diff --git a/phpBB/cron.php b/phpBB/cron.php
index 99a8b42955..ea4c4ddef2 100644
--- a/phpBB/cron.php
+++ b/phpBB/cron.php
@@ -30,7 +30,8 @@ header('Content-length: 43');
 
 echo base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');
 
-flush();
+// test without flush ;)
+// flush();
 
 /**
 * Run cron-like action
diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index a250aaed47..6d130fefc0 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -222,8 +222,10 @@ p a {
 		<li>[Fix] Display php information page with the correct direction (Bug #12557)</li>
 		<li>[Fix] Increased the number of style objects (styles, templates, themes and imagesets) possible from 127 to 65535 for MySQL (Bug #13179)</li>
 		<li>[Fix] Although theoretically impossible in our code, removed the chance of trying to open a file that does not exist (Bug #13327)</li>
-		<li>[Fix] Although theoretically impossible in our code, changed the handling of non-existent language files (Bug #13329, Bug #13331)</li>
+		<li>[Fix] Although theoretically impossible in our code, changed the handling of non-existent language files (Bug #13329, #13331)</li>
 		<li>[Fix] Removed extra ampersand from ACP link (Bug #13315)</li>
+		<li>[Fix] used cleaned up version of given field identification for pre-filling a new custom profile field (Bug #13319)</li>
+
 	</ul>
 
 	</div>
diff --git a/phpBB/includes/acp/acp_profile.php b/phpBB/includes/acp/acp_profile.php
index 1041acc962..f5ff319ece 100644
--- a/phpBB/includes/acp/acp_profile.php
+++ b/phpBB/includes/acp/acp_profile.php
@@ -349,12 +349,12 @@ class acp_profile
 					}
 
 					$field_row = array_merge($default_values[$field_type], array(
-						'field_ident'		=> request_var('field_ident', ''),
+						'field_ident'		=> utf8_clean_string(request_var('field_ident', '', true)),
 						'field_required'	=> 0,
 						'field_hide'		=> 0,
 						'field_no_view'		=> 0,
 						'field_show_on_reg'	=> 0,
-						'lang_name'			=> '',
+						'lang_name'			=> request_var('field_ident', '', true),
 						'lang_explain'		=> '',
 						'lang_default_value'=> '')
 					);
@@ -381,7 +381,7 @@ class acp_profile
 					$exclude[1][] = 'lang_options';
 				}
 
-				$cp->vars['field_ident']		= request_var('field_ident', $field_row['field_ident']);
+				$cp->vars['field_ident']		= ($action == 'create' && $step == 1) ? utf8_clean_string(request_var('field_ident', $field_row['field_ident'], true)) : request_var('field_ident', $field_row['field_ident']);
 				$cp->vars['lang_name']			= request_var('lang_name', $field_row['lang_name'], true);
 				$cp->vars['lang_explain']		= request_var('lang_explain', $field_row['lang_explain'], true);
 				$cp->vars['lang_default_value']	= request_var('lang_default_value', $field_row['lang_default_value'], true);
diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index 50e84fca84..4feb17cac5 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -368,40 +368,47 @@ function user_delete($mode, $user_id, $post_username = false)
 				$post_username = $user->lang['GUEST'];
 			}
 
