diff --git a/htdocs/core/modules/cheque/doc/pdf_blochet.class.php b/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
index f2ef19ca19a..111c0a324ca 100644
--- a/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
+++ b/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
@@ -386,7 +386,7 @@ class BordereauChequeBlochet extends ModeleChequeReceipts
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	void
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
diff --git a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
index 1c1fa12c665..64d289f1982 100644
--- a/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_einstein.modules.php
@@ -658,7 +658,7 @@ class pdf_einstein extends ModelePDFCommandes
 	 *	@param	Translate	$outputlangs	Object langs for output
 	 *	@return int							<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	}
@@ -674,7 +674,7 @@ class pdf_einstein extends ModelePDFCommandes
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
@@ -862,7 +862,7 @@ class pdf_einstein extends ModelePDFCommandes
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 	    global $conf,$mysoc;
@@ -1125,7 +1125,7 @@ class pdf_einstein extends ModelePDFCommandes
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
diff --git a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
index 51e36b53476..012f3e9e998 100644
--- a/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
+++ b/htdocs/core/modules/commande/doc/pdf_eratosthene.modules.php
@@ -855,7 +855,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 	 *	@param	Translate	$outputlangs	Object langs for output
 	 *	@return int							<0 if KO, >0 if OK
 	 */
-	private function drawPaymentsTable(&$pdf, $object, $posy, $outputlangs)
+	protected function drawPaymentsTable(&$pdf, $object, $posy, $outputlangs)
 	{
 	}
 
@@ -868,7 +868,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function drawInfoTable(&$pdf, $object, $posy, $outputlangs)
+	protected function drawInfoTable(&$pdf, $object, $posy, $outputlangs)
 	{
 		global $conf;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
@@ -1054,7 +1054,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
 	    global $conf,$mysoc;
 
@@ -1313,7 +1313,7 @@ class pdf_eratosthene extends ModelePDFCommandes
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index 97fedf45808..fda022a48c6 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -519,7 +519,7 @@ class pdf_strato extends ModelePDFContract
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf;
 
@@ -566,7 +566,7 @@ class pdf_strato extends ModelePDFContract
      * @param   Translate   $outputlangs    Object language for output
      * @return void
      */
-    private function tabSignature(&$pdf, $tab_top, $tab_height, $outputlangs)
+	protected function tabSignature(&$pdf, $tab_top, $tab_height, $outputlangs)
     {
 		$pdf->SetDrawColor(128, 128, 128);
 		$posmiddle = $this->marge_gauche + round(($this->page_largeur - $this->marge_gauche - $this->marge_droite)/2);
@@ -594,7 +594,7 @@ class pdf_strato extends ModelePDFContract
      *  @param  Translate	$outputlangs	Object lang for output
      *  @return	void
      */
-    private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
     {
 		global $conf,$langs;
 
@@ -773,7 +773,7 @@ class pdf_strato extends ModelePDFContract
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	integer
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
index 87f04dca016..ebefeb9be92 100644
--- a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
@@ -659,7 +659,7 @@ class pdf_espadon extends ModelePdfExpedition
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
 		// phpcs:enable
 		global $conf,$mysoc;
@@ -761,7 +761,7 @@ class pdf_espadon extends ModelePdfExpedition
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf;
 
@@ -805,7 +805,7 @@ class pdf_espadon extends ModelePdfExpedition
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs,$mysoc;
 
@@ -1053,7 +1053,7 @@ class pdf_espadon extends ModelePdfExpedition
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
index 8696bc21a02..048016c3ac6 100644
--- a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
@@ -460,7 +460,7 @@ class pdf_merou extends ModelePdfExpedition
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $langs;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
@@ -498,7 +498,7 @@ class pdf_merou extends ModelePdfExpedition
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	void
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
 		$pdf->SetFont('', '', $default_font_size - 2);
@@ -527,7 +527,7 @@ class pdf_merou extends ModelePdfExpedition
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf, $langs,$hookmanager;
 
diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index 1b6ca3ceda9..3466ca0be3e 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -675,7 +675,7 @@ class pdf_rouget extends ModelePdfExpedition
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
 		// phpcs:enable
 		global $conf,$mysoc;
@@ -783,7 +783,7 @@ class pdf_rouget extends ModelePdfExpedition
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf;
 
