diff --git a/inc/3rdparty/libraries/mpdf/classes/barcode.php b/inc/3rdparty/libraries/mpdf/classes/barcode.php
index 2a0026934..9a230f0e1 100644
--- a/inc/3rdparty/libraries/mpdf/classes/barcode.php
+++ b/inc/3rdparty/libraries/mpdf/classes/barcode.php
@@ -871,6 +871,7 @@ class PDFBarcode {
 	 * Very capable code, excellent density, high reliability; in very wide use world-wide
 	 */
 	protected function barcode_c128($code, $type='B', $ean=false) {
+		$code = strcode2utf($code);	// mPDF 5.7.1	Allows e.g. <barcode code="5432&#013;1068" type="C128A" />
 		$chr = array(
 			'212222', /* 00 */
 			'222122', /* 01 */
diff --git a/inc/3rdparty/libraries/mpdf/classes/cssmgr.php b/inc/3rdparty/libraries/mpdf/classes/cssmgr.php
index 9bbbed9c2..db3250349 100644
--- a/inc/3rdparty/libraries/mpdf/classes/cssmgr.php
+++ b/inc/3rdparty/libraries/mpdf/classes/cssmgr.php
@@ -221,9 +221,8 @@ function ReadCSS($html) {
 		}
 	}
 
-	// mPDF 5.5.13
 	// Replace any background: url(data:image... with temporary image file reference
-	preg_match_all("/(url\(data:image\/(jpeg|gif|png);base64,(.*)\))/si", $CSSstr, $idata);
+	preg_match_all("/(url\(data:image\/(jpeg|gif|png);base64,(.*?)\))/si", $CSSstr, $idata);	// mPDF 5.7.2
 	if (count($idata[0])) { 
 		for($i=0;$i<count($idata[0]);$i++) {
 			$file = _MPDF_TEMP_PATH.'_tempCSSidata'.RAND(1,10000).'_'.$i.'.'.$idata[2][$i];
@@ -699,6 +698,13 @@ function fixCSS($prop) {
 			}
 			else { $newprop[$k] = $v; }
 		}
+		else if ($k == 'LIST-STYLE') {	// mPDF 5.7.2
+			if (preg_match('/(lower-roman|upper-roman|lower-latin|lower-alpha|upper-latin|upper-alpha|none|decimal|disc|circle|square|arabic-indic|bengali|devanagari|gujarati|gurmukhi|kannada|malayalam|oriya|persian|tamil|telugu|thai|urdu|cambodian|khmer|lao)/i',$v,$m)
+			|| preg_match('/U\+([a-fA-F0-9]+)/i',$v,$m)) { 
+				$newprop['LIST-STYLE-TYPE'] = strtolower(trim($m[1]));
+			}
+		}
+
 
 		else { 
 			$newprop[$k] = $v; 
diff --git a/inc/3rdparty/libraries/mpdf/classes/svg.php b/inc/3rdparty/libraries/mpdf/classes/svg.php
index 3efe50f9e..571f4eddd 100644
--- a/inc/3rdparty/libraries/mpdf/classes/svg.php
+++ b/inc/3rdparty/libraries/mpdf/classes/svg.php
@@ -808,13 +808,20 @@ $md = $sy * cos($t);
 		}
 
 		if (isset($critere_style['style'])){
-			if (preg_match('/fill:\s*rgb\((\d+),\s*(\d+),\s*(\d+)\)/',$critere_style['style'], $m)) {
+			if (preg_match('/fill:\s*rgb\((\d+),\s*(\d+),\s*(\d+)\)/i',$critere_style['style'], $m)) {	// mPDF 5.7.2
 				$current_style['fill'] = '#'.str_pad(dechex($m[1]), 2, "0", STR_PAD_LEFT).str_pad(dechex($m[2]), 2, "0", STR_PAD_LEFT).str_pad(dechex($m[3]), 2, "0", STR_PAD_LEFT);
 			}
 			else { $tmp = preg_replace("/(.*)fill:\s*([a-z0-9#_()]*|none)(.*)/i","$2",$critere_style['style']);	// mPDF 4.4.003
 				if ($tmp != $critere_style['style']){ $current_style['fill'] = $tmp; }
 			}
 
+			// mPDF 5.7.2
+			if (preg_match("/[^-]opacity:\s*([a-z0-9.]*|none)/i",$critere_style['style'], $m) ||
+				preg_match("/^opacity:\s*([a-z0-9.]*|none)/i",$critere_style['style'], $m)) {
+				$current_style['fill-opacity'] = $m[1];
+				$current_style['stroke-opacity'] = $m[1];
+			}
+
 			$tmp = preg_replace("/(.*)fill-opacity:\s*([a-z0-9.]*|none)(.*)/i","$2",$critere_style['style']);
 			if ($tmp != $critere_style['style']){ $current_style['fill-opacity'] = $tmp;}
 
@@ -852,6 +859,12 @@ $md = $sy * cos($t);
 			if ($tmp != $critere_style['style']){ $current_style['stroke-dashoffset'] = $tmp;}
 
 		}
+		// mPDF 5.7.2
+		if(isset($critere_style['opacity'])){
+			$current_style['fill-opacity'] = $critere_style['opacity'];
+			$current_style['stroke-opacity'] = $critere_style['opacity'];
+		}
+
 		if(isset($critere_style['fill'])){
 			$current_style['fill'] = $critere_style['fill'];
 		}
@@ -909,7 +922,7 @@ $md = $sy * cos($t);
 	//	Cette fonction ecrit le style dans le stream svg.
 	function svgStyle($critere_style, $attribs, $element){
 		$path_style = '';
-		if (substr_count($critere_style['fill'],'url')>0){
+		if (substr_count($critere_style['fill'],'url')>0 && $element != 'line'){
 			//
 			// couleur degradé
 			$id_gradient = preg_replace("/url\(#([\w_]*)\)/i","$1",$critere_style['fill']);
@@ -926,7 +939,7 @@ $md = $sy * cos($t);
 
 		}
 		// mPDF 4.4.005   Used as indirect setting for currentColor
-		else if (strtolower($critere_style['fill']) == 'currentcolor'){
+		else if (strtolower($critere_style['fill']) == 'currentcolor' && $element != 'line'){
 			$col = $this->mpdf_ref->ConvertColor($critere_style['color']);
 			if ($col) {
 				// mPDF 5.0.051
@@ -937,7 +950,7 @@ $md = $sy * cos($t);
 				$style .= 'F';
 			}
 		}
-		else if ($critere_style['fill'] != 'none'){
+		else if ($critere_style['fill'] != 'none' && $element != 'line'){
 			$col = $this->mpdf_ref->ConvertColor($critere_style['fill']);
 			if ($col) {
 				// mPDF 5.0.051
@@ -1898,12 +1911,10 @@ function Arcto($x1, $y1, $x2, $y2, $rx, $ry, $angle, $largeArcFlag, $sweepFlag)
 			$xbase = $x;
 			$ybase = -$y;
 
-			// mPDF 5.0.041
-			// mPDF 5.0.051
-			$path_cmd =  sprintf('q BT /F%d %s %.3F Tf %.3F %.3F Td %s Tr %s %s %s Tj ET Q ',$this->mpdf_ref->CurrentFont['i'],$opacitystr, $this->mpdf_ref->FontSizePt,$pdfx*$this->kp,$pdfy*$this->kp,$render,$fillstr,$strokestr,$txt)."\n";
+			// mPDF 5.7.2
+			$path_cmd =  sprintf('q BT /F%d %.3F Tf %s %.3F %.3F Td %s Tr %s %s %s Tj ET Q ',$this->mpdf_ref->CurrentFont['i'], $this->mpdf_ref->FontSizePt, $opacitystr, $pdfx*$this->kp,$pdfy*$this->kp,$render,$fillstr,$strokestr,$txt)."\n";
 			unset($this->txt_data[0], $this->txt_data[1],$this->txt_data[2]);
 
