From 2106ec7043a636f2f706b44a0418e8d3c72c4c04 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Sun, 14 Sep 2008 09:03:07 +0000
Subject: [PATCH] - don't show 'To' header if contains only
 /^undisclosed-recipients[:;]*$/

---
 program/steps/mail/func.inc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 6d23b6f8e..9f59931ea 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -778,6 +778,8 @@ function rcmail_message_headers($attrib, $headers=NULL)
       else
         continue;
       }
+    else if ($hkey == 'to' && preg_match('/^undisclosed-recipients[:;]*$/', $headers['to']))
+      continue;
     else if (in_array($hkey, array('from', 'to', 'cc', 'bcc')))
       $header_value = Q(rcmail_address_string($headers[$hkey], null, true, $attrib['addicon']), 'show');
     else