@@ -868,7 +868,7 @@ class pdf_rouget extends ModelePdfExpedition
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs,$mysoc;
 
@@ -1116,7 +1116,7 @@ class pdf_rouget extends ModelePdfExpedition
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
index e0bba62df3b..dd363d0f4fb 100644
--- a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
@@ -550,7 +550,7 @@ class pdf_standard extends ModeleExpenseReport
 	 * @param	int			$hidedetails		Hide details (0=no, 1=yes, 2=just special lines)
 	 * @return  void
 	 */
-	private function printLine(&$pdf, $object, $linenumber, $curY, $default_font_size, $outputlangs, $hidedetails = 0)
+	protected function printLine(&$pdf, $object, $linenumber, $curY, $default_font_size, $outputlangs, $hidedetails = 0)
 	{
         global $conf;
         $pdf->SetFont('', '', $default_font_size - 1);
@@ -629,7 +629,7 @@ class pdf_standard extends ModeleExpenseReport
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		// global $conf, $langs, $hookmanager;
 		global $user, $langs, $conf, $mysoc, $db, $hookmanager;
@@ -861,7 +861,7 @@ class pdf_standard extends ModeleExpenseReport
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -971,7 +971,7 @@ class pdf_standard extends ModeleExpenseReport
 	 *  @param  Translate	$outputlangs    Object langs for output
 	 *  @return int             			<0 if KO, >0 if OK
 	 */
-	private function tablePayments(&$pdf, $object, $posy, $outputlangs)
+	protected function tablePayments(&$pdf, $object, $posy, $outputlangs)
 	{
 		global $conf;
 
@@ -1084,7 +1084,7 @@ class pdf_standard extends ModeleExpenseReport
 	 *  @param  int			$hidefreetext		1=Hide free text
 	 *  @return int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails = $conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index de1ebc00a8b..74152b7706e 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -773,7 +773,7 @@ class pdf_crabe extends ModelePDFFactures
      *  @param  int			$heightforfooter height for footer
      *  @return int             			<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs, $heightforfooter = 0)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs, $heightforfooter = 0)
 	{
         // phpcs:enable
 		global $conf;
@@ -922,7 +922,7 @@ class pdf_crabe extends ModelePDFFactures
 	 * @param int 			$tab3_height		height
 	 * @return void
 	 */
-	private function _tableau_versements_header($pdf, $object, $outputlangs, $default_font_size, $tab3_posx, $tab3_top, $tab3_width, $tab3_height)
+	protected function _tableau_versements_header($pdf, $object, $outputlangs, $default_font_size, $tab3_posx, $tab3_top, $tab3_width, $tab3_height)
 	{
 	    // phpcs:enable
 	    $title=$outputlangs->transnoentities("PaymentsAlreadyDone");
@@ -957,7 +957,7 @@ class pdf_crabe extends ModelePDFFactures
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
@@ -1117,7 +1117,7 @@ class pdf_crabe extends ModelePDFFactures
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -1418,7 +1418,7 @@ class pdf_crabe extends ModelePDFFactures
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1535,7 +1535,7 @@ class pdf_crabe extends ModelePDFFactures
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf, $langs;
 
@@ -1810,7 +1810,7 @@ class pdf_crabe extends ModelePDFFactures
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index 9c7c7797841..b7ea86d305e 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -449,7 +449,7 @@ class pdf_sponge extends ModelePDFFactures
 	                complete_substitutions_array($substitutionarray, $outputlangs, $object);
 	                $notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 	                $notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-	                
+
 	                $pdf->startTransaction();
 