-			// mPDF 5.4.12
 			if (isset($current_style['font-size-parent'])) {
 				$this->mpdf_ref->SetFontSize($current_style['font-size-parent']);
 			}
@@ -1912,7 +1923,6 @@ function Arcto($x1, $y1, $x2, $y2, $rx, $ry, $angle, $largeArcFlag, $sweepFlag)
 		{
 			return ' ';
 		}
-//		$path_cmd .= 'h ';	// mPDF 5.0
 		return $path_cmd;
 	}
 
@@ -1964,8 +1974,8 @@ function svgDefineTxtStyle($critere_style)
 			$tmp = preg_replace("/(.*)stroke-dashoffset:\s*([a-z0-9.]*|none)(.*)/i","$2",$critere_style['style']);
 			if ($tmp != $critere_style['style']){ $current_style['stroke-dashoffset'] = $tmp;}
 
-			// mPDF 5.0.039
-			$tmp = preg_replace("/(.*)font-family:\s*([a-z0-9.]*|none)(.*)/i","$2",$critere_style['style']);
+			// mPDF 5.7.2
+			$tmp = preg_replace("/(.*)font-family:\s*([a-z0-9.\"' ,\-]*|none)(.*)/i","$2",$critere_style['style']);
 			if ($tmp != $critere_style['style']){ $critere_style['font-family'] = $tmp;}
 
 			$tmp = preg_replace("/(.*)font-size:\s*([a-z0-9.]*|none)(.*)/i","$2",$critere_style['style']);
@@ -2120,15 +2130,15 @@ function svgDefineTxtStyle($critere_style)
 		}
 
 
-		// mPDF 4.4.003
 		if (preg_match('/xlink:href=/si',$data)) {
+			// GRADIENTS
 			// Get links
 			preg_match_all('/(<(linearGradient|radialgradient)[^>]*)xlink:href=["\']#(.*?)["\'](.*?)\/>/si',$data, $links);
-			if (count($links[0])) { $links[5] = array(); }	// mPDF 4.5.010
+			if (count($links[0])) { $links[5] = array(); }
 			// Delete links from data - keeping in $links
 			for ($i=0; $i<count($links[0]); $i++) {
-				$links[5][$i] = 'tmpLink'.RAND(100000,9999999);	// mPDF 4.5.010
-				$data = preg_replace('/'.preg_quote($links[0][$i],'/').'/is', '<MYLINKS'.$links[5][$i].'>' , $data);	// mPDF 4.5.010
+				$links[5][$i] = 'tmpLink'.RAND(100000,9999999);
+				$data = preg_replace('/'.preg_quote($links[0][$i],'/').'/is', '<MYLINKS'.$links[5][$i].'>' , $data);
 			}
 			// Get targets
 			preg_match_all('/<(linearGradient|radialgradient)([^>]*)id=["\'](.*?)["\'](.*?)>(.*?)<\/(linearGradient|radialgradient)>/si',$data, $m);
@@ -2140,13 +2150,110 @@ function svgDefineTxtStyle($critere_style)
 			}
 			// Add back links this time as targets (gradients)
 			for ($i=0; $i<count($links[0]); $i++) {
-				$def = $links[1][$i] .' '.$links[4][$i].'>'. $stops[$links[3][$i]].'</'.$links[2][$i] .'>' ;	// mPDF 4.5.010
-				$data = preg_replace('/<MYLINKS'.$links[5][$i].'>/is', $def , $data);	// mPDF 4.5.010
+				$def = $links[1][$i] .' '.$links[4][$i].'>'. $stops[$links[3][$i]].'</'.$links[2][$i] .'>' ;
+				$data = preg_replace('/<MYLINKS'.$links[5][$i].'>/is', $def , $data);
+			}
+
+			// mPDF 5.7.2
+			// <USE>
+			preg_match_all('/<use ([^>]*)xlink:href=["\']#([^>]*?)["\']([^>]*)\/>/si',$data, $links);
+			for ($i=0; $i<count($links[0]); $i++) {
+
+				// Get the item to use from defs
+				$insert = '';
+				if (preg_match('/<([a-zA-Z]*) [^>]*id=["\']'.$links[2][$i].'["\'][^>]*\/>/si',$data, $m)) {
+					$insert = $m[0]; 
+				}
+				if (!$insert && preg_match('/<([a-zA-Z]*) [^>]*id=["\']'.$links[2][$i].'["\']/si',$data, $m)) {
+
+					if (preg_match('/<'.$m[1].'[^>]*id=["\']'.$links[2][$i].'["\'][^>]*>.*?<\/'.$m[1].'>/si',$data, $m)) {
+						$insert = $m[0]; 
+					}
+				}
+
+				if ($insert) {
+
+					$inners = $links[1][$i] . ' ' . $links[3][$i];
+					// Change x,y coords to translate()
+					if (preg_match('/y=["\']([^>]*?)["\']/', $inners, $m)) { $y = $m[1]; }
+					else { $y = 0; }
+					if (preg_match('/x=["\']([^>]*?)["\']/', $inners, $m)) { $x = $m[1]; }
+					else { $x = 0; }
+					if ($x || $y) {
+						$inners = preg_replace('/(y|x)=["\']([^>]*?)["\']/', '', $inners);
+						if (preg_match('/transform=["\']([^>]*?)["\']/', $inners, $m)) {
+							if (preg_match('/translate\(\s*([0-9\.]+)\s*,\s*([0-9\.]+)\s*\)/', $m[1], $mm)) {
+								$transform = $m[1];	// transform="...."
+								$x += $mm[1];
+								$y += $mm[2];
+								$transform = preg_replace('/'.preg_quote($mm[0],'/').'/', '', $transform);
+								$transform = 'transform="'.$transform.' translate('.$x.', '.$y.')"';
+								$inners = preg_replace('/'.preg_quote($m[0],'/').'/is', $transform, $inners);
+							}
+							else {
+								$inners = preg_replace('/'.preg_quote($m[0],'/').'/is', 'transform="'.$m[1].' translate('.$x.', '.$y.')"', $inners);
+							}
+						}
+						else {
+							$inners .= ' transform="translate('.$x.', '.$y.')"';
+						}
+					}
+				}
+				$replacement = '<g '.$inners.'>'.$insert.'</g>';
+				$data = preg_replace('/'.preg_quote($links[0][$i],'/').'/is', $replacement, $data);
+			}
+			preg_match_all('/<use ([^>]*)xlink:href=["\']#([^>]*?)["\']([^>]*)>\s*<\/use>/si',$data, $links);
+			for ($i=0; $i<count($links[0]); $i++) {
+
+				// Get the item to use from defs
+				$insert = '';
+				if (preg_match('/<([a-zA-Z]*) [^>]*id=["\']'.$links[2][$i].'["\'][^>]*\/>/si',$data, $m)) {
+					$insert = $m[0]; 
+				}
+				if (!$insert && preg_match('/<([a-zA-Z]*) [^>]*id=["\']'.$links[2][$i].'["\']/si',$data, $m)) {
+
+					if (preg_match('/<'.$m[1].'[^>]*id=["\']'.$links[2][$i].'["\'][^>]*>.*?<\/'.$m[1].'>/si',$data, $m)) {
+						$insert = $m[0]; 
+					}
+				}
+
+				if ($insert) {
+
+					$inners = $links[1][$i] . ' ' . $links[3][$i];
+					// Change x,y coords to translate()
+					if (preg_match('/y=["\']([^>]*?)["\']/', $inners, $m)) { $y = $m[1]; }
+					else { $y = 0; }
+					if (preg_match('/x=["\']([^>]*?)["\']/', $inners, $m)) { $x = $m[1]; }
+					else { $x = 0; }
+					if ($x || $y) {
+						$inners = preg_replace('/(y|x)=["\']([^>]*?)["\']/', '', $inners);
+						if (preg_match('/transform=["\']([^>]*?)["\']/', $inners, $m)) {
+							if (preg_match('/translate\(\s*([0-9\.]+)\s*,\s*([0-9\.]+)\s*\)/', $m[1], $mm)) {
+								$transform = $m[1];	// transform="...."
+								$x += $mm[1];
+								$y += $mm[2];
+								$transform = preg_replace('/'.preg_quote($mm[0],'/').'/', '', $transform);
+								$transform = 'transform="'.$transform.' translate('.$x.', '.$y.')"';
+								$inners = preg_replace('/'.preg_quote($m[0],'/').'/is', $transform, $inners);
+							}
+							else {
+								$inners = preg_replace('/'.preg_quote($m[0],'/').'/is', 'transform="'.$m[1].' translate('.$x.', '.$y.')"', $inners);
+							}
+						}
+						else {
+							$inners .= ' transform="translate('.$x.', '.$y.')"';
+						}
+					}
+					$replacement = '<g '.$inners.'>'.$insert.'</g>';
+					$data = preg_replace('/'.preg_quote($links[0][$i],'/').'/is', $replacement, $data);
+
+
+				}
 			}
 		}
-		// mPDF 4.4.003	- Removes <pattern>
+		// Removes <pattern>
 		$data = preg_replace('/<pattern.*?<\/pattern>/is', '', $data);
-		// mPDF 4.4.003	- Removes <marker>
+		// Removes <marker>
 		$data = preg_replace('/<marker.*?<\/marker>/is', '', $data);
 
