7 files changed, 60 insertions, 49 deletions
diff --git a/phpBB/language/en/acp/board.php b/phpBB/language/en/acp/board.php
index 8ca937a58d..18968d6c97 100644
--- a/phpBB/language/en/acp/board.php
+++ b/phpBB/language/en/acp/board.php
@@ -45,7 +45,7 @@ $lang = array_merge($lang, array(
 	'DEFAULT_LANGUAGE'				=> 'Default language',
 	'DEFAULT_STYLE'					=> 'Default style',
 	'DISABLE_BOARD'					=> 'Disable board',
-	'DISABLE_BOARD_EXPLAIN'			=> 'This will make the board unavailable to users. You can also enter a short (255 character) message to display if you wish.',
+	'DISABLE_BOARD_EXPLAIN'			=> 'This will make the board unavailable to users who are neither administrators nor moderators. You can also enter a short (255 character) message to display if you wish.',
 	'DISPLAY_LAST_SUBJECT'			=> 'Display subject of last added post on forum list',
 	'DISPLAY_LAST_SUBJECT_EXPLAIN'	=> 'The subject of the last added post will be displayed in the forum list with a hyperlink to the post. Subjects from password protected forums and forums in which user doesn’t have read access are not shown.',
 	'OVERRIDE_STYLE'				=> 'Override user style',
diff --git a/phpBB/language/en/acp/common.php b/phpBB/language/en/acp/common.php
index 0e867c64a9..428b9ffd3b 100644
--- a/phpBB/language/en/acp/common.php
+++ b/phpBB/language/en/acp/common.php
@@ -83,7 +83,7 @@ $lang = array_merge($lang, array(
 	'ACP_EMAIL_SETTINGS'		=> 'Email settings',
 	'ACP_EXTENSION_GROUPS'		=> 'Manage attachment extension groups',
 	'ACP_EXTENSION_MANAGEMENT'	=> 'Extension management',
-	'ACP_EXTENSIONS'			=> 'Extensions',
+	'ACP_EXTENSIONS'			=> 'Manage extensions',
 
 
 	'ACP_FORUM_BASED_PERMISSIONS'	=> 'Forum based permissions',
@@ -288,7 +288,6 @@ $lang = array_merge($lang, array(
 	'RESYNC'							=> 'Resynchronise',
 	'RESYNC_FILES_STATS'				=> 'Resynchronise files statistics',
 	'RESYNC_FILES_STATS_EXPLAIN'		=> 'Recalculates the total number and size of files attached to posts and private messages.',
-	'RETURN_TO'							=> 'Return to…',
 
 	'SELECT_ANONYMOUS'		=> 'Select anonymous user',
 	'SELECT_OPTION'			=> 'Select option',
diff --git a/phpBB/language/en/acp/permissions.php b/phpBB/language/en/acp/permissions.php
index 709836e828..6e3ba6876a 100644
--- a/phpBB/language/en/acp/permissions.php
+++ b/phpBB/language/en/acp/permissions.php
@@ -57,7 +57,7 @@ $lang = array_merge($lang, array(
 
 	'ACL_NEVER'				=> 'Never',
 	'ACL_SET'				=> 'Setting permissions',
-	'ACL_SET_EXPLAIN'		=> 'Permissions are based on a simple <samp>YES</samp>/<samp>NO</samp> system. Setting an option to <samp>NEVER</samp> for a user or usergroup overrides any other value assigned to it. If you do not wish to assign a value for an option for this user or group select <samp>NO</samp>. If values are assigned for this option elsewhere they will be used in preference, else <samp>NEVER</samp> is assumed. All objects marked (with the checkbox in front of them) will copy the permission set you defined.',
+	'ACL_SET_EXPLAIN'		=> 'Permissions are based on a simple <strong>YES</strong>/<strong>NO</strong> system. Setting an option to <strong>NEVER</strong> for a user or usergroup overrides any other value assigned to it. If you do not wish to assign a value for an option for this user or group select <strong>NO</strong>. If values are assigned for this option elsewhere they will be used in preference, else <strong>NEVER</strong> is assumed. All objects marked (with the checkbox in front of them) will copy the permission set you defined.',
