTERFACE => 'interface');
+
+  $active_modules = module_list();
+
+  $files = file_scan_directory($path, '\.(inc|module|install)$');
+  foreach ($files as $filename => $file) {
+    $tokens = token_get_all(file_get_contents($filename));
+    while ($token = next($tokens)) {
+      // Ignore all tokens except for those we are specifically saving.
+      if (is_array($token) && isset($map[$token[0]])) {
+        $type = $map[$token[0]];
+        if ($resource_name = _registry_get_resource_name($tokens, $type)) {
+          $module = _registry_get_resource_module($resource_name, $filename, $type);
+          if ($module != 'includes' && !in_array($module, $active_modules)) {
+            // If this is a disabled module then we skip the whole file.
+            continue 2;
+          }
+          $hook = _registry_get_resource_hook($resource_name, $module, $patterns);
+
+          // Now save the resource record to the database.
+          $result = _registry_save_resource($resource_name, $type, $module, $hook, $filename);
+          // We skip the body because classes might contain functions.
+          _registry_skip_body($tokens);
+        }
+      }
+    }
+  }
+}
+
+/**
+ * Derive the name of the next resource in the token stream.
+ *
+ * @param $tokens
+ *  The collection of tokens for the current file being parsed.
+ * @param $type
+ *  The human-readable token name: One of "function", "class", or "interface".
+ * @return
+ *  The name of the resource, or FALSE if the resource has already been processed.
+ */
+function _registry_get_resource_name(&$tokens, $type) {
+  // Keep a running list of all resources we've saved so far, so that we never
+  // save one more than once.
+  static $resources;
+
+  // Determine the name of the resource.
+  next($tokens); // Eat a space.
+  $token = next($tokens);
+  if ($token == '&') {
+    $token = next($tokens);
+  }
+  $resource_name = $token[1];
+
+  // Ensure that we never save it more than once.
+  if (isset($resources[$type][$resource_name])) {
+    return FALSE;
+  }
+  $resources[$type][$resource_name] = TRUE;
+
+  return $resource_name;
+}
+
+/**
+ * Determine the module that the given resource beongs to.
+ *
+ * In the case of node "hooks", the module is determined by calculating all
+ * possible node hooks and the module they correspond to.  Otherwise, the module
+ * is derived from the file name or directory name of the file.
+ *
+ * Detectable files follow one of the following patterns:
+ *  - <module>.module
+ *  - <module>.install
+ *  - <module>.<some-arbitrary-string>.inc
+ *  - <module>/<some-arbitrary-string>.inc
+ *
+ * Note that the last option will treat any code in Drupal's core "includes"
+ * directory as belonging to the module "includes".  That is by design.
+ *
+ * In order for a module to provide a hook on behalf of another module, the
+ * name of the file the implementation exists in must match the module the hook
+ * applies to, not the providing module.  That is, if module foo is providing
+ * the implementation of hook_example() on behalf of module bar, then the function
+ * must reside in foo/bar.something.inc for it to associate with module bar
+ * correctly.
+ *
+ * @param $resource_name
+ *  The name of the resource; the function or class name.
+ * @param $filename
+ *  The name of the file in which the resource resides, relative to Drupal root.
+ * @param $type
+ *  A string, possible values are function, class, interface.
+ * @return
+ *  The name of the module that "owns" the resource.
+ */
+function _registry_get_resource_module($resource_name, $filename, $type) {
+  static $dirs, $node_functions;
+
+  // Node "hooks" aren't "real hooks", but still get called indirectly.  Therefore,
+  // we build up a list of all possible node hooks for the current node types
+  // that we can match against later.
+  if (empty($node_functions)) {
+    $types = node_get_types();
+    foreach ($types as $node_type) {
+      $module = $node_type->module == 'node' ? 'node_content' : $node_type->module;
+      foreach (array('load', 'validate', 'insert', 'update', 'delete', 'view', 'prepare', 'form') as $hook) {
+        $node_functions[$module .'_'. $hook] = $module;
+      }
+    }
+  }
+
+  // Extract the module from the file name or directory name.
+  $file_parts = explode('.', $filename);
+  $module = '';
+  $hook = '';
+  $count = count($file_parts);
+  if (isset($node_functions[$resource_name]) && $type == 'function') {
+    $module = $node_functions[$resource_name];
+  }
+  else {
+    if ($count == 2 && $file_parts[1] == 'inc') {
+      if (!isset($dirs[$filename])) {
+        $dir_parts = explode('/', $file_parts[0]);
+        array_pop($dir_parts);
+        $dirs[$filename] = array_pop($dir_parts);
+      }
+      $module = $dirs[$filename];
+    }
+    if (($count ==  2 && ($file_parts[1] == 'module' || $file_parts[1] == 'install')) || ($count == 3 && $file_parts[2] == 'inc')) {
+      $module = basename($file_parts[0]);
+    }
+  }
+
+  return $module;
+}
+
+/**
+ * Determine what hook this resource could bean implementation for.
+ *
+ * We record the hook for a given function so that we can easily request
+ * in a single query all hook implementations for a given hook.  In most
+ * cases, that is a simple mapping.  However, Drupal also supports dynamic
+ * hook names, such as hook_form_$form_id_alter.  For those, we use
+ * module-provided patterns from hook_hooks() to determine the dynamic hook
+ * this resource correspond to.
+ *
+ * Note that this mechanism will generate false-positives for functions that
+ * are not actually hook implementations.  That is OK, because they will never
+ * be queried by hook anyway.
+ *
+ * @param $resource_name
+ *  The name of the resource; the function or class name.
+ * @param $module
+ *  The name of the module that provides the resource.
+ * @param $patterns
+ *  A list of patterns of dynamic hooks to match against.
+ * @return
+ *  The hook for which this resource is a potential implementation.
+ */
+function _registry_get_resource_hook($resource_name, $module, $patterns) {
+  $hook = '';
+  if ($module && strpos($resource_name, $module) === 0) {
+    $hook = substr($resource_name, strlen($module) + 1);
+    foreach ($patterns as $pattern) {
+      if (preg_match($pattern, $hook)) {
+        // If it's a dynamic hook, queue up that information to cache later.
+        _registry_hook_implementations($hook, $module);
+      }
+    }
+  }
+  return $hook;
+}
+
+/**
+ * Save a resource into the database.
+ *
+ * @param $resource_name
+ *  The name of the resource; the function or class name.
+ * @param $type
+ *  The human-readable token name: One of "function", "class", or "interface".
+ * @param $module
+ *  The name of the module that provides the resource.
+ * @param $hook
+ *  The hook this resource is an implementation for.
+ * @param $filename
+ *  The name of the file in which the resource resides, relative to Drupal root.
+ */
+function _registry_save_resource($resource_name, $type, $module, $hook, $filename) {
+  db_query("INSERT INTO {registry} (name, type, module, hook, file) VALUES ('%s', '%s', '%s', '%s', '%s')", array($resource_name, $type, $module, $hook, "./$filename"));
+}
+
+/**
+ * Store the hook/module implementation information that we need to cache.
+ */
+function _registry_hook_implementations($hook = NULL, $module = NULL) {
+  static $implementations;
+
+  if (isset($hook)) {
+    $implementations[$hook][] = $module;
+  }
+  else {
+    return $implementations;
+  }
+}
+
+/**
+ * Skip the body of a code block, as defined by { and }.
+ *
+ * This function assumes that the body starts at the next instance
+ * of { from the current position.
+ *
+ * @param $tokens
+ */
+function _registry_skip_body(&$tokens) {
+  $num_braces = 1;
+
+  $token = '';
+  // Get to the first open brace.
+  while ($token != '{' && ($token = next($tokens)));
+
+  // Scan through the rest of the tokens until we reach the matching
+  // end brace.
+  while ($num_braces && ($token = next($tokens))) {
+    if ($token == '{') {
+      ++$num_braces;
+    }
+    elseif ($token == '}') {
+      --$num_braces;
+    }
+  }
+}
+
+/**
+ * Collect the files included so we can preload them on the next pageload.
+ *
+ * The function collects the files as the registry includes them. At the
+ * end of the page request it stores them per router path.
+ *
+ * @param $file
+ *   A file or an array of files included.
+ * @param $store
+ *   If true, then store the collected array of files into the database as
+ *   necessary.
+ */
+function registry_mark_file($file = NULL, $store = FALSE) {
+  static $used_files = array(), $original_files = array();
+
+  if (isset($file)) {
+    if (is_array($file)) {
+      if (empty($original_files)) {
+        $original_files = $file;
+      }
+      $used_files = array_merge($used_files, $file);
+    }
+    else {
+      $used_files[] = $file;
+    }
+  }
+  elseif ($store && $used_files != $original_files && $_SERVER['REQUEST_METHOD'] == 'GET') {
+    // Files we will likely need next time.
+    $files = array_unique($used_files);
+    // Much better speed and memory wise than serialize.
+    $files = implode(';', $files);
+    $menu = menu_get_item();
+    cache_set($menu['path'], $files, 'cache_registry');
+  }
+}
+
+/**
+ * Confirm that a function is available.
+ *
+ * If the function is already available, this function does nothing
+ * If it is not, it tries to load the file in which it lives.  If
+ * the file is not available, it simply returns false.  That way it
+ * can be used as a drop-in replacement for function_exists().
+ *
+ * @param $function
+ *   The name of the function to check or load.
+ * @return
+ *   TRUE if the function is now available, FALSE otherwise.
+ */
+function registry_check_function($function) {
+  static $checked = array();
+  if (isset($checked[$function])) {
+    return $checked[$function];
+  }
+  if (!function_exists($function)) {
+    $file = db_result(db_query("SELECT file FROM {registry} WHERE name = '%s' AND type = '%s'", array($function, 'function')));
+    if (!$file) {
+      $checked[$function] = FALSE;
+      return FALSE;
+    }
+    require_once($file);
+    registry_mark_file($file);
+  }
+  $checked[$function] = TRUE;
+  return TRUE;
+}
+
+/**
+ * Confirm that a class is available.
+ *
+ * This function parallels registry_check_function(), but will rarely
+ * be called directly.  Instead, it will be registered as an spl_autoload()
+ * handler, and PHP will call it for us when necessary.
+ *
+ * @param $class
+ *   The name of the class to check or load.
+ * @return
+ *   TRUE if the class is now available, FALSE otherwise.
+ */
+function registry_check_class($class) {
+  $file = db_result(db_query("SELECT file FROM {registry} WHERE name = '%s' AND type = '%s'", array($class, 'class')));
+  if (!$file) {
+    return FALSE;
+  }
+  require_once($file);
+  registry_mark_file($file);
+  return TRUE;
+}
+
+/**
+ * Confirm that an interface is available.
+ *
+ * This function parallels registry_check_function(), but will rarely
+ * be called directly.  Instead, it will be registered as an spl_autoload()
+ * handler, and PHP will call it for us when necessary.
+ *
+ * @param $interface
+ *   The name of the interface to check or load.
+ * @return
+ *   TRUE if the interface is now available, FALSE otherwise.
+ */
+function registry_check_interface($interface) {
+  $file = db_result(db_query("SELECT file FROM {registry} WHERE name = '%s' AND type = '%s'", array($interface, 'interface')));
+  if (!$file) {
+    return FALSE;
+  }
+  require_once($file);
+  registry_mark_file($file);
+  return TRUE;
+}
+
+/**
+ * @} End of "defgroup registry".
+ */
Index: includes/form.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/form.inc,v
retrieving revision 1.268
diff -u -r1.268 form.inc
--- includes/form.inc	15 Mar 2008 11:02:47 -0000	1.268
+++ includes/form.inc	1 Apr 2008 06:29:16 -0000
@@ -326,7 +326,7 @@
 