 		$this->svg_info['data'] = $data;
@@ -2155,14 +2262,96 @@ function svgDefineTxtStyle($critere_style)
 		
 		//
 		//	chargement unique des fonctions
-		if(!function_exists("xml_svg2pdf_start")){	// mPDF 5.3.76
+		if(!function_exists("xml_svg2pdf_start")){
 
 			function xml_svg2pdf_start($parser, $name, $attribs){
 				//
 				//	definition
 				global $svg_class, $last_gradid;
 
-				// mPDF 4.4.003
+				// mPDF 5.7.2
+				if (strtolower($name) == 'lineargradient'){
+						$tmp_gradient = array(
+							'type' => 'linear',
+							'info' => array(
+								'x1' => $attribs['x1'],
+								'y1' => $attribs['y1'],
+								'x2' => $attribs['x2'],
+								'y2' => $attribs['y2']
+							),
+							'transform' => $attribs['gradientTransform'],
+							'units' => $attribs['gradientUnits'],
+							'spread' => $attribs['spreadMethod'],
+							'color' => array()
+						);
+						$last_gradid = $attribs['id'];
+						$svg_class->svgAddGradient($attribs['id'],$tmp_gradient);
+					return;
+				}
+				else if (strtolower($name) == 'radialgradient'){
+						$tmp_gradient = array(
+							'type' => 'radial',
+							'info' => array(
+								'x0' => $attribs['cx'],
+								'y0' => $attribs['cy'],
+								'x1' => $attribs['fx'],
+								'y1' => $attribs['fy'],
+								'r' => $attribs['r']
+							),
+							'transform' => $attribs['gradientTransform'],
+							'units' => $attribs['gradientUnits'],
+							'spread' => $attribs['spreadMethod'],
+							'color' => array()
+						);
+						$last_gradid = $attribs['id'];
+						$svg_class->svgAddGradient($attribs['id'],$tmp_gradient);
+					return;
+				}
+				else if (strtolower($name) == 'stop'){
+						if (!$last_gradid) break;
+						if (isset($attribs['style']) AND preg_match('/stop-color:\s*([^;]*)/i',$attribs['style'],$m)) {
+							$color = trim($m[1]);
+						} else if (isset($attribs['stop-color'])) {
+							$color = $attribs['stop-color'];
+						}
+						$col = $svg_class->mpdf_ref->ConvertColor($color);
+
+						if ($col{0}==3 || $col{0}==5) {	// RGB
+							$color_final = sprintf('%.3F %.3F %.3F',ord($col{1})/255,ord($col{2})/255,ord($col{3})/255);
+							$svg_class->svg_gradient[$last_gradid]['colorspace']='RGB';
+						}
+						else if ($col{0}==4 || $col{0}==6) {	// CMYK
+							$color_final = sprintf('%.3F %.3F %.3F %.3F',ord($col{1})/100,ord($col{2})/100,ord($col{3})/100,ord($col{4})/100);
+							$svg_class->svg_gradient[$last_gradid]['colorspace']='CMYK';
+						}
+						else if ($col{0}==1) {	// Grayscale
+							$color_final = sprintf('%.3F',ord($col{1})/255);
+							$svg_class->svg_gradient[$last_gradid]['colorspace']='Gray';
+						}
+
+						$stop_opacity = 1;
+						if (isset($attribs['style']) AND preg_match('/stop-opacity:\s*([0-9.]*)/i',$attribs['style'],$m)) {
+							$stop_opacity = $m[1];
+						} else if (isset($attribs['stop-opacity'])) {
+							$stop_opacity = $attribs['stop-opacity'];
+						}
+						else if ($col{0}==5) {	// RGBa
+							$stop_opacity = ord($col{4}/100);
+						}
+						else if ($col{0}==6) {	// CMYKa
+							$stop_opacity = ord($col{5}/100);
+						}
+
+						$tmp_color = array(
+							'color' => $color_final,
+							'offset' => $attribs['offset'],
+							'opacity' => $stop_opacity
+						);
+						array_push($svg_class->svg_gradient[$last_gradid]['color'],$tmp_color);
+					return;
+				}
+				if ($svg_class->inDefs) { return; }
+
 				$svg_class->xbase = 0;
 				$svg_class->ybase = 0;
 				switch (strtolower($name)){
@@ -2293,99 +2482,6 @@ function svgDefineTxtStyle($critere_style)
 					$path_style = $svg_class->svgDefineStyle($critere_style);
 					break;
 
-				case 'lineargradient':
-						$tmp_gradient = array(
-							'type' => 'linear',
-							'info' => array(
-								'x1' => $attribs['x1'],
-								'y1' => $attribs['y1'],
-								'x2' => $attribs['x2'],
-								'y2' => $attribs['y2']
-							),
-							'transform' => $attribs['gradientTransform'],
-							'units' => $attribs['gradientUnits'],	/* mPDF 4.4.003 */
-							'spread' => $attribs['spreadMethod'],	/* mPDF 5.0.040 */
-							'color' => array()
-						);
-
-						$last_gradid = $attribs['id'];
-						$svg_class->svgAddGradient($attribs['id'],$tmp_gradient);
-					break;
-
-				case 'radialgradient':
-						$tmp_gradient = array(
-							'type' => 'radial',
-							'info' => array(
-								'x0' => $attribs['cx'],
-								'y0' => $attribs['cy'],
-								'x1' => $attribs['fx'],
-								'y1' => $attribs['fy'],
-								'r' => $attribs['r']
-							),
-							'transform' => $attribs['gradientTransform'],
-							'units' => $attribs['gradientUnits'],	/* mPDF 4.4.003 */
-							'spread' => $attribs['spreadMethod'],	/* mPDF 5.0.040 */
-							'color' => array()
-						);
-
-						$last_gradid = $attribs['id'];
-
-						$svg_class->svgAddGradient($attribs['id'],$tmp_gradient);
-
-					break;
-
-				case 'stop':
-						if (!$last_gradid) break;
-						// mPDF 4.4.003  // mPDF 5.0.040
-						if (isset($attribs['style']) AND preg_match('/stop-color:\s*([^;]*)/i',$attribs['style'],$m)) {
-							$color = trim($m[1]);
-						} else if (isset($attribs['stop-color'])) {
-							$color = $attribs['stop-color'];
-						}
-						$col = $svg_class->mpdf_ref->ConvertColor($color);
-
-						// mPDF 5.0.051
-						// mPDF 5.3.74
-						if ($col{0}==3 || $col{0}==5) {	// RGB
-							$color_final = sprintf('%.3F %.3F %.3F',ord($col{1})/255,ord($col{2})/255,ord($col{3})/255);
-							$svg_class->svg_gradient[$last_gradid]['colorspace']='RGB';
-						}
-						else if ($col{0}==4 || $col{0}==6) {	// CMYK
-							$color_final = sprintf('%.3F %.3F %.3F %.3F',ord($col{1})/100,ord($col{2})/100,ord($col{3})/100,ord($col{4})/100);
-							$svg_class->svg_gradient[$last_gradid]['colorspace']='CMYK';
-						}
-						else if ($col{0}==1) {	// Grayscale
-							$color_final = sprintf('%.3F',ord($col{1})/255);
-							$svg_class->svg_gradient[$last_gradid]['colorspace']='Gray';
-						}
-
-
-						// mPDF 5.0.020
-						$stop_opacity = 1;
-						// mPDF 4.4.003
-						if (isset($attribs['style']) AND preg_match('/stop-opacity:\s*([0-9.]*)/i',$attribs['style'],$m)) {
-							$stop_opacity = $m[1];
-						} else if (isset($attribs['stop-opacity'])) {
-							$stop_opacity = $attribs['stop-opacity'];
-						}
-						// mPDF 5.0.051
-						// mPDF 5.3.74
-						else if ($col{0}==5) {	// RGBa
-							$stop_opacity = ord($col{4}/100);
-						}
-						else if ($col{0}==6) {	// CMYKa
-							$stop_opacity = ord($col{5}/100);
-						}
-
-						$tmp_color = array(
-							'color' => $color_final,
-							'offset' => $attribs['offset'],
-							'opacity' => $stop_opacity
-						);
-						array_push($svg_class->svg_gradient[$last_gradid]['color'],$tmp_color);
-					break;
-
-
 				case 'a':
 						if (isset($attribs['xlink:href'])) {
 							unset($attribs['xlink:href']);	// this should be a hyperlink
@@ -2403,7 +2499,6 @@ function svgDefineTxtStyle($critere_style)
 					break;
 