 	'ACL_SETTING'			=> 'Setting',
 
 	'ACL_TYPE_A_'			=> 'Administrative permissions',
@@ -100,10 +100,10 @@ $lang = array_merge($lang, array(
 	'ADD_USERS'					=> 'Add users',
 	'ADVANCED_PERMISSIONS'		=> 'Advanced Permissions',
 	'ALL_GROUPS'				=> 'Select all groups',
-	'ALL_NEVER'					=> 'All <samp>NEVER</samp>',
-	'ALL_NO'					=> 'All <samp>NO</samp>',
+	'ALL_NEVER'					=> 'All <strong>NEVER</strong>',
+	'ALL_NO'					=> 'All <strong>NO</strong>',
 	'ALL_USERS'					=> 'Select all users',
-	'ALL_YES'					=> 'All <samp>YES</samp>',
+	'ALL_YES'					=> 'All <strong>YES</strong>',
 	'APPLY_ALL_PERMISSIONS'		=> 'Apply all permissions',
 	'APPLY_PERMISSIONS'			=> 'Apply permissions',
 	'APPLY_PERMISSIONS_EXPLAIN'	=> 'The permissions and role defined for this item will only be applied to this item and all checked items.',
@@ -137,7 +137,7 @@ $lang = array_merge($lang, array(
 
 	'NO_AUTH_SETTING_FOUND'		=> 'Permission settings not defined.',
 	'NO_ROLE_ASSIGNED'			=> 'No role assigned…',
-	'NO_ROLE_ASSIGNED_EXPLAIN'	=> 'Setting to this role does not change permissions on the right. If you want to unset/remove all permissions you should use the “All <samp>NO</samp>” link.',
+	'NO_ROLE_ASSIGNED_EXPLAIN'	=> 'Setting to this role does not change permissions on the right. If you want to unset/remove all permissions you should use the “All <strong>NO</strong>” link.',
 	'NO_ROLE_AVAILABLE'			=> 'No role available',
 	'NO_ROLE_NAME_SPECIFIED'	=> 'Please give the role a name.',
 	'NO_ROLE_SELECTED'			=> 'Role could not be found.',
@@ -196,7 +196,7 @@ $lang = array_merge($lang, array(
 	'ROLE_DESCRIPTION_FORUM_POLLS'			=> 'Like Standard Access but can also create polls.',
 	'ROLE_DESCRIPTION_FORUM_READONLY'		=> 'Can read the forum, but cannot create new topics or reply to posts.',
 	'ROLE_DESCRIPTION_FORUM_STANDARD'		=> 'Can use most forum features including attachments and deleting own topics, but cannot lock own topics, and cannot create polls.',
-	'ROLE_DESCRIPTION_FORUM_NEW_MEMBER'		=> 'A role for members of the special newly registered users group; contains <samp>NEVER</samp> permissions to lock features for new users.',
+	'ROLE_DESCRIPTION_FORUM_NEW_MEMBER'		=> 'A role for members of the special newly registered users group; contains <strong>NEVER</strong> permissions to lock features for new users.',
 	'ROLE_DESCRIPTION_MOD_FULL'				=> 'Can use all moderating features, including banning.',
 	'ROLE_DESCRIPTION_MOD_QUEUE'			=> 'Can use the Moderation Queue to validate and edit posts, but nothing else.',
 	'ROLE_DESCRIPTION_MOD_SIMPLE'			=> 'Can only use basic topic actions. Cannot send warnings or use moderation queue.',
@@ -206,7 +206,7 @@ $lang = array_merge($lang, array(
 	'ROLE_DESCRIPTION_USER_NOAVATAR'		=> 'Has a limited feature set and is not allowed to use the Avatar feature.',
 	'ROLE_DESCRIPTION_USER_NOPM'			=> 'Has a limited feature set, and is not allowed to use Private Messages.',
 	'ROLE_DESCRIPTION_USER_STANDARD'		=> 'Can access most but not all user features. Cannot change user name or ignore the flood limit, for instance.',
-	'ROLE_DESCRIPTION_USER_NEW_MEMBER'		=> 'A role for members of the special newly registered users group; contains <samp>NEVER</samp> permissions to lock features for new users.',
