diff --git a/EMT.forpy.php b/EMT.forpy.php
index 317102f..55438fc 100644
--- a/EMT.forpy.php
+++ b/EMT.forpy.php
@@ -1,5 +1,5 @@
-<?php
-
+<?php
+
 
 
 class EMT_Lib
@@ -1362,7 +1362,7 @@ class EMT_Tret_Dash extends EMT_Tret
 	public $rules = array(
 		'mdash_symbol_to_html_mdash' => array(
 				'description'	=> 'Замена символа тире на html конструкцию',
-				'pattern' 		=> '/—/iu',
+				'pattern' 		=> '/—|--/iu',
 				'replacement' 	=> '&mdash;'
 			),
 		'mdash' => array(
@@ -3479,4 +3479,4 @@ public static function fast_apply($text, $options = null)
 }
 
 
-?>
\ No newline at end of file
+?>
diff --git a/EMT.php b/EMT.php
index 2a69495..dd398a1 100644
--- a/EMT.php
+++ b/EMT.php
@@ -1,11 +1,11 @@
-<?php
-
-/**
-* Evgeny Muravjev Typograph, http://mdash.ru
-* Version: 3.3 Gold Master
-* Release Date: May 4, 2014
-* Authors: Evgeny Muravjev & Alexander Drutsa  
-*/
+<?php
+
+/**
+* Evgeny Muravjev Typograph, http://mdash.ru
+* Version: 3.3 Gold Master
+* Release Date: May 4, 2014
+* Authors: Evgeny Muravjev & Alexander Drutsa  
+*/
 
 
 class EMT_Lib
@@ -1366,7 +1366,7 @@ class EMT_Tret_Dash extends EMT_Tret
 	public $rules = array(
 		'mdash_symbol_to_html_mdash' => array(
 				'description'	=> 'Замена символа тире на html конструкцию',
-				'pattern' 		=> '/—/iu',
+				'pattern' 		=> '/—|--/iu',
 				'replacement' 	=> '&mdash;'
 			),
 		'mdash' => array(
@@ -3310,4 +3310,4 @@ public static function fast_apply($text, $options = null)
 }
 
 
-?>
\ No newline at end of file
+?>
diff --git a/EMT.py b/EMT.py
index e71ddb2..a3b7141 100644
--- a/EMT.py
+++ b/EMT.py
@@ -1310,7 +1310,7 @@ def __init__(self):
         self.rules = {
             u"mdash_symbol_to_html_mdash": {
                 u"description": u"Замена символа тире на html конструкцию",
-                u"pattern": u"/—/iu",
+                u"pattern": u"/—|--/iu",
                 u"replacement": u"&mdash;"
             },
             u"mdash": {
diff --git a/src/EMT.Tret.Dash.php b/src/EMT.Tret.Dash.php
index c4a36d3..8f6beea 100644
--- a/src/EMT.Tret.Dash.php
+++ b/src/EMT.Tret.Dash.php
@@ -10,7 +10,7 @@ class EMT_Tret_Dash extends EMT_Tret
 	public $rules = array(
 		'mdash_symbol_to_html_mdash' => array(
 				'description'	=> 'Замена символа тире на html конструкцию',
-				'pattern' 		=> '/—/iu',
+				'pattern' 		=> '/—|--/iu',
 				'replacement' 	=> '&mdash;'
 			),
 		'mdash' => array(
@@ -72,4 +72,4 @@ class EMT_Tret_Dash extends EMT_Tret
 	
 }
 
-?>
\ No newline at end of file
+?>