 				case 'text':
-						// mPDF 4.4.003
 						$array_style = $svg_class->svgDefineStyle($attribs);
 						if ($array_style['transformations']) {
 							$svg_class->svgWriteString(' q '.$array_style['transformations']);
@@ -2436,6 +2531,7 @@ function svgDefineTxtStyle($critere_style)
 			function characterData($parser, $data)
 			{
 				global $svg_class;
+				if ($svg_class->inDefs) { return; }		// mPDF 5.7.2
 				if(isset($svg_class->txt_data[2])) {
 					$svg_class->txt_data[2] .= $data;
 				}
@@ -2447,6 +2543,13 @@ function svgDefineTxtStyle($critere_style)
 
 			function xml_svg2pdf_end($parser, $name){
 				global $svg_class;
+		 		// Don't output stuff inside <defs>
+				// mPDF 5.7.2
+				if ($name == 'defs') {
+					$svg_class->inDefs = false;
+					return;
+				}
+				if ($svg_class->inDefs) { return; }
 				switch($name){
 
 					case "g":
diff --git a/inc/3rdparty/libraries/mpdf/classes/tocontents.php b/inc/3rdparty/libraries/mpdf/classes/tocontents.php
index 4e0065d22..b1b614465 100644
--- a/inc/3rdparty/libraries/mpdf/classes/tocontents.php
+++ b/inc/3rdparty/libraries/mpdf/classes/tocontents.php
@@ -224,7 +224,6 @@ function insertTOC() {
 		$tocstart=count($this->mpdf->pages);
 		if ($toc_preHTML) { $this->mpdf->WriteHTML($toc_preHTML); }
 
-
 		// mPDF 5.6.19
 		$html ='<div class="mpdf_toc" id="mpdf_toc_'.$toc_id.'">';
 		foreach($this->_toc as $t) {
@@ -268,7 +267,7 @@ function insertTOC() {
 	$s .= $this->mpdf->PrintBodyBackgrounds();
 
 	$s .= $this->mpdf->PrintPageBackgrounds();
-	$this->mpdf->pages[$this->mpdf->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', "\n".$s."\n".'\\1', $this->mpdf->pages[$this->mpdf->page]);
+	$this->mpdf->pages[$this->mpdf->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->mpdf->uniqstr.')/', "\n".$s."\n".'\\1', $this->mpdf->pages[$this->mpdf->page]);
 	$this->mpdf->pageBackgrounds = array();
 
 	//Page footer
diff --git a/inc/3rdparty/libraries/mpdf/includes/functions.php b/inc/3rdparty/libraries/mpdf/includes/functions.php
index 03f470900..78683af83 100644
--- a/inc/3rdparty/libraries/mpdf/includes/functions.php
+++ b/inc/3rdparty/libraries/mpdf/includes/functions.php
@@ -1,5 +1,13 @@
 <?php
 
+// mPDF 5.7
+// Replace a section of an array with the elements in reverse
+function array_splice_reverse(&$arr, $offset, $length) {
+	$tmp = (array_reverse(array_slice($arr, $offset, $length)));
+	array_splice($arr, $offset, $length, $tmp);
+}
+
+
 // mPDF 5.6.23
 function array_insert(&$array, $value, $offset) {
 	if (is_array($array)) {
@@ -92,12 +100,30 @@ function PreparePreText($text,$ff='//FF//') {
 if(!function_exists('strcode2utf')){ 
   function strcode2utf($str,$lo=true) {
 	//converts all the &#nnn; and &#xhhh; in a string to Unicode
-	if ($lo) { $lo = 1; } else { $lo = 0; }
-	$str = preg_replace('/\&\#([0-9]+)\;/me', "code2utf('\\1',{$lo})",$str);
-	$str = preg_replace('/\&\#x([0-9a-fA-F]+)\;/me', "codeHex2utf('\\1',{$lo})",$str);
+	// mPDF 5.7
+	if ($lo) {
+		$str = preg_replace_callback('/\&\#([0-9]+)\;/m', 'code2utf_lo_callback', $str);
+		$str = preg_replace_callback('/\&\#x([0-9a-fA-F]+)\;/m', 'codeHex2utf_lo_callback', $str);
+	}
+	else {
+		$str = preg_replace_callback('/\&\#([0-9]+)\;/m', 'code2utf_callback', $str);
+		$str = preg_replace_callback('/\&\#x([0-9a-fA-F]+)\;/m', 'codeHex2utf_callback', $str);
+	}
 	return $str;
   }
 }
+function code2utf_callback($matches) {
+	return code2utf($matches[1], 0);
+}
+function code2utf_lo_callback($matches) {
+	return code2utf($matches[1], 1);
+}
+function codeHex2utf_callback($matches) {
+	return codeHex2utf($matches[1], 0);
+}
+function codeHex2utf_lo_callback($matches) {
+	return codeHex2utf($matches[1], 1);
+}
 
 if(!function_exists('code2utf')){ 
   function code2utf($num,$lo=true){
diff --git a/inc/3rdparty/libraries/mpdf/mpdf.php b/inc/3rdparty/libraries/mpdf/mpdf.php
index f12dfec0d..fd4f57b36 100644
--- a/inc/3rdparty/libraries/mpdf/mpdf.php
+++ b/inc/3rdparty/libraries/mpdf/mpdf.php
@@ -2,10 +2,10 @@
 
 // ******************************************************************************
 // Software: mPDF, Unicode-HTML Free PDF generator                              *
-// Version:  5.7     based on                                                   *
+// Version:  5.7.2     based on                                                   *
 //           FPDF by Olivier PLATHEY                                            *
 //           HTML2FPDF by Renato Coelho                                         *
-// Date:     2013-07-14                                                         *
+// Date:     2013-09-01                                                         *
 // Author:   Ian Back <ianb@bpm1.com>                                           *
 // License:  GPL                                                                *
 //                                                                              *
@@ -13,7 +13,7 @@
 // ******************************************************************************
 
 
-define('mPDF_VERSION','5.7');
+define('mPDF_VERSION','5.7.2');
 