+	'ROLE_DESCRIPTION_USER_NEW_MEMBER'		=> 'A role for members of the special newly registered users group; contains <strong>NEVER</strong> permissions to lock features for new users.',
 
 	'ROLE_DESCRIPTION_EXPLAIN'		=> 'You are able to enter a short explanation of what the role is doing or for what it is meant for. The text you enter here will be displayed within the permissions screens too.',
 	'ROLE_DESCRIPTION_LONG'			=> 'The role description is too long, please limit it to 4000 characters.',
@@ -227,48 +227,48 @@ $lang = array_merge($lang, array(
 	'SET_USERS_PERMISSIONS'			=> 'Set user permissions',
 	'SET_USERS_FORUM_PERMISSIONS'	=> 'Set user forum permissions',
 
-	'TRACE_DEFAULT'					=> 'By default every permission is <samp>NO</samp> (unset). So the permission can be overwritten by other settings.',
+	'TRACE_DEFAULT'					=> 'By default every permission is <strong>NO</strong> (unset). So the permission can be overwritten by other settings.',
 	'TRACE_FOR'						=> 'Trace for',
 	'TRACE_GLOBAL_SETTING'			=> '%s (global)',
-	'TRACE_GROUP_NEVER_TOTAL_NEVER'	=> 'This group’s permission is set to <samp>NEVER</samp> like the total result so the old result is kept.',
-	'TRACE_GROUP_NEVER_TOTAL_NEVER_LOCAL'	=> 'This group’s permission for this forum is set to <samp>NEVER</samp> like the total result so the old result is kept.',
-	'TRACE_GROUP_NEVER_TOTAL_NO'	=> 'This group’s permission is set to <samp>NEVER</samp> which becomes the new total value because it wasn’t set yet (set to <samp>NO</samp>).',
-	'TRACE_GROUP_NEVER_TOTAL_NO_LOCAL'	=> 'This group’s permission for this forum is set to <samp>NEVER</samp> which becomes the new total value because it wasn’t set yet (set to <samp>NO</samp>).',
-	'TRACE_GROUP_NEVER_TOTAL_YES'	=> 'This group’s permission is set to <samp>NEVER</samp> which overwrites the total <samp>YES</samp> to a <samp>NEVER</samp> for this user.',
-	'TRACE_GROUP_NEVER_TOTAL_YES_LOCAL'	=> 'This group’s permission for this forum is set to <samp>NEVER</samp> which overwrites the total <samp>YES</samp> to a <samp>NEVER</samp> for this user.',
-	'TRACE_GROUP_NO'				=> 'The permission is <samp>NO</samp> for this group so the old total value is kept.',
-	'TRACE_GROUP_NO_LOCAL'			=> 'The permission is <samp>NO</samp> for this group within this forum so the old total value is kept.',
-	'TRACE_GROUP_YES_TOTAL_NEVER'	=> 'This group’s permission is set to <samp>YES</samp> but the total <samp>NEVER</samp> cannot be overwritten.',
-	'TRACE_GROUP_YES_TOTAL_NEVER_LOCAL'	=> 'This group’s permission for this forum is set to <samp>YES</samp> but the total <samp>NEVER</samp> cannot be overwritten.',
-	'TRACE_GROUP_YES_TOTAL_NO'		=> 'This group’s permission is set to <samp>YES</samp> which becomes the new total value because it wasn’t set yet (set to <samp>NO</samp>).',
-	'TRACE_GROUP_YES_TOTAL_NO_LOCAL'	=> 'This group’s permission for this forum is set to <samp>YES</samp> which becomes the new total value because it wasn’t set yet (set to <samp>NO</samp>).',
-	'TRACE_GROUP_YES_TOTAL_YES'		=> 'This group’s permission is set to <samp>YES</samp> and the total permission is already set to <samp>YES</samp>, so the total result is kept.',
-	'TRACE_GROUP_YES_TOTAL_YES_LOCAL'	=> 'This group’s permission for this forum is set to <samp>YES</samp> and the total permission is already set to <samp>YES</samp>, so the total result is kept.',
