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diff --git a/inc/smarty/plugins/shared.escape_special_chars.php b/inc/smarty/plugins/shared.escape_special_chars.php
new file mode 100644
index 0000000..25b74de
--- /dev/null
+++ b/inc/smarty/plugins/shared.escape_special_chars.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ * Smarty shared plugin
+ * @package Smarty
+ * @subpackage plugins
+ */
+
+
+/**
+ * escape_special_chars common function
+ *
+ * Function: smarty_function_escape_special_chars<br>
+ * Purpose:  used by other smarty functions to escape
+ *           special chars except for already escaped ones
+ * @param string
+ * @return string
+ */
+function smarty_function_escape_special_chars($string)
+{
+	if(!is_array($string))	{
+		$string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
+		$string = htmlspecialchars($string);
+		$string = str_replace(array('%%%SMARTY_START%%%','%%%SMARTY_END%%%'), array('&',';'), $string);
+	}
+	return $string;
+}
+
+/* vim: set expandtab: */
+
+?>