   // We first check to see if there's a function named after the $form_id.
   // If there is, we simply pass the arguments on to it to get the form.
-  if (!function_exists($form_id)) {
+  if (!registry_check_function($form_id)) {
     // In cases where many form_ids need to share a central constructor function,
     // such as the node editing form, modules can implement hook_forms(). It
     // maps one or more form_ids to the correct constructor functions.
@@ -347,6 +347,7 @@
     }
     if (isset($form_definition['callback'])) {
       $callback = $form_definition['callback'];
+      registry_check_function($callback);
     }
   }
 
@@ -503,13 +504,13 @@
   $form += _element_info('form');
 
   if (!isset($form['#validate'])) {
-    if (function_exists($form_id .'_validate')) {
+    if (registry_check_function($form_id .'_validate')) {
       $form['#validate'] = array($form_id .'_validate');
     }
   }
 
   if (!isset($form['#submit'])) {
-    if (function_exists($form_id .'_submit')) {
+    if (registry_check_function($form_id .'_submit')) {
       // We set submit here so that it can be altered.
       $form['#submit'] = array($form_id .'_submit');
     }
@@ -711,7 +712,7 @@
     // #value data.
     elseif (isset($elements['#element_validate'])) {
       foreach ($elements['#element_validate'] as $function) {
-        if (function_exists($function))  {
+        if (registry_check_function($function))  {
           $function($elements, $form_state, $complete_form);
         }
       }
@@ -748,7 +749,7 @@
   }
 
   foreach ($handlers as $function) {
-    if (function_exists($function))  {
+    if (registry_check_function($function))  {
       if ($type == 'submit' && ($batch =& batch_get())) {
         // Some previous _submit handler has set a batch. We store the call
         // in a special 'control' batch set, for execution at the correct
@@ -1031,7 +1032,7 @@
   // checkboxes and files.
   if (isset($form['#process']) && !$form['#processed']) {
     foreach ($form['#process'] as $process) {
-      if (function_exists($process)) {
+      if (registry_check_function($process)) {
         $form = $process($form, isset($edit) ? $edit : NULL, $form_state, $complete_form);
       }
     }
Index: includes/install.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/install.inc,v
retrieving revision 1.58
diff -u -r1.58 install.inc
--- includes/install.inc	12 Feb 2008 13:45:16 -0000	1.58
+++ includes/install.inc	1 Apr 2008 06:29:16 -0000
@@ -326,7 +326,11 @@
   } while ($moved);
   asort($module_list);
   $module_list = array_keys($module_list);
+  // During install, we do not want to use the registry-based module_implements
+  // code.
+  module_implements('', FALSE, FALSE, TRUE);
   array_filter($module_list, '_drupal_install_module');
+  module_implements('', FALSE, FALSE, FALSE);
   module_enable($module_list);
 }
 
@@ -687,8 +691,9 @@
   $requirements = array();
   foreach ($installs as $install) {
     require_once $install->filename;
-    if (module_hook($install->name, 'requirements')) {
-      $requirements = array_merge($requirements, module_invoke($install->name, 'requirements', 'install'));
+    $function = $install->name. '_requirements';
+    if (function_exists($function)) {
+      $requirements = array_merge($requirements, $function('install'));
     }
   }
   return $requirements;
Index: includes/mail.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/mail.inc,v
retrieving revision 1.10
diff -u -r1.10 mail.inc
--- includes/mail.inc	15 Mar 2008 11:59:37 -0000	1.10
+++ includes/mail.inc	1 Apr 2008 06:29:16 -0000
@@ -115,7 +115,7 @@
   // Build the e-mail (get subject and body, allow additional headers) by
   // invoking hook_mail() on this module. We cannot use module_invoke() as
   // we need to have $message by reference in hook_mail().
-  if (function_exists($function = $module .'_mail')) {
+  if (registry_check_function($function = $module .'_mail')) {
     $function($key, $message, $params);
   }
 
Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.267
diff -u -r1.267 menu.inc
--- includes/menu.inc	21 Mar 2008 08:32:24 -0000	1.267
+++ includes/menu.inc	1 Apr 2008 06:29:17 -0000
@@ -339,11 +339,18 @@
     menu_rebuild();
   }
   if ($router_item = menu_get_item($path)) {
+    $cache = cache_get($router_item['path'], 'cache_registry');
+    if (!empty($cache->data)) {
+      $files = explode(';', $cache->data);
+      foreach($files as $file) {
+        require_once($file);
+      }
+      registry_mark_file($files);
+    }
     if ($router_item['access']) {
-      if ($router_item['file']) {
-        require_once($router_item['file']);
+      if (registry_check_function($router_item['page_callback'])) {
+        return call_user_func_array($router_item['page_callback'], $router_item['page_arguments']);
       }
-      return call_user_func_array($router_item['page_callback'], $router_item['page_arguments']);
     }
     else {
       return MENU_ACCESS_DENIED;
@@ -2198,12 +2205,12 @@
           $load_functions[$k] = NULL;
         }
         else {
-          if (function_exists($matches[1] .'_to_arg')) {
+          if (registry_check_function($matches[1] .'_to_arg')) {
             $to_arg_functions[$k] = $matches[1] .'_to_arg';
             $load_functions[$k] = NULL;
             $match = TRUE;
           }
-          if (function_exists($matches[1] .'_load')) {
+          if (registry_check_function($matches[1] .'_load')) {
             $function = $matches[1] .'_load';
             // Create an array of arguments that will be passed to the _load
             // function when this menu path is checked, if 'load arguments'
@@ -2289,12 +2296,6 @@
           if (!isset($item['page arguments']) && isset($parent['page arguments'])) {
             $item['page arguments'] = $parent['page arguments'];
           }
-          if (!isset($item['file']) && isset($parent['file'])) {
-            $item['file'] = $parent['file'];
-          }
-          if (!isset($item['file path']) && isset($parent['file path'])) {
-            $item['file path'] = $parent['file path'];
-          }
         }
       }
     }
@@ -2322,34 +2323,25 @@
       'tab_parent' => '',
       'tab_root' => $path,
       'path' => $path,
-      'file' => '',
-      'file path' => '',
-      'include file' => '',
     );
 
-    // Calculate out the file to be included for each callback, if any.
-    if ($item['file']) {
-      $file_path = $item['file path'] ? $item['file path'] : drupal_get_path('module', $item['module']);
-      $item['include file'] = $file_path .'/'. $item['file'];
-    }
-
     $title_arguments = $item['title arguments'] ? serialize($item['title arguments']) : '';
     db_query("INSERT INTO {menu_router}
       (path, load_functions, to_arg_functions, access_callback,
       access_arguments, page_callback, page_arguments, fit,
       number_parts, tab_parent, tab_root,
       title, title_callback, title_arguments,
-      type, block_callback, description, position, weight, file)
+      type, block_callback, description, position, weight)
       VALUES ('%s', '%s', '%s', '%s',
       '%s', '%s', '%s', %d,
       %d, '%s', '%s',
       '%s', '%s', '%s',
-      %d, '%s', '%s', '%s', %d, '%s')",
+      %d, '%s', '%s', '%s', %d)",
       $path, $item['load_functions'], $item['to_arg_functions'], $item['access callback'],
       serialize($item['access arguments']), $item['page callback'], serialize($item['page arguments']), $item['_fit'],
       $item['_number_parts'], $item['tab_parent'], $item['tab_root'],
       $item['title'], $item['title callback'], $title_arguments,
-      $item['type'], $item['block callback'], $item['description'], $item['position'], $item['weight'], $item['include file']);
+      $item['type'], $item['block callback'], $item['description'], $item['position'], $item['weight']);
   }
   // Sort the masks so they are in order of descending fit, and store them.
   $masks = array_keys($masks);
Index: includes/module.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/module.inc,v
retrieving revision 1.115
diff -u -r1.115 module.inc
--- includes/module.inc	27 Dec 2007 12:31:05 -0000	1.115
+++ includes/module.inc	1 Apr 2008 06:29:17 -0000
@@ -228,7 +228,7 @@
  */
 function module_exists($module) {
   $list = module_list();
-  return array_key_exists($module, $list);
+  return isset($list[$module]);
 }
 
 /**
@@ -238,7 +238,14 @@
   // Make sure the installation API is available
   include_once './includes/install.inc';
 
-  module_load_include('install', $module);
+  $file = module_load_include('install', $module);
+  // We make sure you can module_invoke something inside the newly loaded
+  // file during install.
+  $module_list = module_list();
+  if (!isset($module_list[$module])) {
+    $module_list[$module]['filename'] = $file;
+    module_list(TRUE, FALSE, FALSE, $module_list);
+  }
 }
 