+	'TRACE_GROUP_NEVER_TOTAL_NEVER'	=> 'This group’s permission is set to <strong>NEVER</strong> like the total result so the old result is kept.',
+	'TRACE_GROUP_NEVER_TOTAL_NEVER_LOCAL'	=> 'This group’s permission for this forum is set to <strong>NEVER</strong> like the total result so the old result is kept.',
+	'TRACE_GROUP_NEVER_TOTAL_NO'	=> 'This group’s permission is set to <strong>NEVER</strong> which becomes the new total value because it wasn’t set yet (set to <strong>NO</strong>).',
+	'TRACE_GROUP_NEVER_TOTAL_NO_LOCAL'	=> 'This group’s permission for this forum is set to <strong>NEVER</strong> which becomes the new total value because it wasn’t set yet (set to <strong>NO</strong>).',
+	'TRACE_GROUP_NEVER_TOTAL_YES'	=> 'This group’s permission is set to <strong>NEVER</strong> which overwrites the total <strong>YES</strong> to a <strong>NEVER</strong> for this user.',
+	'TRACE_GROUP_NEVER_TOTAL_YES_LOCAL'	=> 'This group’s permission for this forum is set to <strong>NEVER</strong> which overwrites the total <strong>YES</strong> to a <strong>NEVER</strong> for this user.',
+	'TRACE_GROUP_NO'				=> 'The permission is <strong>NO</strong> for this group so the old total value is kept.',
+	'TRACE_GROUP_NO_LOCAL'			=> 'The permission is <strong>NO</strong> for this group within this forum so the old total value is kept.',
+	'TRACE_GROUP_YES_TOTAL_NEVER'	=> 'This group’s permission is set to <strong>YES</strong> but the total <strong>NEVER</strong> cannot be overwritten.',
+	'TRACE_GROUP_YES_TOTAL_NEVER_LOCAL'	=> 'This group’s permission for this forum is set to <strong>YES</strong> but the total <strong>NEVER</strong> cannot be overwritten.',
+	'TRACE_GROUP_YES_TOTAL_NO'		=> 'This group’s permission is set to <strong>YES</strong> which becomes the new total value because it wasn’t set yet (set to <strong>NO</strong>).',
+	'TRACE_GROUP_YES_TOTAL_NO_LOCAL'	=> 'This group’s permission for this forum is set to <strong>YES</strong> which becomes the new total value because it wasn’t set yet (set to <strong>NO</strong>).',
+	'TRACE_GROUP_YES_TOTAL_YES'		=> 'This group’s permission is set to <strong>YES</strong> and the total permission is already set to <strong>YES</strong>, so the total result is kept.',
+	'TRACE_GROUP_YES_TOTAL_YES_LOCAL'	=> 'This group’s permission for this forum is set to <strong>YES</strong> and the total permission is already set to <strong>YES</strong>, so the total result is kept.',
 	'TRACE_PERMISSION'				=> 'Trace permission - %s',
 	'TRACE_RESULT'					=> 'Trace result',
 	'TRACE_SETTING'					=> 'Trace setting',
 
-	'TRACE_USER_GLOBAL_YES_TOTAL_YES'		=> 'The forum independent user permission evaluates to <samp>YES</samp> but the total permission is already set to <samp>YES</samp>, so the total result is kept. %sTrace global permission%s',
-	'TRACE_USER_GLOBAL_YES_TOTAL_NEVER'		=> 'The forum independent user permission evaluates to <samp>YES</samp> which overwrites the current local result <samp>NEVER</samp>. %sTrace global permission%s',
-	'TRACE_USER_GLOBAL_NEVER_TOTAL_KEPT'	=> 'The forum independent user permission evaluates to <samp>NEVER</samp> which doesn’t influence the local permission. %sTrace global permission%s',
-
-	'TRACE_USER_FOUNDER'					=> 'The user is a founder, therefore admin permissions are always set to <samp>YES</samp>.',
-	'TRACE_USER_KEPT'						=> 'The user’s permission is <samp>NO</samp> so the old total value is kept.',