 //Scale factor
 define('_MPDFK', (72/25.4));
@@ -269,6 +269,7 @@ var $directw;
 //////////////////////
 // INTERNAL VARIABLES
 //////////////////////
+var $uniqstr;	// mPDF 5.7.2
 var $writingToC;	// mPDF 5.6.38
 // mPDF 5.6.01
 var $layers;
@@ -850,6 +851,7 @@ function mPDF($mode='',$format='A4',$default_font_size=0,$default_font='',$mgl=1
 	$this->useSubstitutionsMB =& $this->useSubstitutions;
 
 	$this->writingToC = false;	// mPDF 5.6.38
+	$this->uniqstr = '20110230';	// mPDF 5.7.2
 	// mPDF 5.6.01
 	$this->layers = array();
 	$this->current_layer = 0;
@@ -1146,7 +1148,7 @@ function mPDF($mode='',$format='A4',$default_font_size=0,$default_font='',$mgl=1
 	$optcore = false;
 	$onlyCoreFonts = false;
 	if (preg_match('/([\-+])aCJK/i',$mode, $m)) {
-		preg_replace('/([\-+])aCJK/i','',$mode);
+		$mode = preg_replace('/([\-+])aCJK/i','',$mode);
 		if ($m[1]=='+') { $this->useAdobeCJK = true; }
 		else { $this->useAdobeCJK = false; }
 	}
@@ -1682,8 +1684,8 @@ function SetAlpha($alpha, $bm='Normal', $return=false, $mode='B') {
 		$alpha = 1; 
 	}
 	$a = array('BM'=>'/'.$bm);
-	if ($mode=='F' || $mode='B') $a['ca'] = $alpha;
-	if ($mode=='S' || $mode='B') $a['CA'] = $alpha;
+	if ($mode=='F' || $mode=='B') $a['ca'] = $alpha;	// mPDF 5.7.2
+	if ($mode=='S' || $mode=='B') $a['CA'] = $alpha;	// mPDF 5.7.2
 	$gs = $this->AddExtGState($a);
 	if ($return) { return sprintf('/GS%d gs', $gs); }
 	else { $this->_out(sprintf('/GS%d gs', $gs)); }
@@ -1765,7 +1767,7 @@ function Close() {
 	$s .= $this->PrintBodyBackgrounds();
 
 	$s .= $this->PrintPageBackgrounds();
-	$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', "\n".$s."\n".'\\1', $this->pages[$this->page]);
+	$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', "\n".$s."\n".'\\1', $this->pages[$this->page]);
 	$this->pageBackgrounds = array();
 
 	if($this->visibility!='visible')
@@ -2344,7 +2346,7 @@ function AddPage($orientation='',$condition='', $resetpagenum='', $pagenumstyle=
 		$s = $this->PrintPageBackgrounds();
 
 		// Writes after the marker so not overwritten later by page background etc.
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 		$this->pageBackgrounds = array();
 		$family=$this->FontFamily;
 		$style=$this->FontStyle.($this->U ? 'U' : '').($this->S ? 'S' : '');
@@ -2485,7 +2487,7 @@ function AddPage($orientation='',$condition='', $resetpagenum='', $pagenumstyle=
 		$s .= $this->PrintBodyBackgrounds();
 
 		$s .= $this->PrintPageBackgrounds();
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', "\n".$s."\n".'\\1', $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', "\n".$s."\n".'\\1', $this->pages[$this->page]);
 		$this->pageBackgrounds = array();
 	}
 
@@ -2545,9 +2547,9 @@ function AddPage($orientation='',$condition='', $resetpagenum='', $pagenumstyle=
 	}
 
 	// Tiling Patterns
-	$this->_out('___PAGE___START'.date('jY'));
-	$this->_out('___BACKGROUND___PATTERNS'.date('jY'));
-	$this->_out('___HEADER___MARKER'.date('jY'));
+	$this->_out('___PAGE___START'.$this->uniqstr);
+	$this->_out('___BACKGROUND___PATTERNS'.$this->uniqstr);
+	$this->_out('___HEADER___MARKER'.$this->uniqstr);
 	$this->pageBackgrounds = array();
 
 	//Set line cap style to square
@@ -3628,9 +3630,8 @@ function Cell($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0,$link='', $curre
 	$oldcolumn = $this->CurrCol;
 	// Automatic page break
 	// Allows PAGE-BREAK-AFTER = avoid to work
-
 	if (!$this->tableLevel && (($this->y+$this->divheight>$this->PageBreakTrigger) || ($this->y+$h>$this->PageBreakTrigger) || 
-		($this->y+($h*2)>$this->PageBreakTrigger && $this->blk[$this->blklvl]['page_break_after_avoid'])) and !$this->InFooter and $this->AcceptPageBreak()) {
+		($this->y+($h*2)+$this->blk[$this->blklvl]['padding_bottom']+$this->blk[$this->blklvl]['margin_bottom']>$this->PageBreakTrigger && $this->blk[$this->blklvl]['page_break_after_avoid'])) and !$this->InFooter and $this->AcceptPageBreak()) {	// mPDF 5.7.2
 		$x=$this->x;//Current X position
 
 
@@ -6086,6 +6087,17 @@ function WriteFlowingBlock( $s)
 			$savedContent = array_pop( $content );
 			$savedContentB = array_pop($contentB);	// mPDF 5.6.20
 			$savedFont = array_pop( $font );
+
+			// mPDF 5.7.2
+			// e.g: |first chunk |second chunk |[IndexEntry]|doesntfit
+			if (isset($this->objectbuffer[(count($content)-1)]) && $this->objectbuffer[(count($content)-1)]['OUTER-WIDTH'] < 0.001) {
+				$savedObj = $this->objectbuffer[(count($content)-1)];
+				array_pop( $content );
+				array_pop( $contentB );
+				array_pop( $font );
+				array_pop( $this->objectbuffer );
+			}
+
 			// trim any trailing spaces off the last bit of content
 			$currContent =& $content[ count( $content ) - 1 ];
 			$currContent = rtrim( $currContent );
@@ -6347,6 +6359,10 @@ function WriteFlowingBlock( $s)
 			$this->keep_block_together = 0;
 		}
 
+		if ($this->kwt && !$is_table) {	// mPDF 5.7+
+			$this->printkwtbuffer();
+			$this->kwt = false;
+		}
 
 /*-- COLUMNS --*/
 		// COLS
@@ -6913,7 +6929,7 @@ function Image($file,$x,$y,$w=0,$h=0,$type='',$link='',$paint=true, $constrain=t
 
 	  if ($this->watermarkImgBehind) { 
 		$outstring = $this->watermarkImgAlpha . "\n" . $outstring . "\n" . $this->SetAlpha(1, 'Normal', true) . "\n";
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', "\n".$outstring."\n".'\\1', $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', "\n".$outstring."\n".'\\1', $this->pages[$this->page]);
 	  }
 	  else { $this->_out($outstring); }
 