 /**
@@ -260,6 +267,7 @@
 
   if (is_file($file)) {
     require_once $file;
+    return $file;
   }
   else {
     return FALSE;
@@ -308,7 +316,7 @@
     // We check for the existence of node_access_needs_rebuild() since
     // at install time, module_enable() could be called while node.module
     // is not enabled yet.
-    if (function_exists('node_access_needs_rebuild') && !node_access_needs_rebuild() && module_hook($module, 'node_grants')) {
+    if (registry_check_function('node_access_needs_rebuild') && !node_access_needs_rebuild() && module_hook($module, 'node_grants')) {
       node_access_needs_rebuild(TRUE);
     }
   }
@@ -383,7 +391,8 @@
  *   implemented in that module.
  */
 function module_hook($module, $hook) {
-  return function_exists($module .'_'. $hook);
+  $list = module_implements($hook);
+  return in_array($module, $list);
 }
 
 /**
@@ -398,34 +407,73 @@
  *   For internal use only: Whether to force the stored list of hook
  *   implementations to be regenerated (such as after enabling a new module,
  *   before processing hook_enable).
+ * @param $set_dumb
+ *   For internal use only: use a dumb, non-registry based version. This won't
+ *   find implementations in includes, only in modules.
  * @return
  *   An array with the names of the modules which are implementing this hook.
  */
-function module_implements($hook, $sort = FALSE, $refresh = FALSE) {
-  static $implementations;
+function module_implements($hook, $sort = FALSE, $refresh = FALSE, $set_dumb = NULL) {
+  static $implementations, $patterns, $loaded, $dumb;
 
+  if (isset($set_dumb)) {
+    $dumb = $set_dumb;
+  }
+  if (defined('MAINTENANCE_MODE') || !db_is_active() || $dumb) {
+    $list = module_list();
+    $return = array();
+    foreach ($list as $module) {
+      $function = $module .'_'. $hook;
+      if (function_exists($function)) {
+        $return[] = $module;
+      }
+    }
+    return $return;
+  }
   if ($refresh) {
     $implementations = array();
+    cache_clear_all('hooks', 'cache');
     return;
   }
-
-  if (!isset($implementations[$hook])) {
-    $implementations[$hook] = array();
-    $list = module_list(FALSE, TRUE, $sort);
-    foreach ($list as $module) {
-      if (module_hook($module, $hook)) {
-        $implementations[$hook][] = $module;
+  if (empty($implementations)) {
+    $cache = cache_get('hooks');
+    if (!$cache) {
+      drupal_rebuild_code_registry();
+      $cache = cache_get('hooks');
+    }
+    $implementations = $cache->data['implementations'];
+    $patterns = $cache->data['patterns'];
+  }
+  if (isset($implementations[$hook])) {
+    if (!isset($loaded[$hook])) {
+      $loaded[$hook] = TRUE;
+      foreach ($implementations[$hook] as $module) {
+        registry_check_function($module .'_'. $hook);
       }
     }
+    return (array)$implementations[$hook];
   }
-
-  // The explicit cast forces a copy to be made. This is needed because
-  // $implementations[$hook] is only a reference to an element of
-  // $implementations and if there are nested foreaches (due to nested node
-  // API calls, for example), they would both manipulate the same array's
-  // references, which causes some modules' hooks not to be called.
-  // See also http://www.zend.com/zend/art/ref-count.php.
-  return (array)$implementations[$hook];
+  // We do not store empty arrays for every instance of dynamic hooks like
+  // hook_{$form_id}_form_alter. The actual implementations of dynamic
+  // hooks are cached by drupal_rebuild_code_registry so those are already
+  // returned. If the hook matches a pattern here then we know that there is
+  // no implementation.
+  foreach ($patterns as $pattern) {
+    if (preg_match($pattern, $hook)) {
+      return array();
+    }
+  }
+  // Other hooks are fetched from the registry and cached.
+  $implementations[$hook] = array();
+  $result = db_query("SELECT module, name, file FROM {registry} WHERE hook = '%s' AND type = 'function'", $hook);
+  while ($entry = db_fetch_array($result)) {
+    if (!function_exists($entry['name'])) {
+      require_once($entry['file']);
+    }
+    $implementations[$hook][] = $entry['module'];
+  }
+  cache_set('hooks', array('patterns' => $patterns, 'implementations' => $implementations));
+  return $implementations[$hook];
 }
 
 /**
Index: includes/theme.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/theme.inc,v
retrieving revision 1.418
diff -u -r1.418 theme.inc
--- includes/theme.inc	25 Mar 2008 14:10:01 -0000	1.418
+++ includes/theme.inc	1 Apr 2008 06:29:18 -0000
@@ -628,7 +628,7 @@
       // call_user_func_array.
       $args = array(&$variables, $hook);
       foreach ($info['preprocess functions'] as $preprocess_function) {
-        if (function_exists($preprocess_function)) {
+        if (registry_check_function($preprocess_function)) {
           call_user_func_array($preprocess_function, $args);
         }
       }
Index: includes/xmlrpcs.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/xmlrpcs.inc,v
retrieving revision 1.24
diff -u -r1.24 xmlrpcs.inc
--- includes/xmlrpcs.inc	31 Dec 2007 08:54:36 -0000	1.24
+++ includes/xmlrpcs.inc	1 Apr 2008 06:29:18 -0000
@@ -202,7 +202,7 @@
     }
   }
 
-  if (!function_exists($method)) {
+  if (!registry_check_function($method)) {
     return xmlrpc_error(-32601, t('Server error. Requested function %method does not exist.', array("%method" => $method)));
   }
   // Call the mapped function
Index: modules/aggregator/aggregator.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/aggregator/aggregator.module,v
retrieving revision 1.375
diff -u -r1.375 aggregator.module
--- modules/aggregator/aggregator.module	20 Feb 2008 13:46:37 -0000	1.375
+++ modules/aggregator/aggregator.module	1 Apr 2008 06:29:18 -0000
@@ -84,7 +84,6 @@
     'description' => "Configure which content your site aggregates from other sites, how often it polls them, and how they're categorized.",
     'page callback' => 'aggregator_admin_overview',
     'access arguments' => array('administer news feeds'),
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/add/feed'] = array(
     'title' => 'Add feed',
@@ -93,7 +92,6 @@
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/aggregator',
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/add/category'] = array(
     'title' => 'Add category',
@@ -102,7 +100,6 @@
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/aggregator',
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/remove/%aggregator_feed'] = array(
     'title' => 'Remove items',
@@ -110,7 +107,6 @@
     'page arguments' => array('aggregator_admin_remove_feed', 4),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/update/%aggregator_feed'] = array(
     'title' => 'Update items',
@@ -118,7 +114,6 @@
     'page arguments' => array(4),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/list'] = array(
     'title' => 'List',
@@ -132,40 +127,34 @@
     'type' => MENU_LOCAL_TASK,
     'weight' => 10,
     'access arguments' => array('administer news feeds'),
-    'file' => 'aggregator.admin.inc',
   );
   $items['aggregator'] = array(
     'title' => 'Feed aggregator',
     'page callback' => 'aggregator_page_last',
     'access arguments' => array('access news feeds'),
     'weight' => 5,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/sources'] = array(
     'title' => 'Sources',
     'page callback' => 'aggregator_page_sources',
     'access arguments' => array('access news feeds'),
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/categories'] = array(
     'title' => 'Categories',
     'page callback' => 'aggregator_page_categories',
     'access callback' => '_aggregator_has_categories',
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/rss'] = array(
     'title' => 'RSS feed',
     'page callback' => 'aggregator_page_rss',
     'access arguments' => array('access news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/opml'] = array(
     'title' => 'OPML feed',
     'page callback' => 'aggregator_page_opml',
     'access arguments' => array('access news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/categories/%aggregator_category'] = array(
     'title callback' => '_aggregator_category_title',
@@ -174,7 +163,6 @@
     'page arguments' => array(2),
     'access callback' => 'user_access',
     'access arguments' => array('access news feeds'),
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/categories/%aggregator_category/view'] = array(
     'title' => 'View',
@@ -187,7 +175,6 @@
     'page arguments' => array('aggregator_page_category', 2),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/categories/%aggregator_category/configure'] = array(
     'title' => 'Configure',
@@ -196,13 +183,11 @@
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 1,
-    'file' => 'aggregator.admin.inc',
   );
   $items['aggregator/sources/%aggregator_feed'] = array(
     'page callback' => 'aggregator_page_source',
     'page arguments' => array(2),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/sources/%aggregator_feed/view'] = array(
     'title' => 'View',
@@ -215,7 +200,6 @@
     'page arguments' => array('aggregator_page_source', 2),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'aggregator.pages.inc',
   );
   $items['aggregator/sources/%aggregator_feed/configure'] = array(
     'title' => 'Configure',
@@ -224,7 +208,6 @@
     'access arguments' => array('administer news feeds'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 1,
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/edit/feed/%aggregator_feed'] = array(
     'title' => 'Edit feed',
@@ -232,7 +215,6 @@
     'page arguments' => array('aggregator_form_feed', 5),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.admin.inc',
   );
   $items['admin/content/aggregator/edit/category/%aggregator_category'] = array(
     'title' => 'Edit category',
@@ -240,7 +222,6 @@
     'page arguments' => array('aggregator_form_category', 5),
     'access arguments' => array('administer news feeds'),
     'type' => MENU_CALLBACK,
-    'file' => 'aggregator.admin.inc',
   );
 