 	                $pdf->SetFont('', '', $default_font_size - 1);
@@ -1043,7 +1043,7 @@ class pdf_sponge extends ModelePDFFactures
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function drawInfoTable(&$pdf, $object, $posy, $outputlangs)
+	protected function drawInfoTable(&$pdf, $object, $posy, $outputlangs)
 	{
 		global $conf;
 
@@ -1201,7 +1201,7 @@ class pdf_sponge extends ModelePDFFactures
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
 		global $conf,$mysoc;
 
@@ -1522,7 +1522,7 @@ class pdf_sponge extends ModelePDFFactures
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1570,7 +1570,7 @@ class pdf_sponge extends ModelePDFFactures
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf, $langs;
 
@@ -1843,7 +1843,7 @@ class pdf_sponge extends ModelePDFFactures
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index 41edc6c0a1d..8b6e7dd0d29 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -274,7 +274,7 @@ class pdf_soleil extends ModelePDFFicheinter
 					complete_substitutions_array($substitutionarray, $outputlangs, $object);
 					$notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 					$notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-					
+
 					$tab_top = 88;
 
 					$pdf->SetFont('', '', $default_font_size - 1);
@@ -495,7 +495,7 @@ class pdf_soleil extends ModelePDFFicheinter
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf;
 
@@ -555,7 +555,7 @@ class pdf_soleil extends ModelePDFFicheinter
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
@@ -731,7 +731,7 @@ class pdf_soleil extends ModelePDFFicheinter
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	integer
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php b/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
index a2124b801a6..35c87e75c55 100644
--- a/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
+++ b/htdocs/core/modules/livraison/doc/pdf_typhon.modules.php
@@ -647,7 +647,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -678,7 +678,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf,$mysoc;
 
@@ -740,7 +740,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs,$hookmanager;
 
@@ -918,7 +918,7 @@ class pdf_typhon extends ModelePDFDeliveryOrder
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	int								Return height of bottom margin including footer text
 	 */
-    private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
     {
         global $conf;
         $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/modResource.class.php b/htdocs/core/modules/modResource.class.php
index cceacf3263c..44d97d2891d 100644
--- a/htdocs/core/modules/modResource.class.php
+++ b/htdocs/core/modules/modResource.class.php
@@ -313,7 +313,7 @@ class modResource extends DolibarrModules
 	 *
 	 * 	@return		int		<=0 if KO, >0 if OK
 	 */
-	private function loadTables()
+	protected function loadTables()
 	{
 		return $this->_load_tables('/resource/sql/');
 	}
diff --git a/htdocs/core/modules/product/doc/pdf_standard.modules.php b/htdocs/core/modules/product/doc/pdf_standard.modules.php
index 04d566248b9..b5e7e05bb24 100644
--- a/htdocs/core/modules/product/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/product/doc/pdf_standard.modules.php
@@ -601,7 +601,7 @@ class pdf_standard extends ModelePDFProduct
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 	    global $conf;
 
@@ -704,7 +704,7 @@ class pdf_standard extends ModelePDFProduct
 	 *  @param	string		$titlekey		Translation key to show as title of document
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
 	{
 	    global $conf,$langs,$hookmanager;
 
@@ -853,7 +853,7 @@ class pdf_standard extends ModelePDFProduct
      *  @param	int			$hidefreetext		1=Hide free text
      *  @return	int								Return height of bottom margin including footer text
      */
-    private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
     {
         global $conf;
         $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/project/doc/pdf_baleine.modules.php b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
index c7005206fcc..a24ef28fdec 100644
--- a/htdocs/core/modules/project/doc/pdf_baleine.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
@@ -287,7 +287,7 @@ class pdf_baleine extends ModelePDFProjects
 					complete_substitutions_array($substitutionarray, $outputlangs, $object);
 					$notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 					$notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-					
+
 					$tab_top -= 2;
 
 					$pdf->SetFont('', '', $default_font_size - 1);
@@ -535,7 +535,7 @@ class pdf_baleine extends ModelePDFProjects
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf,$mysoc;
 
