Merge branch '20.0' of [email protected]:Dolibarr/dolibarr.git into 21.0

Author: eldy

htdocs/core/tpl/massactions_pre.tpl.php

@@ -325,7 +325,7 @@
 	// Make substitution in email content
 	$substitutionarray = getCommonSubstitutionArray($langs, 0, null, $object);
 
-	$substitutionarray['__EMAIL__'] = $sendto;
+	$substitutionarray['__EMAIL__'] = empty($sendto) ? '__EMAIL__' : $sendto;
 	$substitutionarray['__CHECK_READ__'] = '<img src="'.DOL_MAIN_URL_ROOT.'/public/emailing/mailing-read.php?tag=undefined&securitykey='.dol_hash(getDolGlobalString('MAILING_EMAIL_UNSUBSCRIBE_KEY')."-undefined", 'md5').'" width="1" height="1" style="width:1px;height:1px" border="0"/>';
 	$substitutionarray['__ONLINE_PAYMENT_URL__'] = 'UrlToPayOnlineIfApplicable';
 	$substitutionarray['__ONLINE_PAYMENT_TEXT_AND_URL__'] = 'TextAndUrlToPayOnlineIfApplicable';