   return $items;
Index: modules/block/block.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/block/block.module,v
retrieving revision 1.301
diff -u -r1.301 block.module
--- modules/block/block.module	21 Mar 2008 08:41:25 -0000	1.301
+++ modules/block/block.module	1 Apr 2008 06:29:18 -0000
@@ -125,7 +125,6 @@
     'description' => 'Configure what block content appears in your site\'s sidebars and other regions.',
     'page callback' => 'block_admin_display',
     'access arguments' => array('administer blocks'),
-    'file' => 'block.admin.inc',
   );
   $items['admin/build/block/list'] = array(
     'title' => 'List',
@@ -136,28 +135,24 @@
     'title' => 'JavaScript List Form',
     'page callback' => 'block_admin_display_js',
     'type' => MENU_CALLBACK,
-    'file' => 'block.admin.inc',
   );
   $items['admin/build/block/configure'] = array(
     'title' => 'Configure block',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('block_admin_configure'),
     'type' => MENU_CALLBACK,
-    'file' => 'block.admin.inc',
   );
   $items['admin/build/block/delete'] = array(
     'title' => 'Delete block',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('block_box_delete'),
     'type' => MENU_CALLBACK,
-    'file' => 'block.admin.inc',
   );
   $items['admin/build/block/add'] = array(
     'title' => 'Add block',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('block_add_block_form'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'block.admin.inc',
   );
   $default = variable_get('theme_default', 'garland');
   foreach (list_themes() as $key => $theme) {
@@ -166,7 +161,6 @@
       'page arguments' => array($key),
       'type' => $key == $default ? MENU_DEFAULT_LOCAL_TASK : MENU_LOCAL_TASK,
       'weight' => $key == $default ? -10 : 0,
-      'file' => 'block.admin.inc',
       'access callback' => '_block_themes_access',
       'access arguments' => array($theme),
     );
Index: modules/blog/blog.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/blog/blog.module,v
retrieving revision 1.299
diff -u -r1.299 blog.module
--- modules/blog/blog.module	20 Feb 2008 13:46:38 -0000	1.299
+++ modules/blog/blog.module	1 Apr 2008 06:29:18 -0000
@@ -138,7 +138,6 @@
     'page callback' => 'blog_page_last',
     'access arguments' => array('access content'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'blog.pages.inc',
   );
   $items['blog/%user_current'] = array(
     'title' => 'My blog',
@@ -146,7 +145,6 @@
     'page arguments' => array(1),
     'access callback' => 'user_access',
     'access arguments' => array('create blog content', 1),
-    'file' => 'blog.pages.inc',
   );
   $items['blog/%user/feed'] = array(
     'title' => 'Blogs',
@@ -154,14 +152,12 @@
     'page arguments' => array(1),
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
-    'file' => 'blog.pages.inc',
   );
   $items['blog/feed'] = array(
     'title' => 'Blogs',
     'page callback' => 'blog_feed_last',
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
-    'file' => 'blog.pages.inc',
   );
 
   return $items;
Index: modules/book/book.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/book/book.module,v
retrieving revision 1.458
diff -u -r1.458 book.module
--- modules/book/book.module	14 Mar 2008 08:51:37 -0000	1.458
+++ modules/book/book.module	1 Apr 2008 06:29:19 -0000
@@ -85,7 +85,6 @@
     'description' => "Manage your site's book outlines.",
     'page callback' => 'book_admin_overview',
     'access arguments' => array('administer book outlines'),
-    'file' => 'book.admin.inc',
   );
   $items['admin/content/book/list'] = array(
     'title' => 'List',
@@ -98,7 +97,6 @@
     'access arguments' => array('administer site configuration'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 8,
-    'file' => 'book.admin.inc',
   );
   $items['admin/content/book/%node'] = array(
     'title' => 'Re-order book pages and change titles',
@@ -107,21 +105,18 @@
     'access callback' => '_book_outline_access',
     'access arguments' => array(3),
     'type' => MENU_CALLBACK,
-    'file' => 'book.admin.inc',
   );
   $items['book'] = array(
     'title' => 'Books',
     'page callback' => 'book_render',
     'access arguments' => array('access content'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'book.pages.inc',
   );
   $items['book/export/%/%'] = array(
     'page callback' => 'book_export',
     'page arguments' => array(2, 3),
     'access arguments' => array('access printer-friendly version'),
     'type' => MENU_CALLBACK,
-    'file' => 'book.pages.inc',
   );
   $items['node/%node/outline'] = array(
     'title' => 'Outline',
@@ -131,7 +126,6 @@
     'access arguments' => array(1),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'book.pages.inc',
   );
   $items['node/%node/outline/remove'] = array(
     'title' => 'Remove from outline',
@@ -140,13 +134,11 @@
     'access callback' => '_book_outline_remove_access',
     'access arguments' => array(1),
     'type' => MENU_CALLBACK,
-    'file' => 'book.pages.inc',
   );
   $items['book/js/form'] = array(
     'page callback' => 'book_form_update',
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
-    'file' => 'book.pages.inc',
   );
   return $items;
 }
Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.621
diff -u -r1.621 comment.module
--- modules/comment/comment.module	23 Feb 2008 08:02:48 -0000	1.621
+++ modules/comment/comment.module	1 Apr 2008 06:29:20 -0000
@@ -199,7 +199,6 @@
     'description' => 'List and edit site comments and the comment moderation queue.',
     'page callback' => 'comment_admin',
     'access arguments' => array('administer comments'),
-    'file' => 'comment.admin.inc',
   );
 
   // Tabs:
@@ -212,7 +211,6 @@
     'title' => 'Approval queue',
     'page arguments' => array('approval'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'comment.admin.inc',
   );
 
   $items['comment/delete'] = array(
@@ -220,7 +218,6 @@
     'page callback' => 'comment_delete',
     'access arguments' => array('administer comments'),
     'type' => MENU_CALLBACK,
-    'file' => 'comment.admin.inc',
   );
 
   $items['comment/edit'] = array(
@@ -228,7 +225,6 @@
     'page callback' => 'comment_edit',
     'access arguments' => array('post comments'),
     'type' => MENU_CALLBACK,
-    'file' => 'comment.pages.inc',
   );
   $items['comment/reply/%node'] = array(
     'title' => 'Reply to comment',
@@ -237,7 +233,6 @@
     'access callback' => 'node_access',
     'access arguments' => array('view', 2),
     'type' => MENU_CALLBACK,
-    'file' => 'comment.pages.inc',
   );
 
   return $items;
Index: modules/contact/contact.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/contact/contact.module,v
retrieving revision 1.104
diff -u -r1.104 contact.module
--- modules/contact/contact.module	20 Feb 2008 13:46:39 -0000	1.104
+++ modules/contact/contact.module	1 Apr 2008 06:29:20 -0000
@@ -51,13 +51,11 @@
     'description' => 'Create a system contact form and set up categories for the form to use.',
     'page callback' => 'contact_admin_categories',
     'access arguments' => array('administer site-wide contact form'),
-    'file' => 'contact.admin.inc',
   );
   $items['admin/build/contact/list'] = array(
     'title' => 'List',
     'page callback' => 'contact_admin_categories',
     'type' => MENU_DEFAULT_LOCAL_TASK,
-    'file' => 'contact.admin.inc',
   );
   $items['admin/build/contact/add'] = array(
     'title' => 'Add category',
@@ -65,21 +63,18 @@
     'page arguments' => array('contact_admin_edit', 3),
     'type' => MENU_LOCAL_TASK,
     'weight' => 1,
-    'file' => 'contact.admin.inc',
   );
   $items['admin/build/contact/edit/%contact'] = array(
     'title' => 'Edit contact category',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('contact_admin_edit', 3, 4),
     'type' => MENU_CALLBACK,
-    'file' => 'contact.admin.inc',
   );
   $items['admin/build/contact/delete/%contact'] = array(
     'title' => 'Delete contact',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('contact_admin_delete', 4),
     'type' => MENU_CALLBACK,
-    'file' => 'contact.admin.inc',
   );
   $items['admin/build/contact/settings'] = array(
     'title' => 'Settings',
@@ -87,14 +82,12 @@
     'page arguments' => array('contact_admin_settings'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'contact.admin.inc',
   );
   $items['contact'] = array(
     'title' => 'Contact',
     'page callback' => 'contact_site_page',
     'access arguments' => array('access site-wide contact form'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'contact.pages.inc',
   );
   $items['user/%user/contact'] = array(
     'title' => 'Contact',
@@ -104,7 +97,6 @@
     'access callback' => '_contact_user_tab_access',
     'access arguments' => array(1),
     'weight' => 2,
-    'file' => 'contact.pages.inc',
   );
   return $items;
 }
Index: modules/dblog/dblog.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/dblog/dblog.module,v
retrieving revision 1.21
diff -u -r1.21 dblog.module
--- modules/dblog/dblog.module	8 Jan 2008 10:35:41 -0000	1.21
+++ modules/dblog/dblog.module	1 Apr 2008 06:29:20 -0000
@@ -47,7 +47,6 @@
     'description' => 'Settings for logging to the Drupal database logs. This is the most common method for small to medium sites on shared hosting. The logs are viewable from the admin pages.',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('dblog_admin_settings'),
-    'file' => 'dblog.admin.inc',
   );
 
   $items['admin/reports/dblog'] = array(
@@ -55,28 +54,24 @@
     'description' => 'View events that have recently been logged.',
     'page callback' => 'dblog_overview',
     'weight' => -1,
-    'file' => 'dblog.admin.inc',
   );
   $items['admin/reports/page-not-found'] = array(
     'title' => "Top 'page not found' errors",
     'description' => "View 'page not found' errors (404s).",
     'page callback' => 'dblog_top',
     'page arguments' => array('page not found'),
-    'file' => 'dblog.admin.inc',
   );
   $items['admin/reports/access-denied'] = array(
     'title' => "Top 'access denied' errors",
     'description' => "View 'access denied' errors (403s).",
     'page callback' => 'dblog_top',
     'page arguments' => array('access denied'),
-    'file' => 'dblog.admin.inc',
   );
   $items['admin/reports/event/%'] = array(
     'title' => 'Details',
     'page callback' => 'dblog_event',
     'page arguments' => array(3),
     'type' => MENU_CALLBACK,
-    'file' => 'dblog.admin.inc',
   );
   return $items;
 }
Index: modules/filter/filter.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/filter/filter.module,v
retrieving revision 1.207
diff -u -r1.207 filter.module
--- modules/filter/filter.module	13 Mar 2008 21:26:08 -0000	1.207
+++ modules/filter/filter.module	1 Apr 2008 06:29:20 -0000
@@ -73,7 +73,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('filter_admin_overview'),
     'access arguments' => array('administer filters'),
-    'file' => 'filter.admin.inc',
   );
   $items['admin/settings/filters/list'] = array(
     'title' => 'List',
@@ -84,21 +83,18 @@
     'page callback' => 'filter_admin_format_page',
     'type' => MENU_LOCAL_TASK,
     'weight' => 1,
-    'file' => 'filter.admin.inc',
   );
   $items['admin/settings/filters/delete'] = array(
     'title' => 'Delete input format',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('filter_admin_delete'),
     'type' => MENU_CALLBACK,
-    'file' => 'filter.admin.inc',
   );
   $items['filter/tips'] = array(
     'title' => 'Compose tips',
     'page callback' => 'filter_tips_long',
     'access callback' => TRUE,
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'filter.pages.inc',
   );
   $items['admin/settings/filters/%filter_format'] = array(
     'type' => MENU_CALLBACK,
@@ -107,14 +103,12 @@
     'page callback' => 'filter_admin_format_page',
     'page arguments' => array(3),
     'access arguments' => array('administer filters'),
-    'file' => 'filter.admin.inc',
   );
 