@@ -582,7 +582,7 @@ class pdf_baleine extends ModelePDFProjects
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs,$conf,$mysoc;
 
@@ -675,7 +675,7 @@ class pdf_baleine extends ModelePDFProjects
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	integer
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/project/doc/pdf_beluga.modules.php b/htdocs/core/modules/project/doc/pdf_beluga.modules.php
index 8b6cd68f343..81f7c70f460 100644
--- a/htdocs/core/modules/project/doc/pdf_beluga.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_beluga.modules.php
@@ -708,7 +708,7 @@ class pdf_beluga extends ModelePDFProjects
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf,$mysoc;
 
@@ -755,7 +755,7 @@ class pdf_beluga extends ModelePDFProjects
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs,$conf,$mysoc;
 
@@ -824,7 +824,7 @@ class pdf_beluga extends ModelePDFProjects
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	integer
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/project/doc/pdf_timespent.modules.php b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
index 2c69fbd6bab..db0eed6f296 100644
--- a/htdocs/core/modules/project/doc/pdf_timespent.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
@@ -218,7 +218,7 @@ class pdf_timespent extends ModelePDFProjects
 					complete_substitutions_array($substitutionarray, $outputlangs, $object);
 					$notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 					$notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-					
+
 					$tab_top -= 2;
 
 					$pdf->SetFont('', '', $default_font_size - 1);
@@ -466,7 +466,7 @@ class pdf_timespent extends ModelePDFProjects
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf,$mysoc;
 
@@ -513,7 +513,7 @@ class pdf_timespent extends ModelePDFProjects
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs,$conf,$mysoc;
 
@@ -606,7 +606,7 @@ class pdf_timespent extends ModelePDFProjects
      *  @param  int         $hidefreetext       1=Hide free text
      *  @return integer
      */
-    private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
     {
         global $conf;
         $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index 54fe56421ea..1e0b10522c3 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -843,7 +843,7 @@ class pdf_azur extends ModelePDFPropales
      *  @param  Translate	$outputlangs    Object langs for output
      *  @return int             			<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	}
@@ -859,7 +859,7 @@ class pdf_azur extends ModelePDFPropales
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
@@ -1041,7 +1041,7 @@ class pdf_azur extends ModelePDFPropales
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -1319,7 +1319,7 @@ class pdf_azur extends ModelePDFPropales
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1431,7 +1431,7 @@ class pdf_azur extends ModelePDFPropales
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs;
 
@@ -1654,7 +1654,7 @@ class pdf_azur extends ModelePDFPropales
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
@@ -1671,7 +1671,7 @@ class pdf_azur extends ModelePDFPropales
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _signature_area(&$pdf, $object, $posy, $outputlangs)
+	protected function _signature_area(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
diff --git a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
index 14a2456157a..0071a2fdc1b 100644
--- a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
@@ -957,7 +957,7 @@ class pdf_cyan extends ModelePDFPropales
      *  @param  Translate	$outputlangs    Object langs for output
      *  @return int             			<0 if KO, >0 if OK
 	 */
-	private function drawPaymentsTable(&$pdf, $object, $posy, $outputlangs)
+	protected function drawPaymentsTable(&$pdf, $object, $posy, $outputlangs)
 	{
 	}
 
@@ -1150,7 +1150,7 @@ class pdf_cyan extends ModelePDFPropales
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function drawTotalTable(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
 		global $conf,$mysoc;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
@@ -1427,7 +1427,7 @@ class pdf_cyan extends ModelePDFPropales
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1475,7 +1475,7 @@ class pdf_cyan extends ModelePDFPropales
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs;
 