-	'TRACE_USER_KEPT_LOCAL'					=> 'The user’s permission for this forum is <samp>NO</samp> so the old total value is kept.',
-	'TRACE_USER_NEVER_TOTAL_NEVER'			=> 'The user’s permission is set to <samp>NEVER</samp> and the total value is set to <samp>NEVER</samp>, so nothing is changed.',
-	'TRACE_USER_NEVER_TOTAL_NEVER_LOCAL'	=> 'The user’s permission for this forum is set to <samp>NEVER</samp> and the total value is set to <samp>NEVER</samp>, so nothing is changed.',
-	'TRACE_USER_NEVER_TOTAL_NO'				=> 'The user’s permission is set to <samp>NEVER</samp> which becomes the total value because it was set to NO.',
-	'TRACE_USER_NEVER_TOTAL_NO_LOCAL'		=> 'The user’s permission for this forum is set to <samp>NEVER</samp> which becomes the total value because it was set to NO.',
-	'TRACE_USER_NEVER_TOTAL_YES'			=> 'The user’s permission is set to <samp>NEVER</samp> and overwrites the previous <samp>YES</samp>.',
-	'TRACE_USER_NEVER_TOTAL_YES_LOCAL'		=> 'The user’s permission for this forum is set to <samp>NEVER</samp> and overwrites the previous <samp>YES</samp>.',
-	'TRACE_USER_NO_TOTAL_NO'				=> 'The user’s permission is <samp>NO</samp> and the total value was set to NO so it defaults to <samp>NEVER</samp>.',
-	'TRACE_USER_NO_TOTAL_NO_LOCAL'			=> 'The user’s permission for this forum is <samp>NO</samp> and the total value was set to NO so it defaults to <samp>NEVER</samp>.',
-	'TRACE_USER_YES_TOTAL_NEVER'			=> 'The user’s permission is set to <samp>YES</samp> but the total <samp>NEVER</samp> cannot be overwritten.',
-	'TRACE_USER_YES_TOTAL_NEVER_LOCAL'		=> 'The user’s permission for this forum is set to <samp>YES</samp> but the total <samp>NEVER</samp> cannot be overwritten.',
-	'TRACE_USER_YES_TOTAL_NO'				=> 'The user’s permission is set to <samp>YES</samp> which becomes the total value because it was set to <samp>NO</samp>.',
-	'TRACE_USER_YES_TOTAL_NO_LOCAL'			=> 'The user’s permission for this forum is set to <samp>YES</samp> which becomes the total value because it was set to <samp>NO</samp>.',
-	'TRACE_USER_YES_TOTAL_YES'				=> 'The user’s permission is set to <samp>YES</samp> and the total value is set to <samp>YES</samp>, so nothing is changed.',
-	'TRACE_USER_YES_TOTAL_YES_LOCAL'		=> 'The user’s permission for this forum is set to <samp>YES</samp> and the total value is set to <samp>YES</samp>, so nothing is changed.',
+	'TRACE_USER_GLOBAL_YES_TOTAL_YES'		=> 'The forum independent user permission evaluates to <strong>YES</strong> but the total permission is already set to <strong>YES</strong>, so the total result is kept. %sTrace global permission%s',
+	'TRACE_USER_GLOBAL_YES_TOTAL_NEVER'		=> 'The forum independent user permission evaluates to <strong>YES</strong> which overwrites the current local result <strong>NEVER</strong>. %sTrace global permission%s',
+	'TRACE_USER_GLOBAL_NEVER_TOTAL_KEPT'	=> 'The forum independent user permission evaluates to <strong>NEVER</strong> which doesn’t influence the local permission. %sTrace global permission%s',
+
+	'TRACE_USER_FOUNDER'					=> 'The user is a founder, therefore admin permissions are always set to <strong>YES</strong>.',
+	'TRACE_USER_KEPT'						=> 'The user’s permission is <strong>NO</strong> so the old total value is kept.',
+	'TRACE_USER_KEPT_LOCAL'					=> 'The user’s permission for this forum is <strong>NO</strong> so the old total value is kept.',
+	'TRACE_USER_NEVER_TOTAL_NEVER'			=> 'The user’s permission is set to <strong>NEVER</strong> and the total value is set to <strong>NEVER</strong>, so nothing is changed.',
