diff --git a/inc/display.php b/inc/display.php
index 2c7153bb..7ca4386c 100644
--- a/inc/display.php
+++ b/inc/display.php
@@ -232,23 +232,11 @@ function truncate($body, $url, $max_lines = false, $max_chars = false) {
 	return $body;
 }
 
-function bidi_cleanup($str){
-	# Removes all embedded RTL and LTR unicode formatting blocks in a string so that
-	# it can be used inside another without controlling its direction.
-	# More info: http://www.iamcal.com/understanding-bidirectional-text/
-	#
-	# LRE - U+202A - 0xE2 0x80 0xAA
-	# RLE - U+202B - 0xE2 0x80 0xAB
-	# LRO - U+202D - 0xE2 0x80 0xAD
-	# RLO - U+202E - 0xE2 0x80 0xAE
-	#
-	# PDF - U+202C - 0xE2 0x80 0xAC
-	#
-	$explicits	= '\xE2\x80\xAA|\xE2\x80\xAB|\xE2\x80\xAD|\xE2\x80\xAE';
-	$pdf		= '\xE2\x80\xAC';
+function bidi_cleanup($str) {
+	// Removes all embedded RTL and LTR unicode formatting blocks in a string so that
+	// it can be used inside another without controlling its direction.
 
-	$str = preg_replace("!(?<explicits>$explicits)|(?<pdf>$pdf)!", '', $str);
-	return $str;
+	return "<bdi>$str</bdi>";
 }
 
 function secure_link_confirm($text, $title, $confirm_message, $href) {
diff --git a/install.php b/install.php
index 1914434d..47c277ff 100644
--- a/install.php
+++ b/install.php
@@ -1,7 +1,7 @@
 <?php
 
 // Installation/upgrade file	
-define('VERSION', 'v0.9.6-dev-12 + <a href="https://int.vichan.net/devel/">vichan-devel-4.0.10</a>');
+define('VERSION', 'v0.9.6-dev-12 + <a href="https://int.vichan.net/devel/">vichan-devel-4.0.11-gold</a>');
 
 require 'inc/functions.php';
 
@@ -376,6 +376,7 @@ if (file_exists($config['has_installed'])) {
 					$board['uri'])) or error(db_error());
 			}
 		case 'v0.9.6-dev-12':
+		case 'v0.9.6-dev-12 + <a href="https://int.vichan.net/devel/">vichan-devel-4.0.10</a>':
 		case false:
 			// Update version number
 			file_write($config['has_installed'], VERSION);
@@ -548,7 +549,7 @@ if ($step == 0) {
 		array(
 			'category' => 'Misc',
 			'name' => 'Tinyboard installed using git',
-			'result' => is_dir('.git.'),
+			'result' => is_dir('.git'),
 			'required' => false,
 			'message' => 'Tinyboard is still beta software and it\'s not going to come out of beta any time soon. As there are often many months between releases yet changes and bug fixes are very frequent, it\'s recommended to use the git repository to maintain your Tinyboard installation. Using git makes upgrading much easier.'
 		)
diff --git a/templates/post_reply.html b/templates/post_reply.html
index bc3d36cd..28cbd7f8 100644
--- a/templates/post_reply.html
+++ b/templates/post_reply.html
@@ -71,7 +71,7 @@
 			{% if config.show_filename and post.filename %}
 				, 
 				{% if post.filename|length > config.max_filename_display %}
-					<span class="postfilename" title="{{ post.filename|e|bidi_cleanup }}">{{ post.filename|truncate(config.max_filename_display)|bidi_cleanup }}</span>
+					<span class="postfilename" title="{{ post.filename|e }}">{{ post.filename|truncate(config.max_filename_display)|bidi_cleanup }}</span>
 				{% else %}
 					<span class="postfilename">{{ post.filename|e|bidi_cleanup }}</span>
 				{% endif %}
diff --git a/templates/post_thread.html b/templates/post_thread.html
index ddbb0b2e..97fad11c 100644
--- a/templates/post_thread.html
+++ b/templates/post_thread.html
@@ -23,7 +23,7 @@
 		{% if config.show_filename and post.filename %}
 			, 
 			{% if post.filename|length > config.max_filename_display %}
-				<span class="postfilename" title="{{ post.filename|e|bidi_cleanup }}">{{ post.filename|truncate(config.max_filename_display)|bidi_cleanup }}</span>
+				<span class="postfilename" title="{{ post.filename|e }}">{{ post.filename|truncate(config.max_filename_display)|bidi_cleanup }}</span>
 			{% else %}
 				<span class="postfilename">{{ post.filename|e|bidi_cleanup }}</span>
 			{% endif %}