@@ -7387,7 +7403,7 @@ function Output($name='',$dest='')
 /*-- PROGRESS-BAR --*/
 	if ($this->progressBar && ($dest=='D' || $dest=='I')) {
 		if($name=='') { $name='mpdf.pdf'; }
-		$tempfile = '_tempPDF'.RAND(1,10000);
+		$tempfile = '_tempPDF'.uniqid(rand(1,100000),true);
 		//Save to local file
 		$f=fopen(_MPDF_TEMP_PATH.$tempfile.'.pdf','wb');
 		if(!$f) $this->Error('Unable to create temporary output file: '.$tempfile.'.pdf');
@@ -7451,7 +7467,7 @@ function Output($name='',$dest='')
 					// don't use length if server using compression
 					header('Content-Length: '.strlen($this->buffer));
 				}
-				header('Content-disposition: attachment; filename="'.$name.'"');
+				header('Content-disposition: inline; filename="'.$name.'"');
 				header('Cache-Control: public, must-revalidate, max-age=0'); 
 				header('Pragma: public');
 				header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); 
@@ -7501,7 +7517,7 @@ function Output($name='',$dest='')
 		$interval = 3600;
 		if ($handle = opendir(preg_replace('/\/$/','',_MPDF_TEMP_PATH))) {
 		   while (false !== ($file = readdir($handle))) { 
-			if (!is_dir($file) && ((filemtime(_MPDF_TEMP_PATH.$file)+$interval) < time()) && ($file != "..") && ($file != ".")) { // mPDF 5.4.19
+			if (!is_dir($file) && ((filemtime(_MPDF_TEMP_PATH.$file)+$interval) < time()) && ($file != "..") && ($file != ".") && (substr($file, 0, 1) !== '.') && ($file !='dummy.txt')) { // mPDF 5.7
 				unlink(_MPDF_TEMP_PATH.$file); 
 			}
 		   }
@@ -7576,7 +7592,7 @@ function _puthtmlheaders() {
 		else { $pntstr = ''; }
 		$html = str_replace($this->aliasNbPgGp,$pntstr,$html );	// {nbpg}
 		$html = str_replace($this->aliasNbPg,$nb,$html );	// {nb}
-		$html = preg_replace('/\{DATE\s+(.*?)\}/e',"date('\\1')",$html );
+		$html = preg_replace_callback('/\{DATE\s+(.*?)\}/', array($this, 'date_callback') ,$html );	// mPDF 5.7
 
 		$this->HTMLheaderPageLinks = array();
 		$this->HTMLheaderPageAnnots = array();
@@ -7602,7 +7618,7 @@ function _puthtmlheaders() {
 
 		// Writes over the page background but behind any other output on page
 		$os = preg_replace('/\\\\/','\\\\\\\\',$os);
-		$this->pages[$n] = preg_replace('/(___HEADER___MARKER'.date('jY').')/', "\n".$os."\n".'\\1', $this->pages[$n]);
+		$this->pages[$n] = preg_replace('/(___HEADER___MARKER'.$this->uniqstr.')/', "\n".$os."\n".'\\1', $this->pages[$n]);
 
 		$lks = $this->HTMLheaderPageLinks; 
 		foreach($lks AS $lk) {
@@ -7659,7 +7675,7 @@ function _puthtmlheaders() {
 		else { $pntstr = ''; }
 		$html = str_replace($this->aliasNbPgGp,$pntstr,$html );	// {nbpg}
 		$html = str_replace($this->aliasNbPg,$nb,$html );	// {nb}
-		$html = preg_replace('/\{DATE\s+(.*?)\}/e',"date('\\1')",$html );
+		$html = preg_replace_callback('/\{DATE\s+(.*?)\}/', array($this, 'date_callback') ,$html );	// mPDF 5.7
 
 
 		$this->HTMLheaderPageLinks = array();
@@ -7694,7 +7710,7 @@ function _puthtmlheaders() {
 		$os .= $this->StopTransform(true)."\n";
 		// Writes over the page background but behind any other output on page
 		$os = preg_replace('/\\\\/','\\\\\\\\',$os);
-		$this->pages[$n] = preg_replace('/(___HEADER___MARKER'.date('jY').')/', "\n".$os."\n".'\\1', $this->pages[$n]);
+		$this->pages[$n] = preg_replace('/(___HEADER___MARKER'.$this->uniqstr.')/', "\n".$os."\n".'\\1', $this->pages[$n]);
 
 		$lks = $this->HTMLheaderPageLinks; 
 		foreach($lks AS $lk) {
@@ -7876,10 +7892,10 @@ function _putpages()
 			$thispage=str_replace($this->aliasNbPgGpHex,$r,$thispage);
 
 		}
-		$thispage = preg_replace('/(\s*___BACKGROUND___PATTERNS'.date('jY').'\s*)/', " ", $thispage);
-		$thispage = preg_replace('/(\s*___HEADER___MARKER'.date('jY').'\s*)/', " ", $thispage);
-		$thispage = preg_replace('/(\s*___PAGE___START'.date('jY').'\s*)/', " ", $thispage);
-		$thispage = preg_replace('/(\s*___TABLE___BACKGROUNDS'.date('jY').'\s*)/', " ", $thispage);
+		$thispage = preg_replace('/(\s*___BACKGROUND___PATTERNS'.$this->uniqstr.'\s*)/', " ", $thispage);
+		$thispage = preg_replace('/(\s*___HEADER___MARKER'.$this->uniqstr.'\s*)/', " ", $thispage);
+		$thispage = preg_replace('/(\s*___PAGE___START'.$this->uniqstr.'\s*)/', " ", $thispage);
+		$thispage = preg_replace('/(\s*___TABLE___BACKGROUNDS'.$this->uniqstr.'\s*)/', " ", $thispage);
 
 		//Page
 		$this->_newobj();
@@ -7928,10 +7944,13 @@ function _putpages()
 		}
 
 		$annotsnum = 0;
+		$embeddedfiles = array();	// mPDF 5.7.2 /EmbeddedFiles
+
 		if (isset($this->PageLinks[$n])) { $annotsnum += count($this->PageLinks[$n]); }
 /*-- ANNOTATIONS --*/
 		if (isset($this->PageAnnots[$n])) { 
 			foreach ($this->PageAnnots[$n] as $k => $pl) {
+				if (!empty($pl['opt']['file'])) { $embeddedfiles[$annotsnum+1] = true ; }	// mPDF 5.7.2 /EmbeddedFiles
 				if (!empty($pl['opt']['popup']) || !empty($pl['opt']['file'])) { $annotsnum += 2 ; }
 				else { $annotsnum++; }
 				$this->PageAnnots[$n][$k]['pageobj'] = $this->n;
@@ -7952,7 +7971,7 @@ function _putpages()
 		if ($annotsnum || $formsnum) {
 			$s = '/Annots [ ';
 			for($i=0;$i<$annotsnum;$i++) { 
-				$s .= ($annotid + $i) . ' 0 R ';
+				if (!isset($embeddedfiles[$i])) { $s .= ($annotid + $i) . ' 0 R '; }	// mPDF 5.7.2 /EmbeddedFiles
 			} 
 			$annotid += $annotsnum;
 /*-- FORMS --*/
@@ -7974,7 +7993,7 @@ function _putpages()
 		$this->_putstream($p);
 		$this->_out('endobj');
 	}
-	$this->_putannots($n);
+	$this->_putannots();	// mPDF 5.7.2
 
 	//Pages root
 	$this->offsets[1]=strlen($this->buffer);
@@ -7991,7 +8010,7 @@ function _putpages()
 }
 
