diff --git a/ChangeLog b/ChangeLog
index 68cbd8313af..61e335890ef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -77,6 +77,9 @@ For developers:
 - Log files contains more information (PHP_SELD added and OS user used for 
   log of command lines scripts) 
 - Can protect a module to not being enabled if javascript disabled.
+- If module numberwords is installed, code can use langs->getLabelFromNumber 
+  to get value of an amount in text.
+- A module can add subsitution keys in makesubsitutions() functions.
 
 
 ***** Changelog for 2.6 compared to 2.5 *****
diff --git a/htdocs/lib/functions.lib.php b/htdocs/lib/functions.lib.php
index 73b91665c2b..246ecad5a09 100644
--- a/htdocs/lib/functions.lib.php
+++ b/htdocs/lib/functions.lib.php
@@ -2763,13 +2763,34 @@ function dol_textishtml($msg,$option=0)
 }
 
 /**
- *    \brief      Effectue les substitutions des mots cles par les donnees en fonction du tableau
- *    \param      chaine      			Chaine dans laquelle faire les substitutions
- *    \param      substitutionarray		Tableau cle substitution => valeur a mettre
- *    \return     string      			Chaine avec les substitutions effectuees
+ *    	\brief      Add substitution required by external modules then make substitutions in array substitutionarray
+ *    	\param      chaine      			Source string in which we must do substitution
+ *    	\param      substitutionarray		Array substitution old value => new value value
+ * 		\param		outputlangs				If we want to add more substitution, we provide a language
+ * 		\param		object					If we want to add more substitution, we provide a source object
+ *    	\return     string      			Output string after subsitutions
  */
-function make_substitutions($chaine,$substitutionarray)
+function make_substitutions($chaine,$substitutionarray,$outputlangs='',$object='')
 {
+	global $conf,$user;
+
+	// Check if there is external substitution to do asked by plugins
+	// We look files into the includes/modules/substitutions directory
+	// By default, there is no such external plugins.
+	foreach ($conf->file->dol_document_root as $dirroot)
+	{
+		$dir=$dirroot."/includes/modules/substitutions";
+		$fonc='numberwords';	// For the moment only one file scan
+		if (file_exists($dir.'/functions_'.$fonc.'.lib.php'))
+		{
+			dol_syslog("Library functions_".$fonc.".lib.php found into ".$dir);
+			require_once($dir."/functions_".$fonc.".lib.php");
+			numberwords_completesubstitutionarray($substitutionarray,$outputlangs,$object);
+			break;
+		}
+	}
+
+	// Make substitition
 	foreach ($substitutionarray as $key => $value)
 	{
 		$chaine=ereg_replace("$key","$value",$chaine);	// We must keep the " to work when value is 123.5 for example
diff --git a/htdocs/lib/pdf.lib.php b/htdocs/lib/pdf.lib.php
index ac323ffe1da..1e877a75336 100644
--- a/htdocs/lib/pdf.lib.php
+++ b/htdocs/lib/pdf.lib.php
@@ -116,7 +116,7 @@ function pdf_bank(&$pdf,$outputlangs,$curx,$cury,$account)
  */
 function pdf_pagefoot(&$pdf,$outputlangs,$paramfreetext,$fromcompany,$marge_basse,$marge_gauche,$page_hauteur,$object)
 {
-	global $conf;
+	global $conf,$user;
 
 	$outputlangs->load("dict");
 	$ligne='';
@@ -132,7 +132,8 @@ function pdf_pagefoot(&$pdf,$outputlangs,$paramfreetext,$fromcompany,$marge_bass
 			'__TOTAL_HT__' => $object->total_ht,
 			'__TOTAL_VAT__' => $object->total_vat
 		);
-		$newfreetext=make_substitutions($conf->global->$paramfreetext,$substitutionarray);
+
+		$newfreetext=make_substitutions($conf->global->$paramfreetext,$substitutionarray,$outputlangs,$object);
 		$ligne.=$outputlangs->convToOutputCharset($newfreetext);
 	}
 
diff --git a/htdocs/master.inc.php b/htdocs/master.inc.php
index 57af97dbe44..feb2d1b6cb3 100644
--- a/htdocs/master.inc.php
+++ b/htdocs/master.inc.php
@@ -157,7 +157,7 @@ $conf->file->dol_document_root=array(DOL_DOCUMENT_ROOT);
 if (! empty($dolibarr_main_document_root_alt))
 {
 	// dolibarr_main_document_root_alt contains several directories
-	$values=split(';',$dolibarr_main_document_root_alt);
+	$values=split('[;,]',$dolibarr_main_document_root_alt);
 	foreach($values as $value)
 	{
 		$conf->file->dol_document_root[]=$value;
diff --git a/htdocs/translate.class.php b/htdocs/translate.class.php
index 94dfd00a7d4..f244d0432b7 100644
--- a/htdocs/translate.class.php
+++ b/htdocs/translate.class.php
@@ -574,18 +574,32 @@ class Translate {
 	 *      \return     string		Label translated in UTF8 (but without entities)
 	 * 								10 if setDefaultLang was en_US => ten
 	 * 								123 if setDefaultLang was fr_FR => cent vingt trois
+	 * 		\remarks	This function need module "numberwords" to be installed. If not it will return
+	 * 					same number (this module is not provided by default as it use non GPL source code).
 	 */
 	function getLabelFromNumber($number,$isamount=0)
 	{
+		global $conf;
+
 		$outlang=$this->defaultlang;	// Output language we want
 		$outlangarray=split('_',$outlang,2);
 		// If lang is xx_XX, then we use xx
 		if (strtolower($outlangarray[0]) == strtolower($outlangarray[1])) $outlang=$outlangarray[0];
 
-		// TODO
+		$newnumber=$number;
+		foreach ($conf->file->dol_document_root as $dirroot)
+		{
+			$dir=$dirroot."/includes/modules/substitutions";
+			$fonc='numberwords';
+			if (file_exists($dir.'/functions_'.$fonc.'.lib.php'))
+			{
+				include_once($dir.'/functions_'.$fonc.'.lib.php');
+				$newnumber=numberwords_getLabelFromNumber($this,$number,$isamount);
+				break;
+			}
+		}
 
-
-		return $number;
+		return $newnumber;
 	}