+	'TRACE_USER_NEVER_TOTAL_NEVER_LOCAL'	=> 'The user’s permission for this forum is set to <strong>NEVER</strong> and the total value is set to <strong>NEVER</strong>, so nothing is changed.',
+	'TRACE_USER_NEVER_TOTAL_NO'				=> 'The user’s permission is set to <strong>NEVER</strong> which becomes the total value because it was set to NO.',
+	'TRACE_USER_NEVER_TOTAL_NO_LOCAL'		=> 'The user’s permission for this forum is set to <strong>NEVER</strong> which becomes the total value because it was set to NO.',
+	'TRACE_USER_NEVER_TOTAL_YES'			=> 'The user’s permission is set to <strong>NEVER</strong> and overwrites the previous <strong>YES</strong>.',
+	'TRACE_USER_NEVER_TOTAL_YES_LOCAL'		=> 'The user’s permission for this forum is set to <strong>NEVER</strong> and overwrites the previous <strong>YES</strong>.',
+	'TRACE_USER_NO_TOTAL_NO'				=> 'The user’s permission is <strong>NO</strong> and the total value was set to NO so it defaults to <strong>NEVER</strong>.',
+	'TRACE_USER_NO_TOTAL_NO_LOCAL'			=> 'The user’s permission for this forum is <strong>NO</strong> and the total value was set to NO so it defaults to <strong>NEVER</strong>.',
+	'TRACE_USER_YES_TOTAL_NEVER'			=> 'The user’s permission is set to <strong>YES</strong> but the total <strong>NEVER</strong> cannot be overwritten.',
+	'TRACE_USER_YES_TOTAL_NEVER_LOCAL'		=> 'The user’s permission for this forum is set to <strong>YES</strong> but the total <strong>NEVER</strong> cannot be overwritten.',
+	'TRACE_USER_YES_TOTAL_NO'				=> 'The user’s permission is set to <strong>YES</strong> which becomes the total value because it was set to <strong>NO</strong>.',
+	'TRACE_USER_YES_TOTAL_NO_LOCAL'			=> 'The user’s permission for this forum is set to <strong>YES</strong> which becomes the total value because it was set to <strong>NO</strong>.',
+	'TRACE_USER_YES_TOTAL_YES'				=> 'The user’s permission is set to <strong>YES</strong> and the total value is set to <strong>YES</strong>, so nothing is changed.',
+	'TRACE_USER_YES_TOTAL_YES_LOCAL'		=> 'The user’s permission for this forum is set to <strong>YES</strong> and the total value is set to <strong>YES</strong>, so nothing is changed.',
 	'TRACE_WHO'								=> 'Who',
 	'TRACE_TOTAL'							=> 'Total',
 
diff --git a/phpBB/language/en/acp/profile.php b/phpBB/language/en/acp/profile.php
index 93162daa45..dc42693ca7 100644
--- a/phpBB/language/en/acp/profile.php
+++ b/phpBB/language/en/acp/profile.php
@@ -39,6 +39,7 @@ $lang = array_merge($lang, array(
 	'ADDED_PROFILE_FIELD'	=> 'Successfully added custom profile field.',
 	'ALPHA_ONLY'			=> 'Alphanumeric only',
 	'ALPHA_SPACERS'			=> 'Alphanumeric and spacers',
+	'ALPHA_UNDERSCORE'		=> 'Alphanumeric and underscores',
 	'ALWAYS_TODAY'			=> 'Always the current date',
 
 	'BOOL_ENTRIES_EXPLAIN'	=> 'Enter your options now',
diff --git a/phpBB/language/en/acp/users.php b/phpBB/language/en/acp/users.php
index 865a2a0371..9faf1d0de9 100644
--- a/phpBB/language/en/acp/users.php
+++ b/phpBB/language/en/acp/users.php
@@ -51,6 +51,7 @@ $lang = array_merge($lang, array(
 	'CANNOT_FORCE_REACT_FOUNDER'	=> 'You are not allowed to force reactivation on founder accounts.',
 	'CANNOT_FORCE_REACT_YOURSELF'	=> 'You are not allowed to force reactivation of your own account.',
 	'CANNOT_REMOVE_ANONYMOUS'		=> 'You are not able to remove the guest user account.',