@@ -1700,7 +1700,7 @@ class pdf_cyan extends ModelePDFPropales
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
@@ -1716,7 +1716,7 @@ class pdf_cyan extends ModelePDFPropales
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function drawSignatureArea(&$pdf, $object, $posy, $outputlangs)
+	protected function drawSignatureArea(&$pdf, $object, $posy, $outputlangs)
 	{
 		global $conf;
 		$default_font_size = pdf_getPDFFontSize($outputlangs);
diff --git a/htdocs/core/modules/reception/doc/pdf_squille.modules.php b/htdocs/core/modules/reception/doc/pdf_squille.modules.php
index dec1f35e7b0..f4a0053d9f0 100644
--- a/htdocs/core/modules/reception/doc/pdf_squille.modules.php
+++ b/htdocs/core/modules/reception/doc/pdf_squille.modules.php
@@ -604,7 +604,7 @@ class pdf_squille extends ModelePdfReception
 	 *  @param	int			$totalOrdered	Total ordered
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs, $totalOrdered)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs, $totalOrdered)
 	{
 		// phpcs:enable
 		global $conf,$mysoc;
@@ -707,7 +707,7 @@ class pdf_squille extends ModelePdfReception
 	 *   @param		int			$hidebottom		Hide bottom bar of array
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0)
 	{
 		global $conf;
 
@@ -786,7 +786,7 @@ class pdf_squille extends ModelePdfReception
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf,$langs,$mysoc;
 
@@ -1037,7 +1037,7 @@ class pdf_squille extends ModelePdfReception
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index e1181aa6fe2..3a9eb914c4b 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -550,7 +550,7 @@ class pdf_standard extends ModelePDFStock
 					complete_substitutions_array($substitutionarray, $outputlangs, $object);
 					$notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 					$notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-					
+
 					$tab_top = 88;
 
 					$pdf->SetFont('', '', $default_font_size - 1);
@@ -767,7 +767,7 @@ class pdf_standard extends ModelePDFStock
 	 *   @param     string		$currency		Currency code
 	 *   @return    void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 	    global $conf;
 
@@ -870,7 +870,7 @@ class pdf_standard extends ModelePDFStock
 	 *  @param	string		$titlekey		Translation key to show as title of document
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
 	{
 	    global $conf,$langs,$db,$hookmanager;
 
@@ -1098,7 +1098,7 @@ class pdf_standard extends ModelePDFStock
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 	    global $conf;
 	    $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php b/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
index 2a1819a3aa0..31b5964afad 100644
--- a/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_stdmovement.modules.php
@@ -724,7 +724,7 @@ class pdf_stdmovement extends ModelePDFMovement
 					complete_substitutions_array($substitutionarray, $outputlangs, $object);
 					$notetoshow = make_substitutions($notetoshow, $substitutionarray, $outputlangs);
 					$notetoshow = convertBackOfficeMediasLinksToPublicLinks($notetoshow);
-					
+
 					$tab_top = 88;
 
 					$pdf->SetFont('', '', $default_font_size - 1);
@@ -823,7 +823,7 @@ class pdf_stdmovement extends ModelePDFMovement
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 	    global $conf;
 
@@ -949,7 +949,7 @@ class pdf_stdmovement extends ModelePDFMovement
 	 *  @param	string		$titlekey		Translation key to show as title of document
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs, $titlekey = "")
 	{
 	    global $conf,$langs,$db,$hookmanager;
 
@@ -1177,7 +1177,7 @@ class pdf_stdmovement extends ModelePDFMovement
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 	    global $conf;
 	    $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
index 5c0904baba8..d9d84a686bf 100644
--- a/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
+++ b/htdocs/core/modules/supplier_invoice/pdf/pdf_canelle.modules.php
@@ -616,7 +616,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-    private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -827,7 +827,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -930,7 +930,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	 *  @param  Translate           $outputlangs    Object langs for output
 	 *  @return int                                 <0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
@@ -1022,7 +1022,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	 *  @param  Translate           $outputlangs    Object lang for output
 	 *  @return void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs, $conf, $mysoc;
 
