Merge branch '20.0' of git@github.com:Dolibarr/dolibarr.git into 21.0

Author: eldy

htdocs/core/class/html.formsetup.class.php

@@ -706,10 +706,10 @@ public function loadValueFromConf()
 	{
 		global $conf;
 		if (isset($conf->global->{$this->confKey})) {
-			$this->fieldValue = getDolGlobalString($this->confKey);
+			$this->fieldValue = getDolGlobalString($this->confKey, null);
 			return true;
 		} else {
-			$this->fieldValue = '';
+			$this->fieldValue = null;
 			return false;
 		}
 	}

htdocs/core/modules/facture/doc/pdf_crabe.modules.php

@@ -1359,6 +1359,7 @@ protected function _tableau_info(&$pdf, $object, $posy, $outputlangs, $outputlan
 
 					$langs->loadLangs(array('payment', 'paybox', 'stripe'));
 					$servicename = $langs->transnoentities('Online');
+
 					$paiement_url = getOnlinePaymentUrl(0, 'invoice', $object->ref, 0, '', 0);
 					$linktopay = $langs->trans("ToOfferALinkForOnlinePayment", $servicename).' <a href="'.$paiement_url.'">'.$outputlangs->transnoentities("ClickHere").'</a>';