   $items['admin/settings/filters/%filter_format/edit'] = array(
     'title' => 'Edit',
     'type' => MENU_DEFAULT_LOCAL_TASK,
     'weight' => 0,
-    'file' => 'filter.admin.inc',
   );
   $items['admin/settings/filters/%filter_format/configure'] = array(
     'title' => 'Configure',
@@ -122,7 +116,6 @@
     'page arguments' => array(3),
     'type' => MENU_LOCAL_TASK,
     'weight' => 1,
-    'file' => 'filter.admin.inc',
   );
   $items['admin/settings/filters/%filter_format/order'] = array(
     'title' => 'Rearrange',
@@ -130,7 +123,6 @@
     'page arguments' => array(3),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'filter.admin.inc',
   );
   return $items;
 }
Index: modules/forum/forum.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/forum/forum.module,v
retrieving revision 1.452
diff -u -r1.452 forum.module
--- modules/forum/forum.module	20 Feb 2008 13:46:39 -0000	1.452
+++ modules/forum/forum.module	1 Apr 2008 06:29:21 -0000
@@ -87,7 +87,6 @@
     'page callback' => 'forum_page',
     'access arguments' => array('access content'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'forum.pages.inc',
   );
   $items['admin/content/forum'] = array(
     'title' => 'Forums',
@@ -95,7 +94,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('forum_overview'),
     'access arguments' => array('administer forums'),
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/list'] = array(
     'title' => 'List',
@@ -108,7 +106,6 @@
     'page arguments' => array('container'),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/forum',
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/add/forum'] = array(
     'title' => 'Add forum',
@@ -116,7 +113,6 @@
     'page arguments' => array('forum'),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/forum',
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/settings'] = array(
     'title' => 'Settings',
@@ -125,26 +121,22 @@
     'weight' => 5,
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/forum',
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/edit/%forum_term'] = array(
     'page callback' => 'forum_form_main',
     'type' => MENU_CALLBACK,
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/edit/container/%forum_term'] = array(
     'title' => 'Edit container',
     'page callback' => 'forum_form_main',
     'page arguments' => array('container', 5),
     'type' => MENU_CALLBACK,
-    'file' => 'forum.admin.inc',
   );
   $items['admin/content/forum/edit/forum/%forum_term'] = array(
     'title' => 'Edit forum',
     'page callback' => 'forum_form_main',
     'page arguments' => array('forum', 5),
     'type' => MENU_CALLBACK,
-    'file' => 'forum.admin.inc',
   );
   return $items;
 }
Index: modules/help/help.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/help/help.module,v
retrieving revision 1.78
diff -u -r1.78 help.module
--- modules/help/help.module	14 Dec 2007 18:08:46 -0000	1.78
+++ modules/help/help.module	1 Apr 2008 06:29:21 -0000
@@ -15,7 +15,6 @@
     'page callback' => 'help_main',
     'access arguments' => array('access administration pages'),
     'weight' => 9,
-    'file' => 'help.admin.inc',
   );
 
   foreach (module_implements('help', TRUE) as $module) {
@@ -24,7 +23,6 @@
       'page callback' => 'help_page',
       'page arguments' => array(2),
       'type' => MENU_CALLBACK,
-      'file' => 'help.admin.inc',
     );
   }
 
Index: modules/menu/menu.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/menu/menu.module,v
retrieving revision 1.159
diff -u -r1.159 menu.module
--- modules/menu/menu.module	20 Feb 2008 13:46:40 -0000	1.159
+++ modules/menu/menu.module	1 Apr 2008 06:29:21 -0000
@@ -52,21 +52,18 @@
     'page callback' => 'menu_overview_page',
     'access callback' => 'user_access',
     'access arguments' => array('administer menu'),
-    'file' => 'menu.admin.inc',
   );
 
   $items['admin/build/menu/list'] = array(
     'title' => 'List menus',
     'type' => MENU_DEFAULT_LOCAL_TASK,
     'weight' => -10,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu/add'] = array(
     'title' => 'Add menu',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('menu_edit_menu', 'add'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu/settings'] = array(
     'title' => 'Settings',
@@ -74,7 +71,6 @@
     'page arguments' => array('menu_configure'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 5,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu-customize/%menu'] = array(
     'title' => 'Customize menu',
@@ -84,55 +80,47 @@
     'title arguments' => array(3),
     'access arguments' => array('administer menu'),
     'type' => MENU_CALLBACK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu-customize/%menu/list'] = array(
     'title' => 'List items',
     'weight' => -10,
     'type' => MENU_DEFAULT_LOCAL_TASK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu-customize/%menu/add'] = array(
     'title' => 'Add item',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('menu_edit_item', 'add', NULL, 3),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu-customize/%menu/edit'] = array(
     'title' => 'Edit menu',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('menu_edit_menu', 'edit', 3),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu-customize/%menu/delete'] = array(
     'title' => 'Delete menu',
     'page callback' => 'menu_delete_menu_page',
     'page arguments' => array(3),
     'type' => MENU_CALLBACK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu/item/%menu_link/edit'] = array(
     'title' => 'Edit menu item',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('menu_edit_item', 'edit', 4, NULL),
     'type' => MENU_CALLBACK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu/item/%menu_link/reset'] = array(
     'title' => 'Reset menu item',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('menu_reset_item_confirm', 4),
     'type' => MENU_CALLBACK,
-    'file' => 'menu.admin.inc',
   );
   $items['admin/build/menu/item/%menu_link/delete'] = array(
     'title' => 'Delete menu item',
     'page callback' => 'menu_item_delete_page',
     'page arguments' => array(4),
     'type' => MENU_CALLBACK,
-    'file' => 'menu.admin.inc',
   );
 
   return $items;
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.952
diff -u -r1.952 node.module
--- modules/node/node.module	27 Mar 2008 07:32:00 -0000	1.952
+++ modules/node/node.module	1 Apr 2008 06:29:22 -0000
@@ -1406,7 +1406,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('node_admin_content'),
     'access arguments' => array('administer nodes'),
-    'file' => 'node.admin.inc',
   );
 
   $items['admin/content/node/overview'] = array(
@@ -1421,12 +1420,10 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('node_configure'),
     'access arguments' => array('administer nodes'),
-    'file' => 'node.admin.inc',
   );
   $items['admin/content/node-settings/rebuild'] = array(
     'title' => 'Rebuild permissions',
     'page arguments' => array('node_configure_rebuild_confirm'),
-    'file' => 'node.admin.inc',
     // Any user than can potentially trigger a node_acess_needs_rebuild(TRUE)
     // has to be allowed access to the 'node access rebuild' confirm form.
     'access arguments' => array('access administration pages'),
@@ -1438,7 +1435,6 @@
     'description' => 'Manage posts by content type, including default status, front page promotion, etc.',
     'page callback' => 'node_overview_types',
     'access arguments' => array('administer content types'),
-    'file' => 'content_types.inc',
   );
   $items['admin/content/types/list'] = array(
     'title' => 'List',
@@ -1449,7 +1445,6 @@
     'title' => 'Add content type',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('node_type_form'),
-    'file' => 'content_types.inc',
     'type' => MENU_LOCAL_TASK,
   );
   $items['node'] = array(
@@ -1463,7 +1458,6 @@
     'page callback' => 'node_add_page',
     'access callback' => '_node_add_access',
     'weight' => 1,
-    'file' => 'node.pages.inc',
   );
   $items['rss.xml'] = array(
     'title' => 'RSS feed',
@@ -1481,13 +1475,11 @@
       'access callback' => 'node_access',
       'access arguments' => array('create', $type->type),
       'description' => $type->description,
-      'file' => 'node.pages.inc',
     );
     $items['admin/content/node-type/'. $type_url_str] = array(
       'title' => $type->name,
       'page callback' => 'drupal_get_form',
       'page arguments' => array('node_type_form', $type),
-      'file' => 'content_types.inc',
       'type' => MENU_CALLBACK,
     );
     $items['admin/content/node-type/'. $type_url_str .'/edit'] = array(
@@ -1497,7 +1489,6 @@
     $items['admin/content/node-type/'. $type_url_str .'/delete'] = array(
       'title' => 'Delete',
       'page arguments' => array('node_type_delete_confirm', $type),
-      'file' => 'content_types.inc',
       'type' => MENU_CALLBACK,
     );
   }
@@ -1520,7 +1511,6 @@
     'access callback' => 'node_access',
     'access arguments' => array('update', 1),
     'weight' => 1,
-    'file' => 'node.pages.inc',
     'type' => MENU_LOCAL_TASK,
   );
   $items['node/%node/delete'] = array(
@@ -1529,7 +1519,6 @@
     'page arguments' => array('node_delete_confirm', 1),
     'access callback' => 'node_access',
     'access arguments' => array('delete', 1),
-    'file' => 'node.pages.inc',
     'weight' => 1,
     'type' => MENU_CALLBACK);
   $items['node/%node/revisions'] = array(
@@ -1539,7 +1528,6 @@
     'access callback' => '_node_revision_access',
     'access arguments' => array(1),
     'weight' => 2,
-    'file' => 'node.pages.inc',
     'type' => MENU_LOCAL_TASK,
   );
   $items['node/%node/revisions/%/view'] = array(
@@ -1556,7 +1544,6 @@
     'page arguments' => array('node_revision_revert_confirm', 1),
     'access callback' => '_node_revision_access',
     'access arguments' => array(1, 'update'),
-    'file' => 'node.pages.inc',
     'type' => MENU_CALLBACK,
   );
   $items['node/%node/revisions/%/delete'] = array(
@@ -1566,7 +1553,6 @@
     'page arguments' => array('node_revision_delete_confirm', 1),
     'access callback' => '_node_revision_access',
     'access arguments' => array(1, 'delete'),
-    'file' => 'node.pages.inc',
     'type' => MENU_CALLBACK,
   );
   return $items;
Index: modules/openid/openid.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/openid/openid.module,v
retrieving revision 1.21
diff -u -r1.21 openid.module
--- modules/openid/openid.module	18 Feb 2008 19:34:08 -0000	1.21
+++ modules/openid/openid.module	1 Apr 2008 06:29:22 -0000
@@ -15,7 +15,6 @@
     'page callback' => 'openid_authentication_page',
     'access callback' => 'user_is_anonymous',
     'type' => MENU_CALLBACK,
-    'file' => 'openid.pages.inc',
   );
   $items['user/%user/openid'] = array(
     'title' => 'OpenID identities',
@@ -24,14 +23,12 @@
     'access callback' => 'user_edit_access',
     'access arguments' => array(1),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'openid.pages.inc',
   );
   $items['user/%user/openid/delete'] = array(
     'title' => 'Delete OpenID',
     'page callback' => 'openid_user_delete',
     'page arguments' => array(1),
     'type' => MENU_CALLBACK,
-    'file' => 'openid.pages.inc',
   );
   return $items;
 }
Index: modules/path/path.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/path/path.module,v
retrieving revision 1.140
diff -u -r1.140 path.module
--- modules/path/path.module	13 Mar 2008 21:26:09 -0000	1.140
+++ modules/path/path.module	1 Apr 2008 06:29:22 -0000
@@ -38,20 +38,17 @@
     'description' => "Change your site's URL paths by aliasing them.",
     'page callback' => 'path_admin_overview',
     'access arguments' => array('administer url aliases'),
-    'file' => 'path.admin.inc',
   );
   $items['admin/build/path/edit'] = array(
     'title' => 'Edit alias',
     'page callback' => 'path_admin_edit',
     'type' => MENU_CALLBACK,
-    'file' => 'path.admin.inc',
   );
   $items['admin/build/path/delete'] = array(
     'title' => 'Delete alias',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('path_admin_delete_confirm'),
     'type' => MENU_CALLBACK,
-    'file' => 'path.admin.inc',
   );
   $items['admin/build/path/list'] = array(
     'title' => 'List',
@@ -63,7 +60,6 @@
     'page callback' => 'path_admin_edit',
     'access arguments' => array('administer url aliases'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'path.admin.inc',
   );
 