@@ -1235,7 +1235,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
      *  @param  int                 $hidefreetext       1=Hide free text
      *  @return int                                     Return height of bottom margin including footer text
      */
-    private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+    protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
     {
         global $conf;
         $showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/supplier_order/pdf/pdf_cornas.modules.php b/htdocs/core/modules/supplier_order/pdf/pdf_cornas.modules.php
index 612595b8c44..8aa5a4fc619 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_cornas.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_cornas.modules.php
@@ -811,7 +811,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *	@param	Translate	$outputlangs	Object langs for output
 	 *	@return int							<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	}
@@ -827,7 +827,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	integer
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	    global $conf;
@@ -893,7 +893,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -1110,7 +1110,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1176,7 +1176,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs,$conf,$mysoc;
 
@@ -1421,7 +1421,7 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
index 0c9e8e0967a..8c228d0ccaf 100644
--- a/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
+++ b/htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
@@ -713,7 +713,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *	@param	Translate	$outputlangs	Object langs for output
 	 *	@return int							<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	}
@@ -729,7 +729,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	integer
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	    global $conf;
@@ -795,7 +795,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -1012,7 +1012,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1113,7 +1113,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs, $conf, $mysoc;
 
@@ -1357,7 +1357,7 @@ class pdf_muscadet extends ModelePDFSuppliersOrders
 	 *  @param	int			$hidefreetext		1=Hide free text
 	 *  @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
index 79ad993ef81..7bee236b8b7 100644
--- a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
@@ -527,7 +527,7 @@ class pdf_standard extends ModelePDFSuppliersPayments
 	 *	@param	Translate		$outputlangs	Objet langs
 	 *	@return int								Position pour suite
 	 */
-	private function _tableau_cheque(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_cheque(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -590,7 +590,7 @@ class pdf_standard extends ModelePDFSuppliersPayments
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf,$mysoc;
 
@@ -631,7 +631,7 @@ class pdf_standard extends ModelePDFSuppliersPayments
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $langs, $conf, $mysoc;
 
@@ -810,7 +810,7 @@ class pdf_standard extends ModelePDFSuppliersPayments
 	 *      @param	int			$hidefreetext		1=Hide free text
 	 *      @return	int								Return height of bottom margin including footer text
 	 */
-	private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
diff --git a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
index d8d489c1bbf..4871e44713b 100644
--- a/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/pdf_aurore.modules.php
@@ -710,7 +710,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
      *  @param  Translate	$outputlangs    Object langs for output
      *  @return int             			<0 if KO, >0 if OK
 	 */
-	private function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_versements(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 	}
@@ -726,7 +726,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 	 *   @param		Translate	$outputlangs	Langs object
 	 *   @return	void
 	 */
-	private function _tableau_info(&$pdf, $object, $posy, $outputlangs)
+	protected function _tableau_info(&$pdf, $object, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf;
@@ -895,7 +895,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 	 *	@param	Translate	$outputlangs	Objet langs
 	 *	@return int							Position pour suite
 	 */
-	private function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
+	protected function _tableau_tot(&$pdf, $object, $deja_regle, $posy, $outputlangs)
 	{
         // phpcs:enable
 		global $conf,$mysoc;
@@ -1170,7 +1170,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 	 *   @param		string		$currency		Currency code
 	 *   @return	void
 	 */
-	private function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
+	protected function _tableau(&$pdf, $tab_top, $tab_height, $nexY, $outputlangs, $hidetop = 0, $hidebottom = 0, $currency = '')
 	{
 		global $conf;
 
@@ -1271,7 +1271,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
 	 *  @param  Translate	$outputlangs	Object lang for output
 	 *  @return	void
 	 */
-	private function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
+	protected function _pagehead(&$pdf, $object, $showaddress, $outputlangs)
 	{
 		global $conf, $langs;
 
@@ -1488,7 +1488,7 @@ class pdf_aurore extends ModelePDFSupplierProposal
      *  @param  int			$hidefreetext		1=Hide free text
      *  @return int								Return height of bottom margin including footer text
      */
-    private function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
+    protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
 		global $conf;
 		$showdetails=$conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;