From 10ec313034386edf12940a00b0e26b8754647568 Mon Sep 17 00:00:00 2001
From: ssodk <59736655+ssodk@users.noreply.github.com>
Date: Mon, 13 Jan 2020 11:14:19 +0100
Subject: [PATCH] Update func.inc

Remove duplicates in print-view when the recipient list is expanded
---
 program/steps/mail/func.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index ed75b2d8a..81df46f18 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1280,6 +1280,7 @@ function rcmail_address_string($input, $max=null, $linked=false, $addicon=null,
     $j   = 0;
     $out = '';
     $allvalues  = array();
+    $shown_addresses = array();
     $show_email = $RCMAIL->config->get('message_show_email');
 
     if ($addicon && !isset($_SESSION['writeable_abook'])) {
@@ -1363,6 +1364,7 @@ function rcmail_address_string($input, $max=null, $linked=false, $addicon=null,
 
         if (!$moreadrs) {
             $out .= ($out ? ', ' : '') . $address;
+            $shown_addresses[] = $address;
         }
 
         if ($max && $j == $max && $c > $j) {
@@ -1385,7 +1387,7 @@ function rcmail_address_string($input, $max=null, $linked=false, $addicon=null,
                     'class'   => 'morelink',
                     'onclick' => '$(this).hide().next().show()',
                 ), $label)
-                . html::span(array('style' => 'display:none'), join(', ', $allvalues));
+                . html::span(array('style' => 'display:none'), join(', ', array_diff($allvalues, $shown_addresses)));
         }
         else {
             $out .= ' ' . html::a(array(