-			$sql = 'UPDATE ' . FORUMS_TABLE . '
-				SET forum_last_poster_id = ' . ANONYMOUS . ", forum_last_poster_name = '" . $db->sql_escape($post_username) . "', forum_last_poster_colour = ''
-				WHERE forum_last_poster_id = $user_id";
-			$db->sql_query($sql);
-
-			$sql = 'UPDATE ' . POSTS_TABLE . '
-				SET poster_id = ' . ANONYMOUS . ", post_username = '" . $db->sql_escape($post_username) . "'
-				WHERE poster_id = $user_id";
-			$db->sql_query($sql);
-
-			$sql = 'UPDATE ' . POSTS_TABLE . '
-				SET post_edit_user = ' . ANONYMOUS . "
-				WHERE post_edit_user = $user_id";
-			$db->sql_query($sql);
-
-			$sql = 'UPDATE ' . TOPICS_TABLE . '
-				SET topic_poster = ' . ANONYMOUS . ", topic_first_poster_name = '" . $db->sql_escape($post_username) . "', topic_first_poster_colour = ''
-				WHERE topic_poster = $user_id";
-			$db->sql_query($sql);
-
-			$sql = 'UPDATE ' . TOPICS_TABLE . '
-				SET topic_last_poster_id = ' . ANONYMOUS . ", topic_last_poster_name = '" . $db->sql_escape($post_username) . "', topic_last_poster_colour = ''
-				WHERE topic_last_poster_id = $user_id";
-			$db->sql_query($sql);
-
-			// Since we change every post by this author, we need to count this amount towards the anonymous user
-
-			// Update the post count for the anonymous user
-			if ($user_row['user_posts'])
+			// If the user is inactive and newly registered we assume no posts from this user being there...
+			if ($user_row['user_type'] == USER_INACTIVE && $user_row['user_inactive_reason'] == INACTIVE_REGISTER && !$user_row['user_posts'])
 			{
-				$sql = 'UPDATE ' . USERS_TABLE . '
-					SET user_posts = user_posts + ' . $user_row['user_posts'] . '
-					WHERE user_id = ' . ANONYMOUS;
+			}
+			else
+			{
+				$sql = 'UPDATE ' . FORUMS_TABLE . '
+					SET forum_last_poster_id = ' . ANONYMOUS . ", forum_last_poster_name = '" . $db->sql_escape($post_username) . "', forum_last_poster_colour = ''
+					WHERE forum_last_poster_id = $user_id";
 				$db->sql_query($sql);
+
+				$sql = 'UPDATE ' . POSTS_TABLE . '
+					SET poster_id = ' . ANONYMOUS . ", post_username = '" . $db->sql_escape($post_username) . "'
+					WHERE poster_id = $user_id";
+				$db->sql_query($sql);
+
+				$sql = 'UPDATE ' . POSTS_TABLE . '
+					SET post_edit_user = ' . ANONYMOUS . "
+					WHERE post_edit_user = $user_id";
+				$db->sql_query($sql);
+
+				$sql = 'UPDATE ' . TOPICS_TABLE . '
+					SET topic_poster = ' . ANONYMOUS . ", topic_first_poster_name = '" . $db->sql_escape($post_username) . "', topic_first_poster_colour = ''
+					WHERE topic_poster = $user_id";
+				$db->sql_query($sql);
+
+				$sql = 'UPDATE ' . TOPICS_TABLE . '
+					SET topic_last_poster_id = ' . ANONYMOUS . ", topic_last_poster_name = '" . $db->sql_escape($post_username) . "', topic_last_poster_colour = ''
+					WHERE topic_last_poster_id = $user_id";
+				$db->sql_query($sql);
+
+				// Since we change every post by this author, we need to count this amount towards the anonymous user
+
+				// Update the post count for the anonymous user
+				if ($user_row['user_posts'])
+				{
+					$sql = 'UPDATE ' . USERS_TABLE . '
+						SET user_posts = user_posts + ' . $user_row['user_posts'] . '
+						WHERE user_id = ' . ANONYMOUS;
+					$db->sql_query($sql);
+				}
 			}
 		break;
 
diff --git a/phpBB/install/index.php b/phpBB/install/index.php
index e6eb9c2bbc..08e937f4cc 100755
--- a/phpBB/install/index.php
+++ b/phpBB/install/index.php
@@ -724,7 +724,7 @@ class module
 		{
 			$path = $phpbb_root_path . 'language/' . $file;
 
-			if (is_file($path) || is_link($path) || $file == '.' || $file == '..' || $file == 'CVS')
+			if ($file == '.' || $file == '..' || is_link($path) || is_file($path) || $file == 'CVS')
 			{
 				continue;
 			}