   return $items;
Index: modules/poll/poll.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/poll/poll.module,v
retrieving revision 1.264
diff -u -r1.264 poll.module
--- modules/poll/poll.module	20 Feb 2008 13:46:40 -0000	1.264
+++ modules/poll/poll.module	1 Apr 2008 06:29:23 -0000
@@ -87,7 +87,6 @@
     'page callback' => 'poll_page',
     'access arguments' => array('access content'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'poll.pages.inc',
   );
 
   $items['node/%node/votes'] = array(
@@ -98,7 +97,6 @@
     'access arguments' => array(1, 'inspect all votes', FALSE),
     'weight' => 3,
     'type' => MENU_LOCAL_TASK,
-    'file' => 'poll.pages.inc',
   );
 
   $items['node/%node/results'] = array(
@@ -109,7 +107,6 @@
     'access arguments' => array(1, 'access content', TRUE),
     'weight' => 3,
     'type' => MENU_LOCAL_TASK,
-    'file' => 'poll.pages.inc',
   );
 
   $items['poll/js'] = array(
Index: modules/profile/profile.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/profile/profile.module,v
retrieving revision 1.236
diff -u -r1.236 profile.module
--- modules/profile/profile.module	3 Feb 2008 19:36:46 -0000	1.236
+++ modules/profile/profile.module	1 Apr 2008 06:29:23 -0000
@@ -81,7 +81,6 @@
     'page callback' => 'profile_browse',
     'access arguments' => array('access user profiles'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'profile.pages.inc',
   );
   $items['admin/user/profile'] = array(
     'title' => 'Profiles',
@@ -89,41 +88,35 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('profile_admin_overview'),
     'access arguments' => array('administer users'),
-    'file' => 'profile.admin.inc',
   );
   $items['admin/user/profile/add'] = array(
     'title' => 'Add field',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('profile_field_form'),
     'type' => MENU_CALLBACK,
-    'file' => 'profile.admin.inc',
   );
   $items['admin/user/profile/autocomplete'] = array(
     'title' => 'Profile category autocomplete',
     'page callback' => 'profile_admin_settings_autocomplete',
     'type' => MENU_CALLBACK,
-    'file' => 'profile.admin.inc',
   );
   $items['admin/user/profile/edit'] = array(
     'title' => 'Edit field',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('profile_field_form'),
     'type' => MENU_CALLBACK,
-    'file' => 'profile.admin.inc',
   );
   $items['admin/user/profile/delete'] = array(
     'title' => 'Delete field',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('profile_field_delete'),
     'type' => MENU_CALLBACK,
-    'file' => 'profile.admin.inc',
   );
   $items['profile/autocomplete'] = array(
     'title' => 'Profile autocomplete',
     'page callback' => 'profile_autocomplete',
     'access arguments' => array('access user profiles'),
     'type' => MENU_CALLBACK,
-    'file' => 'profile.pages.inc',
   );
   return $items;
 }
Index: modules/search/search.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/search/search.module,v
retrieving revision 1.251
diff -u -r1.251 search.module
--- modules/search/search.module	20 Feb 2008 13:46:40 -0000	1.251
+++ modules/search/search.module	1 Apr 2008 06:29:23 -0000
@@ -174,7 +174,6 @@
     'page callback' => 'search_view',
     'access arguments' => array('search content'),
     'type' => MENU_SUGGESTED_ITEM,
-    'file' => 'search.pages.inc',
   );
   $items['admin/settings/search'] = array(
     'title' => 'Search settings',
@@ -183,7 +182,6 @@
     'page arguments' => array('search_admin_settings'),
     'access arguments' => array('administer search'),
     'type' => MENU_NORMAL_ITEM,
-    'file' => 'search.admin.inc',
   );
   $items['admin/settings/search/wipe'] = array(
     'title' => 'Clear index',
@@ -191,14 +189,12 @@
     'page arguments' => array('search_wipe_confirm'),
     'access arguments' => array('administer search'),
     'type' => MENU_CALLBACK,
-    'file' => 'search.admin.inc',
   );
   $items['admin/reports/search'] = array(
     'title' => 'Top search phrases',
     'description' => 'View most popular search phrases.',
     'page callback' => 'dblog_top',
     'page arguments' => array('search'),
-    'file' => 'dblog.admin.inc',
     'file path' => drupal_get_path('module', 'dblog'),
   );
 
@@ -212,7 +208,6 @@
       'access arguments' => array($name),
       'type' => MENU_LOCAL_TASK,
       'parent' => 'search',
-      'file' => 'search.pages.inc',
     );
   }
   return $items;
Index: modules/statistics/statistics.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/statistics/statistics.module,v
retrieving revision 1.273
diff -u -r1.273 statistics.module
--- modules/statistics/statistics.module	20 Feb 2008 13:46:40 -0000	1.273
+++ modules/statistics/statistics.module	1 Apr 2008 06:29:23 -0000
@@ -101,7 +101,6 @@
     'description' => 'View pages that have recently been visited.',
     'page callback' => 'statistics_recent_hits',
     'access arguments' => array('access statistics'),
-    'file' => 'statistics.admin.inc',
   );
   $items['admin/reports/pages'] = array(
     'title' => 'Top pages',
@@ -109,7 +108,6 @@
     'page callback' => 'statistics_top_pages',
     'access arguments' => array('access statistics'),
     'weight' => 1,
-    'file' => 'statistics.admin.inc',
   );
   $items['admin/reports/visitors'] = array(
     'title' => 'Top visitors',
@@ -117,14 +115,12 @@
     'page callback' => 'statistics_top_visitors',
     'access arguments' => array('access statistics'),
     'weight' => 2,
-    'file' => 'statistics.admin.inc',
   );
   $items['admin/reports/referrers'] = array(
     'title' => 'Top referrers',
     'description' => 'View top referrers.',
     'page callback' => 'statistics_top_referrers',
     'access arguments' => array('access statistics'),
-    'file' => 'statistics.admin.inc',
   );
   $items['admin/reports/access/%'] = array(
     'title' => 'Details',
@@ -133,7 +129,6 @@
     'page arguments' => array(3),
     'access arguments' => array('access statistics'),
     'type' => MENU_CALLBACK,
-    'file' => 'statistics.admin.inc',
   );
   $items['admin/reports/settings'] = array(
     'title' => 'Access log settings',
@@ -143,7 +138,6 @@
     'access arguments' => array('administer site configuration'),
     'type' => MENU_NORMAL_ITEM,
     'weight' => 3,
-    'file' => 'statistics.admin.inc',
   );
   $items['user/%user/track/navigation'] = array(
     'title' => 'Track page visits',
@@ -152,7 +146,6 @@
     'access arguments' => array('access statistics'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'statistics.pages.inc',
   );
   $items['node/%node/track'] = array(
     'title' => 'Track',
@@ -161,7 +154,6 @@
     'access arguments' => array('access statistics'),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'statistics.pages.inc',
   );
 
   return $items;
Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.244
diff -u -r1.244 system.install
--- modules/system/system.install	21 Mar 2008 08:52:25 -0000	1.244
+++ modules/system/system.install	1 Apr 2008 06:29:25 -0000
@@ -580,6 +580,8 @@
   $schema['cache_page']['description'] = t('Cache table used to store compressed pages for anonymous users, if page caching is enabled.');
   $schema['cache_menu'] = $schema['cache'];
   $schema['cache_menu']['description'] = t('Cache table for the menu system to store router information as well as generated link trees for various menu/page/user combinations.');
+  $schema['cache_registry'] = $schema['cache'];
+  $schema['cache_registry']['description'] = t('Cache table for the code registry system to remember what code files need to be loaded on any given page.');
 
   $schema['files'] = array(
     'description' => t('Stores information for uploaded files.'),
@@ -836,11 +838,6 @@
         'not null' => TRUE,
         'default' => 0,
       ),
-      'file' => array(
-        'description' => t('The file to include for this element, usually the page callback function lives in this file.'),
-        'type' => 'text',
-        'size' => 'medium',
-      ),
     ),
     'indexes' => array(
       'fit' => array('fit'),
@@ -1033,6 +1030,49 @@
     'primary key' => array('mlid'),
   );
 
