Fix so rcube_text2html class does not depend on rcmail_string_replacer

program/lib/Roundcube/rcube_text2html.php

@@ -57,6 +57,8 @@ class rcube_text2html
         'end'    => '</div>',
         // enables links replacement
         'links'  => true,
+        // string replacer class
+        'replacer' => 'rcube_string_replacer',
     );
 
 
@@ -141,7 +143,7 @@ class rcube_text2html
     {
         // make links and email-addresses clickable
         $attribs  = array('link_attribs' => array('rel' => 'noreferrer', 'target' => '_blank'));
-        $replacer = new rcmail_string_replacer($attribs);
+        $replacer = new $this->config['replacer']($attribs);
 
         if ($this->config['flowed']) {
             $flowed_char = 0x01;

program/steps/mail/func.inc

@@ -920,7 +920,7 @@ function rcmail_print_body($part, $p = array())
  */
 function rcmail_plain_body($body, $flowed = false)
 {
-    $options   = array('flowed' => $flowed, 'wrap' => !$flowed);
+    $options   = array('flowed' => $flowed, 'wrap' => !$flowed, 'replacer' => 'rcmail_string_replacer');
     $text2html = new rcube_text2html($body, false, $options);
     $body      = $text2html->get_html();