+	'CANNOT_REMOVE_FOUNDER'			=> 'You are not allowed to remove founder accounts.',
 	'CANNOT_REMOVE_YOURSELF'		=> 'You are not allowed to remove your own user account.',
 	'CANNOT_SET_FOUNDER_IGNORED'	=> 'You are not able to promote ignored users to be founders.',
 	'CANNOT_SET_FOUNDER_INACTIVE'	=> 'You need to activate users before you promote them to founders, only activated users are able to be promoted.',
diff --git a/phpBB/language/en/common.php b/phpBB/language/en/common.php
index 5ab420cf76..360d6be1e0 100644
--- a/phpBB/language/en/common.php
+++ b/phpBB/language/en/common.php
@@ -402,6 +402,9 @@ $lang = array_merge($lang, array(
 	'MODERATE'				=> 'Moderate',
 	'MODERATOR'				=> 'Moderator',
 	'MODERATORS'			=> 'Moderators',
+	'MODULE_NOT_ACCESS'		=> 'Module not accessible',
+	'MODULE_NOT_FIND'		=> 'Cannot find module %s',
+	'MODULE_FILE_INCORRECT_CLASS'	=> 'Module file %s does not contain correct class [%s]',
 	'MONTH'					=> 'Month',
 	'MOVE'					=> 'Move',
 
@@ -597,7 +600,8 @@ $lang = array_merge($lang, array(
 	'RETURN_FORUM'				=> '%sReturn to the forum last visited%s',
 	'RETURN_PAGE'				=> '%sReturn to the previous page%s',
 	'RETURN_TOPIC'				=> '%sReturn to the topic last visited%s',
-	'RETURN_TO'					=> 'Return to',
+	'RETURN_TO'					=> 'Return to “%s”',
+	'RETURN_TO_INDEX'			=> 'Return to Board Index',
 	'FEED'						=> 'Feed',
 	'FEED_NEWS'					=> 'News',
 	'FEED_TOPICS_ACTIVE'		=> 'Active Topics',
diff --git a/phpBB/language/en/ucp.php b/phpBB/language/en/ucp.php
index a0f7a32116..40c8bd9f8e 100644
--- a/phpBB/language/en/ucp.php
+++ b/phpBB/language/en/ucp.php
@@ -205,9 +205,11 @@ $lang = array_merge($lang, array(
 	),
 	'FIELD_TOO_SMALL'					=> 'The value of “%2$s” is too small, a minimum value of %1$d is required.',
 	'FIELD_TOO_LARGE'					=> 'The value of “%2$s” is too large, a maximum value of %1$d is allowed.',
+	'FIELD_INVALID_CHARS_INVALID'		=> 'The field “%s” has invalid characters.',
 	'FIELD_INVALID_CHARS_NUMBERS_ONLY'	=> 'The field “%s” has invalid characters, only numbers are allowed.',
 	'FIELD_INVALID_CHARS_ALPHA_ONLY'	=> 'The field “%s” has invalid characters, only alphanumeric characters are allowed.',
-	'FIELD_INVALID_CHARS_SPACERS_ONLY'	=> 'The field “%s” has invalid characters, only alphanumeric, space or -+_[] characters are allowed.',
+	'FIELD_INVALID_CHARS_ALPHA_SPACERS'	=> 'The field “%s” has invalid characters, only alphanumeric, space or -+_[] characters are allowed.',
+	'FIELD_INVALID_CHARS_ALPHA_UNDERSCORE'	=> 'The field “%s” has invalid characters, only alphanumeric or _ characters are allowed.',
 	'FIELD_INVALID_DATE'				=> 'The field “%s” has an invalid date.',
 	'FIELD_INVALID_URL'					=> 'The field “%s” has an invalid url.',
 	'FIELD_INVALID_VALUE'				=> 'The field “%s” has an invalid value.',
@@ -474,7 +476,11 @@ $lang = array_merge($lang, array(
 	'TIMEZONE'					=> 'Timezone',
 	'TIMEZONE_DATE_SUGGESTION'	=> 'Suggestion: %s',
 	'TIMEZONE_INVALID'			=> 'The timezone you selected is invalid.',
-	'TO'						=> 'To',
+	'TO'						=> 'Recipient',
+	'TO_MASS'					=> 'Recipients',
+	'TO_ADD'					=> 'Add recipient',
+	'TO_ADD_MASS'				=> 'Add recipients',
+	'TO_ADD_GROUPS'				=> 'Add groups',
 	'TOO_MANY_RECIPIENTS'		=> 'You tried to send a private message to too many recipients.',
 	'TOO_MANY_REGISTERS'		=> 'You have exceeded the maximum number of registration attempts for this session. Please try again later.',