+  $schema['registry'] = array(
+    'description' => t("Each record is a function, class, or interface name and the file it is in."),
+    'fields' => array(
+      'name'   => array(
+        'description' => t('The name of the function, class, or interface.'),
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'type'   => array(
+        'description' => t('Either function or class or interface.'),
+        'type' => 'varchar',
+        'length' => 9,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'module' => array(
+        'description' => t('Name of the module this file belongs to.'),
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'hook'   => array(
+        'description' => t('Name of the function minus the name of the module.'),
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'file'   => array(
+        'description' => t('Path to the file.'),
+        'type' => 'text',
+        'size' => 'medium',
+      ),
+    ),
+    'primary key' => array('name', 'type'),
+    'indexes' => array(
+      'module_implements' => array('type', 'hook'),
+    ),
+  );
+
   $schema['sessions'] = array(
     'description' => t("Drupal's session handlers read and write into the sessions table. Each record represents a user session, either anonymous or authenticated."),
     'fields' => array(
@@ -2659,7 +2699,7 @@
 }
 
 /**
- * Generate a cron key and save it in the variables table
+ * Generate a cron key and save it in the variables table.
  */
 function system_update_7001() {
   $ret = array();
@@ -2668,6 +2708,44 @@
   return $ret;
 }
 
+/**
+ * Registry tables and drop the file key of the menu router, since it is no
+ * longer needed.
+ */
+function system_update_7002() {
+  $ret = array();
+  db_drop_field($ret, 'menu_router', 'file');
+  $schema['registry'] = array(
+    'fields' => array(
+      'name'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
+      'type'   => array('type' => 'varchar', 'length' => 9, 'not null' => TRUE, 'default' => ''),
+      'module' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
+      'hook'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
+      'file'   => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'default' => ''),
+    ),
+    'primary key' => array('name', 'type'),
+    'indexes' => array(
+      'module_implements' => array('type', 'hook'),
+    ),
+  );
+  $schema['cache_registry'] = array(
+    'fields' => array(
+      'cid'        => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
+      'data'       => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
+      'expire'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
+      'created'    => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
+      'headers'    => array('type' => 'text', 'not null' => FALSE),
+      'serialized' => array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0)
+    ),
+    'indexes' => array('expire' => array('expire')),
+    'primary key' => array('cid'),
+  );
+  db_create_table($ret, 'cache_registry', $schema['cache_registry']);
+  db_create_table($ret, 'registry', $schema['registry']);
+  drupal_rebuild_code_registry();
+  return $return;
+}
+
 
 /**
  * @} End of "defgroup updates-6.x-to-7.x"
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.593
diff -u -r1.593 system.module
--- modules/system/system.module	11 Mar 2008 08:13:14 -0000	1.593
+++ modules/system/system.module	1 Apr 2008 06:29:25 -0000
@@ -215,24 +215,20 @@
     'access arguments' => array('access administration pages'),
     'page callback' => 'system_main_admin_page',
     'weight' => 9,
-    'file' => 'system.admin.inc',
   );
   $items['admin/compact'] = array(
     'title' => 'Compact mode',
     'page callback' => 'system_admin_compact_page',
     'type' => MENU_CALLBACK,
-    'file' => 'system.admin.inc',
   );
   $items['admin/by-task'] = array(
     'title' => 'By task',
     'page callback' => 'system_main_admin_page',
-    'file' => 'system.admin.inc',
     'type' => MENU_DEFAULT_LOCAL_TASK,
   );
   $items['admin/by-module'] = array(
     'title' => 'By module',
     'page callback' => 'system_admin_by_module',
-    'file' => 'system.admin.inc',
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
   );
@@ -242,7 +238,6 @@
     'position' => 'left',
     'weight' => -10,
     'page callback' => 'system_admin_menu_block_page',
-    'file' => 'system.admin.inc',
   );
 
   // menu items that are basically just menu blocks
@@ -252,7 +247,6 @@
     'position' => 'right',
     'weight' => -5,
     'page callback' => 'system_settings_overview',
-    'file' => 'system.admin.inc',
   );
   $items['admin/build'] = array(
     'title' => 'Site building',
@@ -260,7 +254,6 @@
     'position' => 'right',
     'weight' => -10,
     'page callback' => 'system_admin_menu_block_page',
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/admin'] = array(
     'title' => 'Administration theme',
@@ -270,7 +263,6 @@
     'page arguments' => array('system_admin_theme_settings'),
     'access arguments' => array('administer site configuration'),
     'block callback' => 'system_admin_theme_settings',
-    'file' => 'system.admin.inc',
   );
   // Themes:
   $items['admin/build/themes'] = array(
@@ -279,7 +271,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_themes_form', NULL),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/build/themes/select'] = array(
     'title' => 'List',
@@ -316,7 +307,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_modules'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/build/modules/list'] = array(
     'title' => 'List',
@@ -376,7 +366,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_site_information_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/error-reporting'] = array(
     'title' => 'Error reporting',
@@ -384,14 +373,12 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_error_reporting_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/logging'] = array(
     'title' => 'Logging and alerts',
     'description' => "Settings for logging and alerts modules. Various modules can route Drupal's system events to different destination, such as syslog, database, email, ...etc.",
     'page callback' => 'system_logging_overview',
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/performance'] = array(
     'title' => 'Performance',
@@ -399,7 +386,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_performance_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/file-system'] = array(
     'title' => 'File system',
@@ -407,7 +393,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_file_system_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/image-toolkit'] = array(
     'title' => 'Image toolkit',
@@ -415,7 +400,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_image_toolkit_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/content/rss-publishing'] = array(
     'title' => 'RSS publishing',
@@ -423,7 +407,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_rss_feeds_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/date-time'] = array(
     'title' => 'Date and time',
@@ -431,13 +414,11 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_date_time_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/date-time/lookup'] = array(
     'title' => 'Date and time lookup',
     'type' => MENU_CALLBACK,
     'page callback' => 'system_date_time_lookup',
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/site-maintenance'] = array(
     'title' => 'Site maintenance',
@@ -445,7 +426,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_site_maintenance_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/clean-urls'] = array(
     'title' => 'Clean URLs',
@@ -453,7 +433,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('system_clean_url_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/settings/clean-urls/check'] = array(
     'title' => 'Clean URL check',
@@ -480,7 +459,6 @@
     'access arguments' => array('access site reports'),
     'weight' => 5,
     'position' => 'left',
-    'file' => 'system.admin.inc',
   );
   $items['admin/reports/status'] = array(
     'title' => 'Status report',
@@ -488,32 +466,27 @@
     'page callback' => 'system_status',
     'weight' => 10,
     'access arguments' => array('administer site configuration'),
-    'file' => 'system.admin.inc',
   );
   $items['admin/reports/status/run-cron'] = array(
     'title' => 'Run cron',
     'page callback' => 'system_run_cron',
     'type' => MENU_CALLBACK,
-    'file' => 'system.admin.inc',
   );
   $items['admin/reports/status/php'] = array(
     'title' => 'PHP',
     'page callback' => 'system_php',
     'type' => MENU_CALLBACK,
-    'file' => 'system.admin.inc',
   );
   $items['admin/reports/status/sql'] = array(
     'title' => 'SQL',
     'page callback' => 'system_sql',
     'type' => MENU_CALLBACK,
-    'file' => 'system.admin.inc',
   );
   // Default page for batch operations
   $items['batch'] = array(
     'page callback' => 'system_batch_page',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
-    'file' => 'system.admin.inc',
   );
   return $items;
 }
@@ -1305,6 +1278,13 @@
 }
 
 /**
+ * Implementation of hook_hooks().
+ */
+function system_hooks() {
+  return array('form__alter');
+}
+
+/**
  * Menu callback. Display an overview of available and configured actions.
  */
 function system_actions_manage() {
Index: modules/taxonomy/taxonomy.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.module,v
retrieving revision 1.417
diff -u -r1.417 taxonomy.module
--- modules/taxonomy/taxonomy.module	2 Mar 2008 05:58:40 -0000	1.417
+++ modules/taxonomy/taxonomy.module	1 Apr 2008 06:29:26 -0000
@@ -117,7 +117,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('taxonomy_overview_vocabularies'),
     'access arguments' => array('administer taxonomy'),
-    'file' => 'taxonomy.admin.inc',
   );
 
   $items['admin/content/taxonomy/list'] = array(
@@ -132,7 +131,6 @@
     'page arguments' => array('taxonomy_form_vocabulary'),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/taxonomy',
-    'file' => 'taxonomy.admin.inc',
   );
 
   $items['admin/content/taxonomy/edit/vocabulary/%taxonomy_vocabulary'] = array(
@@ -140,14 +138,12 @@
     'page callback' => 'taxonomy_admin_vocabulary_edit',
     'page arguments' => array(5),
     'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.admin.inc',
   );
 
   $items['admin/content/taxonomy/edit/term'] = array(
     'title' => 'Edit term',
     'page callback' => 'taxonomy_admin_term_edit',
     'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.admin.inc',
   );
 
   $items['taxonomy/term/%'] = array(
@@ -156,7 +152,6 @@
     'page arguments' => array(2),
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.pages.inc',
   );
 
   $items['taxonomy/autocomplete'] = array(
@@ -164,7 +159,6 @@
     'page callback' => 'taxonomy_autocomplete',
     'access arguments' => array('access content'),
     'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.pages.inc',
   );
   $items['admin/content/taxonomy/%taxonomy_vocabulary'] = array(
     'title' => 'List terms',
@@ -172,7 +166,6 @@
     'page arguments' => array('taxonomy_overview_terms', 3),
     'access arguments' => array('administer taxonomy'),
     'type' => MENU_CALLBACK,
-    'file' => 'taxonomy.admin.inc',
   );
 