 
-function _putannots($n) {
+function _putannots() {	// mPDF 5.7.2
 	$filter=($this->compress) ? '/Filter /FlateDecode ' : '';
 	$nb=$this->page;
 	for($n=1;$n<=$nb;$n++)
@@ -9752,7 +9771,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 			if ($this->PDFA && !$this->PDFAauto) { $this->PDFAXwarnings[] = "JPG image may not use CMYK color space - ".$file." - (Image converted to RGB. NB This will alter the colour profile of the image.)"; }
 			$im = @imagecreatefromstring($data);
 			if ($im) {
-				$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.RAND(1,10000).'.png';
+				$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.md5($file).RAND(1,10000).'.png';
 				imageinterlace($im, false);
 				$check = @imagepng($im, $tempfile);
 				if (!$check) { return $this->_imageError($file, $firsttime, 'Error creating temporary file ('.$tempfile.') whilst using GD library to parse JPG(CMYK) image'); }
@@ -9857,7 +9876,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 			$w = imagesx($im);
 			$h = imagesy($im);
 			if ($im) {
-			   $tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.RAND(1,10000).'.png';
+			   $tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.md5($file).RAND(1,10000).'.png';
 			   // Alpha channel set
 			   if ($pngalpha) {
 				if ($this->PDFA) { $this->Error("PDFA1-b does not permit images with alpha channel transparency (".$file.")."); }
@@ -9865,24 +9884,18 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 				// generate gray scale pallete
 				for ($c = 0; $c < 256; ++$c) { ImageColorAllocate($imgalpha, $c, $c, $c); }
 				// extract alpha channel
-				$gammacorr = 2.2;	// gamma correction
 				for ($xpx = 0; $xpx < $w; ++$xpx) {
 					for ($ypx = 0; $ypx < $h; ++$ypx) {
-						//$colorindex = imagecolorat($im, $xpx, $ypx);
-						//$col = imagecolorsforindex($im, $colorindex);
-						//$gamma2 = (pow((((127 - $col['alpha']) * 255 / 127) / 255), $gammacorr) * 255);
 						$alpha = (imagecolorat($im, $xpx, $ypx) & 0x7F000000) >> 24;
+						// mPDF 5.7.2
 						if ($alpha < 127) {
-							if ($alpha==0) { $gamma = 255; }
-							else
-								$gamma = (pow((((127 - $alpha) * 255 / 127) / 255), $gammacorr) * 255);
-							imagesetpixel($imgalpha, $xpx, $ypx, $gamma);
+							imagesetpixel($imgalpha, $xpx, $ypx, (255-($alpha * 2)));
 						}
 					}
 				}
 				// create temp alpha file
-	 		 	$tempfile_alpha = _MPDF_TEMP_PATH.'_tempMskPNG'.RAND(1,10000).'.png';
-				if (!is_writable($tempfile_alpha)) { 
+	 		 	$tempfile_alpha = _MPDF_TEMP_PATH.'_tempMskPNG'.md5($file).RAND(1,10000).'.png';
+				if (!is_writable(_MPDF_TEMP_PATH)) { 	// mPDF 5.7.2
 					ob_start(); 
 					$check = @imagepng($imgalpha);
 					if (!$check) { return $this->_imageError($file, $firsttime, 'Error creating temporary image object whilst using GD library to parse PNG image'); }
@@ -9892,6 +9905,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 					ob_end_clean();
 					// extract image without alpha channel
 					$imgplain = imagecreatetruecolor($w, $h);
+					imagealphablending( $imgplain, false );	// mPDF 5.7.2
 					imagecopy($imgplain, $im, 0, 0, 0, 0, $w, $h);
 					// create temp image file
 					$minfo = $this->_getImage($this->_tempimglnk, false);
@@ -9918,6 +9932,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 
 					// extract image without alpha channel
 					$imgplain = imagecreatetruecolor($w, $h);
+					imagealphablending( $imgplain, false );	// mPDF 5.7.2
 					imagecopy($imgplain, $im, 0, 0, 0, 0, $w, $h);
 
 					// create temp image file
@@ -10040,7 +10055,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 		if (isset($gd['GIF Read Support']) && $gd['GIF Read Support']) {
 			$im = @imagecreatefromstring($data);
 			if ($im) {
-				$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.RAND(1,10000).'.png';
+				$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.md5($file).RAND(1,10000).'.png';
 				imagealphablending($im, false);
 				imagesavealpha($im, false); 
 				imageinterlace($im, false);
@@ -10171,7 +10186,7 @@ function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=fal
 		if (isset($gd['PNG Support']) && $gd['PNG Support']) {
 			$im = @imagecreatefromstring($data);
 			if (!$im) { return $this->_imageError($file, $firsttime, 'Error parsing image file - image type not recognised, and not supported by GD imagecreate'); }
-			$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.RAND(1,10000).'.png';
+			$tempfile = _MPDF_TEMP_PATH.'_tempImgPNG'.md5($file).RAND(1,10000).'.png';
 			imagealphablending($im, false);
 			imagesavealpha($im, false); 
 			imageinterlace($im, false);
@@ -10295,10 +10310,10 @@ function _convImage(&$data, $colspace, $targetcs, $w, $h, $dpi, $mask) {
 					$imgdata .= chr($r).chr($g).chr($b);
 				}
 				if ($mask) {
-					$col = imagecolorsforindex($im, $rgb);
-					$gammacorr = 2.2;	// gamma correction
-					$gamma = intval((pow((((127 - $col['alpha']) * 255 / 127) / 255), $gammacorr) * 255));
-					$mimgdata .= chr($gamma);
+					// mPDF 5.7.2 Gamma correction
+					$alpha = ($rgb & 0x7F000000) >> 24;
+					if ($alpha < 127) { $mimgdata .= chr(255-($alpha * 2)); }
+					else { $mimgdata .= chr(0); }
 				}
 			}
 		}
@@ -10316,7 +10331,7 @@ function _convImage(&$data, $colspace, $targetcs, $w, $h, $dpi, $mask) {
 			$minfo = array('w'=>$w,'h'=>$h,'cs'=>'DeviceGray','bpc'=>8,'f'=>'FlateDecode','data'=>$mimgdata, 'type'=>'png',
 			'parms'=>'/DecodeParms <</Colors '.$ncols.' /BitsPerComponent 8 /Columns '.$w.'>>');
 			if ($dpi) { $minfo['set-dpi'] = $dpi; }
-			$tempfile = '_tempImgPNG'.RAND(1,10000).'.png';
+			$tempfile = '_tempImgPNG'.md5($file).RAND(1,10000).'.png';
 			$imgmask = count($this->images)+1;
 			$minfo['i']=$imgmask ;
 			$this->images[$tempfile] = $minfo;
@@ -10408,7 +10423,7 @@ function file_get_contents_by_socket($url, &$data) {
 
 function _imageTypeFromString(&$data) {
 	$type = '';
-	if (substr($data, 6, 4)== 'JFIF' || substr($data, 6, 4)== 'Exif') { 
+	if (substr($data, 6, 4)== 'JFIF' || substr($data, 6, 4)== 'Exif' || substr($data, 0, 2)== chr(255).chr(216)) { // 0xFF 0xD8	// mpDF 5.7.2
 		$type = 'jpeg'; 
 	}
 	else if (substr($data, 0, 6)== "GIF87a" || substr($data, 0, 6)== "GIF89a") { 
@@ -11117,7 +11132,11 @@ function GetFullPath(&$path,$basepath='') {
 	if (!$basepath) { $basepath = $this->basepath; }
 	//Fix path value
 	$path = str_replace("\\","/",$path); //If on Windows
-	$path = preg_replace('/^\/\//','http://',$path);	// mPDF 5.6.27
+	// mPDF 5.7.2
+	if (substr($path,0,2) == "//") { 
+		$tr = parse_url($basepath);
+		$path = $tr['scheme'].':'.$path;
+	}
 	$regexp = '|^./|';	// Inadvertently corrects "./path/etc" and "//www.domain.com/etc"
 	$path = preg_replace($regexp,'',$path);
 
@@ -11138,7 +11157,10 @@ function GetFullPath(&$path,$basepath='') {
 	else if( strpos($path,":/") === false || strpos($path,":/") > 10) { //It is a Local Link
 		if (substr($path,0,1) == "/") { 
 			$tr = parse_url($basepath);
-			$root = $tr['scheme'].'://'.$tr['host'];
+			// mPDF 5.7.2
+			$root = '';
+			if (!empty($tr['scheme'])) { $root .= $tr['scheme'].'://'; }
+			$root .= $tr['host'];
 			$path = $root . $path; 
 		}
 		else { $path = $basepath . $path; }
@@ -11350,7 +11372,7 @@ function Header($content='') {
 	  if (isset($h[$side][$pos]['content']) && $h[$side][$pos]['content']) {
 		$hd = str_replace('{PAGENO}',$pgno,$h[$side][$pos]['content']);
 		$hd = str_replace($this->aliasNbPgGp,$this->nbpgPrefix.$this->aliasNbPgGp.$this->nbpgSuffix,$hd);
-		$hd = preg_replace('/\{DATE\s+(.*?)\}/e',"date('\\1')",$hd);
+		$hd = preg_replace_callback('/\{DATE\s+(.*?)\}/', array($this, 'date_callback') ,$hd);	// mPDF 5.7
 		if (isset($h[$side][$pos]['font-family']) && $h[$side][$pos]['font-family']) { $hff = $h[$side][$pos]['font-family']; }
 		else { $hff = $this->original_default_font; }
 		if (isset($h[$side][$pos]['font-size']) && $h[$side][$pos]['font-size']) { $hfsz = $h[$side][$pos]['font-size']; }
@@ -11421,10 +11443,24 @@ function Header($content='') {
 
