diff --git a/htdocs/core/lib/files.lib.php b/htdocs/core/lib/files.lib.php
index 29706e15341..5d3c209bdc7 100644
--- a/htdocs/core/lib/files.lib.php
+++ b/htdocs/core/lib/files.lib.php
@@ -323,6 +323,7 @@ function dol_dir_is_emtpy($folder)
  *
  * 	@param	string	$file		Filename
  * 	@return int					<0 if KO, Number of lines in files if OK
+ *  @see dol_nboflines
  */
 function dol_count_nb_of_line($file)
 {
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index a12e4c18ba4..a099b33eee7 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4488,22 +4488,57 @@ function dol_string_nohtmltag($StringHtml,$removelinefeed=1,$pagecodeto='UTF-8')
  * Return first line of text. Cut will depends if content is HTML or not.
  *
  * @param 	string	$text		Input text
+ * @param	int		$nboflines  Nb of lines to get (default is 1 = first line only)
  * @return	string				Output text
  * @see dol_nboflines_bis, dol_string_nohtmltag, dol_escape_htmltag
  */
-function dolGetFirstLineOfText($text)
+function dolGetFirstLineOfText($text, $nboflines=1)
 {
-	if (dol_textishtml($text))
+	if ($nboflines == 1)
 	{
-		$firstline=preg_replace('/<br[^>]*>.*$/s','',$text);		// The s pattern modifier means the . can match newline characters
-		$firstline=preg_replace('/<div[^>]*>.*$/s','',$firstline);	// The s pattern modifier means the . can match newline characters
+		if (dol_textishtml($text))
+		{
+			$firstline=preg_replace('/<br[^>]*>.*$/s','',$text);		// The s pattern modifier means the . can match newline characters
+			$firstline=preg_replace('/<div[^>]*>.*$/s','',$firstline);	// The s pattern modifier means the . can match newline characters
 
+		}
+		else
+		{
+	    	$firstline=preg_replace('/[\n\r].*/','',$text);
+		}
+    	return $firstline.((strlen($firstline) != strlen($text))?'...':'');
 	}
 	else
 	{
-    	$firstline=preg_replace('/[\n\r].*/','',$text);
+		$ishtml=0;
+		if (dol_textishtml($text))
+		{
+			$text=preg_replace('/\n/','',$text);
+			$ishtml=1;
+			$repTable = array("\t" => " ", "\n" => " ", "\r" => " ", "\0" => " ", "\x0B" => " ");
+		}
+		else
+		{
+			$repTable = array("\t" => " ", "\n" => "<br>", "\r" => " ", "\0" => " ", "\x0B" => " ");
+		}
+
+		$text = strtr($text, $repTable);
+		if ($charset == 'UTF-8') { $pattern = '/(<br[^>]*>)/Uu'; }	// /U is to have UNGREEDY regex to limit to one html tag. /u is for UTF8 support
+		else $pattern = '/(<br[^>]*>)/U';							// /U is to have UNGREEDY regex to limit to one html tag.
+		$a = preg_split($pattern, $text, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
+
+		$firstline='';
+		$i=0;
+		$nba = count($a);	// 2x nb of lines in $a because $a contains also a line for each new line separator
+		while (($i < $nba) && ($i < ($nboflines * 2)))
+		{
+			if ($i % 2 == 0) $firstline .= $a[$i];
+			elseif (($i < (($nboflines * 2) - 1)) && ($i < ($nba - 1))) $firstline .= ($ishtml?"<br>\n":"\n");
+			$i++;
+		}
+		unset($a);
+    	return $firstline.(($i < $nba)?'...':'');
 	}
-    return $firstline.((strlen($firstline) != strlen($text))?'...':'');
 }
 
 
@@ -4665,7 +4700,7 @@ function dol_nboflines($s,$maxchar=0)
 
 
 /**
- *	Return nb of lines of a formated text with \n and <br> (we can't have both \n and br)
+ *	Return nb of lines of a formated text with \n and <br> (WARNING: string must not have mixed \n and br separators)
  *
  *	@param	string	$text      		Text
  *	@param	int		$maxlinesize  	Largeur de ligne en caracteres (ou 0 si pas de limite - defaut)
@@ -4701,6 +4736,8 @@ function dol_nboflines_bis($text,$maxlinesize=0,$charset='UTF-8')
 			}
 		}
 	}
+
+	unset($a);
 	return $nblines;
 }
 
diff --git a/test/phpunit/FunctionsLibTest.php b/test/phpunit/FunctionsLibTest.php
index 3345d780b7e..814adfb390b 100644
--- a/test/phpunit/FunctionsLibTest.php
+++ b/test/phpunit/FunctionsLibTest.php
@@ -120,10 +120,75 @@ class FunctionsLibTest extends PHPUnit_Framework_TestCase
 
 
 
+    /**
+     * testDolGetFirstLineOfText
+     *
+     * @return void
+     */
+    public function testDolGetFirstLineOfText()
+    {
+    	// Nb of line is same than entry text
+
+    	$input="aaaa";
+    	$result=dolGetFirstLineOfText($input);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa", $result);
+
+    	$input="aaaa\nbbbbbbbbbbbb\n";
+    	$result=dolGetFirstLineOfText($input, 2);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa\nbbbbbbbbbbbb", $result);
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>";
+    	$result=dolGetFirstLineOfText($input, 2);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa<br>\nbbbbbbbbbbbb", $result);
+
+    	// Nb of line is lower
+
+    	$input="aaaa\nbbbbbbbbbbbb\ncccccc\n";
+    	$result=dolGetFirstLineOfText($input);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa...", $result);
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>cccccc<br>";
+    	$result=dolGetFirstLineOfText($input);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa...", $result);
+
+    	$input="aaaa\nbbbbbbbbbbbb\ncccccc\n";
+    	$result=dolGetFirstLineOfText($input, 2);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa\nbbbbbbbbbbbb...", $result);
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>cccccc<br>";
+    	$result=dolGetFirstLineOfText($input, 2);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa<br>\nbbbbbbbbbbbb...", $result);
+
+    	// Nb of line is higher
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>cccccc";
+    	$result=dolGetFirstLineOfText($input, 100);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa<br>\nbbbbbbbbbbbb<br>\ncccccc", $result, 'dolGetFirstLineOfText with nb 100 a');
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>cccccc<br>";
+    	$result=dolGetFirstLineOfText($input, 100);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa<br>\nbbbbbbbbbbbb<br>\ncccccc", $result, 'dolGetFirstLineOfText with nb 100 b');
+
+    	$input="aaaa<br>bbbbbbbbbbbb<br>cccccc<br>\n";
+    	$result=dolGetFirstLineOfText($input, 100);
+    	print __METHOD__." result=".$result."\n";
+    	$this->assertEquals("aaaa<br>\nbbbbbbbbbbbb<br>\ncccccc", $result, 'dolGetFirstLineOfText with nb 100 c');
+    }
+
+
 	/**
 	 * testDolBuildPath
 	 *
-	 * @return boolean
+	 * @return void
 	 */
 	public function testDolBuildPath()
 	{