   $items['admin/content/taxonomy/%taxonomy_vocabulary/list'] = array(
@@ -187,7 +180,6 @@
     'page arguments' => array(3),
     'type' => MENU_LOCAL_TASK,
     'parent' => 'admin/content/taxonomy/%taxonomy_vocabulary',
-    'file' => 'taxonomy.admin.inc',
   );
 
   return $items;
Index: modules/throttle/throttle.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/throttle/throttle.module,v
retrieving revision 1.83
diff -u -r1.83 throttle.module
--- modules/throttle/throttle.module	14 Dec 2007 18:08:49 -0000	1.83
+++ modules/throttle/throttle.module	1 Apr 2008 06:29:26 -0000
@@ -13,7 +13,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('throttle_admin_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'throttle.admin.inc',
   );
   return $items;
 }
Index: modules/tracker/tracker.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/tracker/tracker.module,v
retrieving revision 1.154
diff -u -r1.154 tracker.module
--- modules/tracker/tracker.module	14 Dec 2007 18:08:49 -0000	1.154
+++ modules/tracker/tracker.module	1 Apr 2008 06:29:26 -0000
@@ -28,7 +28,6 @@
     'page callback' => 'tracker_page',
     'access arguments' => array('access content'),
     'weight' => 1,
-    'file' => 'tracker.pages.inc',
   );
   $items['tracker/all'] = array(
     'title' => 'All recent posts',
@@ -47,7 +46,6 @@
     'page callback' => 'tracker_page',
     'page arguments' => array(1, TRUE),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'tracker.pages.inc',
   );
   $items['user/%user/track/posts'] = array(
     'title' => 'Track posts',
Index: modules/translation/translation.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/translation/translation.module,v
retrieving revision 1.24
diff -u -r1.24 translation.module
--- modules/translation/translation.module	20 Feb 2008 13:46:42 -0000	1.24
+++ modules/translation/translation.module	1 Apr 2008 06:29:26 -0000
@@ -63,7 +63,6 @@
     'access arguments' => array(1),
     'type' => MENU_LOCAL_TASK,
     'weight' => 2,
-    'file' => 'translation.pages.inc',
   );
   return $items;
 }
Index: modules/trigger/trigger.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/trigger/trigger.module,v
retrieving revision 1.14
diff -u -r1.14 trigger.module
--- modules/trigger/trigger.module	17 Feb 2008 22:15:04 -0000	1.14
+++ modules/trigger/trigger.module	1 Apr 2008 06:29:26 -0000
@@ -41,7 +41,6 @@
     'page callback' => 'trigger_assign',
     'access callback' => 'trigger_access_check',
     'access arguments' => array('node'),
-    'file' => 'trigger.admin.inc',
   );
   // We don't use a menu wildcard here because these are tabs,
   // not invisible items.
@@ -51,7 +50,6 @@
     'page arguments' => array('node'),
     'access arguments' => array('node'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'trigger.admin.inc',
   );
   $items['admin/build/trigger/user'] = array(
     'title' => 'Users',
@@ -59,7 +57,6 @@
     'page arguments' => array('user'),
     'access arguments' => array('user'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'trigger.admin.inc',
   );
   $items['admin/build/trigger/comment'] = array(
     'title' => 'Comments',
@@ -68,7 +65,6 @@
     'access callback' => 'trigger_access_check',
     'access arguments' => array('comment'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'trigger.admin.inc',
   );
   $items['admin/build/trigger/taxonomy'] = array(
     'title' => 'Taxonomy',
@@ -77,14 +73,12 @@
     'access callback' => 'trigger_access_check',
     'access arguments' => array('taxonomy'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'trigger.admin.inc',
   );
   $items['admin/build/trigger/cron'] = array(
     'title' => 'Cron',
     'page callback' => 'trigger_assign',
     'page arguments' => array('cron'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'trigger.admin.inc',
   );
 
   // We want contributed modules to be able to describe
@@ -104,7 +98,6 @@
       'page arguments' => array($module),
       'access arguments' => array($module),
       'type' => MENU_LOCAL_TASK,
-      'file' => 'trigger.admin.inc',
     );
   }
   $items['admin/build/trigger/unassign'] = array(
@@ -113,7 +106,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('trigger_unassign'),
     'type' => MENU_CALLBACK,
-    'file' => 'trigger.admin.inc',
   );
 
   return $items;
Index: modules/update/update.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/update/update.module,v
retrieving revision 1.17
diff -u -r1.17 update.module
--- modules/update/update.module	30 Jan 2008 10:14:42 -0000	1.17
+++ modules/update/update.module	1 Apr 2008 06:29:26 -0000
@@ -121,14 +121,12 @@
     'description' => 'Get a status report about available updates for your installed modules and themes.',
     'page callback' => 'update_status',
     'access arguments' => array('administer site configuration'),
-    'file' => 'update.report.inc',
     'weight' => 10,
   );
   $items['admin/reports/updates/list'] = array(
     'title' => 'List',
     'page callback' => 'update_status',
     'access arguments' => array('administer site configuration'),
-    'file' => 'update.report.inc',
     'type' => MENU_DEFAULT_LOCAL_TASK,
   );
   $items['admin/reports/updates/settings'] = array(
@@ -136,14 +134,12 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('update_settings'),
     'access arguments' => array('administer site configuration'),
-    'file' => 'update.settings.inc',
     'type' => MENU_LOCAL_TASK,
   );
   $items['admin/reports/updates/check'] = array(
     'title' => 'Manual update check',
     'page callback' => 'update_manual_status',
     'access arguments' => array('administer site configuration'),
-    'file' => 'update.fetch.inc',
     'type' => MENU_CALLBACK,
   );
 
Index: modules/upload/upload.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/upload/upload.module,v
retrieving revision 1.199
diff -u -r1.199 upload.module
--- modules/upload/upload.module	20 Feb 2008 13:46:42 -0000	1.199
+++ modules/upload/upload.module	1 Apr 2008 06:29:27 -0000
@@ -92,7 +92,6 @@
     'page arguments' => array('upload_admin_settings'),
     'access arguments' => array('administer site configuration'),
     'type' => MENU_NORMAL_ITEM,
-    'file' => 'upload.admin.inc',
   );
   return $items;
 }
Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.898
diff -u -r1.898 user.module
--- modules/user/user.module	31 Mar 2008 20:50:05 -0000	1.898
+++ modules/user/user.module	1 Apr 2008 06:29:28 -0000
@@ -847,7 +847,6 @@
     'access callback' => 'user_access',
     'access arguments' => array('access user profiles'),
     'type' => MENU_CALLBACK,
-    'file' => 'user.pages.inc',
   );
 
   // Registration and login pages.
@@ -856,7 +855,6 @@
     'page callback' => 'user_page',
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
-    'file' => 'user.pages.inc',
   );
 
   $items['user/login'] = array(
@@ -871,7 +869,6 @@
     'page arguments' => array('user_register'),
     'access callback' => 'user_register_access',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.pages.inc',
   );
 
   $items['user/password'] = array(
@@ -880,7 +877,6 @@
     'page arguments' => array('user_pass'),
     'access callback' => 'user_is_anonymous',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.pages.inc',
   );
   $items['user/reset/%/%/%'] = array(
     'title' => 'Reset password',
@@ -888,7 +884,6 @@
     'page arguments' => array('user_pass_reset', 2, 3, 4),
     'access callback' => TRUE,
     'type' => MENU_CALLBACK,
-    'file' => 'user.pages.inc',
   );
 
   // Admin user pages.
@@ -898,8 +893,6 @@
     'position' => 'left',
     'page callback' => 'system_admin_menu_block_page',
     'access arguments' => array('access administration pages'),
-    'file' => 'system.admin.inc',
-    'file path' => drupal_get_path('module', 'system'),
   );
   $items['admin/user/user'] = array(
     'title' => 'Users',
@@ -907,7 +900,6 @@
     'page callback' => 'user_admin',
     'page arguments' => array('list'),
     'access arguments' => array('administer users'),
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/user/list'] = array(
     'title' => 'List',
@@ -918,7 +910,6 @@
     'title' => 'Add user',
     'page arguments' => array('create'),
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/settings'] = array(
     'title' => 'User settings',
@@ -926,7 +917,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('user_admin_settings'),
     'access arguments' => array('administer users'),
-    'file' => 'user.admin.inc',
   );
 
   // Admin access pages.
@@ -936,7 +926,6 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('user_admin_perm'),
     'access arguments' => array('administer permissions'),
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/roles'] = array(
     'title' => 'Roles',
@@ -944,20 +933,17 @@
     'page callback' => 'drupal_get_form',
     'page arguments' => array('user_admin_new_role'),
     'access arguments' => array('administer permissions'),
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/roles/edit'] = array(
     'title' => 'Edit role',
     'page arguments' => array('user_admin_role'),
     'type' => MENU_CALLBACK,
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/rules'] = array(
     'title' => 'Access rules',
     'description' => 'List and create rules to disallow usernames, e-mail addresses, and IP addresses.',
     'page callback' => 'user_admin_access',
     'access arguments' => array('administer permissions'),
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/rules/list'] = array(
     'title' => 'List',
@@ -968,26 +954,22 @@
     'title' => 'Add rule',
     'page callback' => 'user_admin_access_add',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/rules/check'] = array(
     'title' => 'Check rules',
     'page callback' => 'user_admin_access_check',
     'type' => MENU_LOCAL_TASK,
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/rules/edit'] = array(
     'title' => 'Edit rule',
     'page callback' => 'user_admin_access_edit',
     'type' => MENU_CALLBACK,
-    'file' => 'user.admin.inc',
   );
   $items['admin/user/rules/delete'] = array(
     'title' => 'Delete rule',
     'page callback' => 'drupal_get_form',
     'page arguments' => array('user_admin_access_delete_confirm'),
     'type' => MENU_CALLBACK,
-    'file' => 'user.admin.inc',
   );
 
   $items['logout'] = array(
@@ -995,7 +977,6 @@
     'access callback' => 'user_is_logged_in',
     'page callback' => 'user_logout',
     'weight' => 10,
-    'file' => 'user.pages.inc',
   );
 
   $items['user/%user_current'] = array(
@@ -1007,7 +988,6 @@
     'access callback' => 'user_view_access',
     'access arguments' => array(1),
     'parent' => '',
-    'file' => 'user.pages.inc',
   );
 
   $items['user/%user/view'] = array(
@@ -1023,7 +1003,6 @@
     'access callback' => 'user_access',
     'access arguments' => array('administer users'),
     'type' => MENU_CALLBACK,
-    'file' => 'user.pages.inc',
   );
 
   $items['user/%user_category/edit'] = array(
@@ -1034,7 +1013,6 @@
     'access arguments' => array(1),
     'type' => MENU_LOCAL_TASK,
     'load arguments' => array('%map', '%index'),
-    'file' => 'user.pages.inc',
   );
 
   $items['user/%user_category/edit/account'] = array(
@@ -1059,7 +1037,6 @@
           'weight' => $category['weight'],
           'load arguments' => array('%map', '%index'),
           'tab_parent' => 'user/%/edit',
-          'file' => 'user.pages.inc',
         );
       }
     }