 /*-- TABLES --*/
 function TableHeaderFooter($content='',$tablestartpage='',$tablestartcolumn ='',$horf = 'H',$level, $firstSpread=true, $finalSpread=true) {
-  if(($horf=='H' || $horf=='F') && !empty($content) && !empty($content[0])) {	// mPDF 5.6.61
+  if(($horf=='H' || $horf=='F') && !empty($content)) {	// mPDF 5.7.2
 	$table = &$this->table[1][1];
-	// Advance down page by half width of top border
 
+	// mPDF 5.7.2
+	if ($horf=='F') { // Table Footer
+		$firstrow = count($table['cells']) - $table['footernrows'];
+		$lastrow = count($table['cells']) - 1;
+	}
+   	else { 	// Table Header
+		$firstrow = 0;
+		$lastrow = $table['headernrows'] - 1;
+	}
+	if(empty($content[$firstrow])) {
+		if ($this->debug) { $this->Error("&lt;tfoot&gt; must precede &lt;tbody&gt; in a table"); }
+		else { return; }
+	}
+
+	// Advance down page by half width of top border
 	if ($horf=='H') { // Only if header
 		if ($table['borders_separate']) { $adv = $table['border_spacing_V']/2 + $table['border_details']['T']['w'] + $table['padding']['T'];  }
 		else { $adv = $table['max_cell_border_width']['T'] /2 ; }
@@ -11438,14 +11474,6 @@ function TableHeaderFooter($content='',$tablestartpage='',$tablestartcolumn ='',
 		}
 	}
 
-   if ($horf=='F') { // Table Footer
-	$firstrow = count($table['cells']) - $table['footernrows'];
-	$lastrow = count($table['cells']) - 1;
-   }
-   else { 	// Table Header
-	$firstrow = 0;
-	$lastrow = $table['headernrows'] - 1;
-   }
 
    $topy = $content[$firstrow][0]['y']-$this->y;
 
@@ -12054,7 +12082,7 @@ function _getHtmlHeight($html) {
 		$html = str_replace('{PAGENO}',$this->pagenumPrefix.$this->docPageNum($this->page).$this->pagenumSuffix,$html);
 		$html = str_replace($this->aliasNbPgGp,$this->nbpgPrefix.$this->docPageNumTotal($this->page).$this->nbpgSuffix,$html );
 		$html = str_replace($this->aliasNbPg,$this->page,$html );
-		$html = preg_replace('/\{DATE\s+(.*?)\}/e',"date('\\1')",$html );
+		$html = preg_replace_callback('/\{DATE\s+(.*?)\}/', array($this, 'date_callback') ,$html ); // mPDF 5.7
 		$this->HTMLheaderPageLinks = array();
 		$this->HTMLheaderPageAnnots = array();
 		$this->HTMLheaderPageForms = array();
@@ -12064,6 +12092,10 @@ function _getHtmlHeight($html) {
 		$this->writingHTMLheader = false;
 		$h = ($this->y - $this->margin_header);
 		$this->Reset();
+		// mPDF 5.7.2 - Clear in case Float used in Header/Footer
+		$this->blk[0]['blockContext'] = 0;
+		$this->blk[0]['float_endpos'] = 0;
+
 		$this->pageoutput[$this->page] = array();
 		$this->headerbuffer = '';
 		$this->pageBackgrounds = $savepb;
@@ -12489,7 +12521,7 @@ function Footer() {
 	  if (isset($h[$side][$pos]['content']) && $h[$side][$pos]['content']) {
 		$hd = str_replace('{PAGENO}',$pgno,$h[$side][$pos]['content']);
 		$hd = str_replace($this->aliasNbPgGp,$this->nbpgPrefix.$this->aliasNbPgGp.$this->nbpgSuffix,$hd);
-		$hd = preg_replace('/\{DATE\s+(.*?)\}/e',"date('\\1')",$hd);
+		$hd = preg_replace_callback('/\{DATE\s+(.*?)\}/', array($this, 'date_callback') ,$hd);	// mPDF 5.7
 		if (isset($h[$side][$pos]['font-family']) && $h[$side][$pos]['font-family']) { $hff = $h[$side][$pos]['font-family']; }
 		else { $hff = $this->original_default_font; }
 		if (isset($h[$side][$pos]['font-size']) && $h[$side][$pos]['font-size']) { $hfsz = $h[$side][$pos]['font-size']; }
@@ -12579,7 +12611,7 @@ function hardHyphenate($word, $maxWidth) {
 		else if ($this->FontFamily!='csymbol' && $this->FontFamily!='czapfdingbats') {
 			$p = strpos($word, "-", $offset);
 		}
-		if ($p !== false) { $poss[] = $p - count($poss); }
+		if ($p !== false) { $poss[] = $p; }	// mPDF 5.7.2
 		else { break; }
 		$offset = $p+1;
 	}
@@ -12634,7 +12666,9 @@ function softHyphenate($word, $maxWidth) {
 		else if ($this->FontFamily!='csymbol' && $this->FontFamily!='czapfdingbats') {
 			$p = strpos($word, chr(173), $offset);
 		}
-		if ($p !== false) { $poss[] = $p - count($poss); }
+		// mPDF 5.7.2
+		//if ($p !== false) { $poss[] = $p - count($poss); }
+		if ($p !== false) { $poss[] = $p; }
 		else { break; }
 		$offset = $p+1;
 	}
@@ -13049,7 +13083,8 @@ function WriteHTML($html,$sub=0,$init=true,$close=true) {
 					$cnt += $this->SubstituteCharsMB($a, $i, $e); 
 				}
  				if ($this->biDirectional)  { 	// *RTL*
-					$e = preg_replace("/([".$this->pregRTLchars."]+)/ue", '$this->ArabJoin(stripslashes(\'\\1\'))', $e);	// *RTL*
+					// mPDF 5.7+
+					$e = preg_replace_callback("/([".$this->pregRTLchars."]+)/u", array($this, 'arabJoinPregCallback'), $e );	// *RTL*
 				}	// *RTL*
 				// Font-specific ligature substitution for Indic fonts
 				if (isset($this->CurrentFont['indic']) && $this->CurrentFont['indic']) $this->ConvertIndic($e);	// *INDIC*
@@ -13343,7 +13378,7 @@ function WriteHTML($html,$sub=0,$init=true,$close=true) {
 			if ($old_page != $new_page) {
 				$s = $this->PrintPageBackgrounds();
 				// Writes after the marker so not overwritten later by page background etc.
-				$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+				$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 				$this->pageBackgrounds = array();
 				$this->page = $new_page;
 				$this->ResetMargins();
@@ -14426,7 +14461,7 @@ function ClearFloats($clear, $blklvl=0) {
 	if ($old_page != $new_page) {
 		$s = $this->PrintPageBackgrounds();
 		// Writes after the marker so not overwritten later by page background etc.
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 		$this->pageBackgrounds = array();
 		$this->page = $new_page;
 	}
@@ -14924,8 +14959,8 @@ function OpenTag($tag,$attr)
 		if (strpos($size,',')) { $size = explode(',',$size); }
 	} 
 	else { $size = 'D'; }
-	if (isset($attr['POS']) && $attr['POS']) { 
-		$pos = $attr['POS']; 
+	if (isset($attr['POSITION']) && $attr['POSITION']) {  	// mPDF 5.7.2
+		$pos = $attr['POSITION']; 
 		if (strpos($pos,',')) { $pos = explode(',',$pos); }
 	} 
 	else { $pos = 'P'; }
@@ -15273,7 +15308,7 @@ function OpenTag($tag,$attr)
 		$this->meter = new meter();
 		$svg = $this->meter->makeSVG(strtolower($tag), $type, $value, $max, $min, $optimum, $low, $high);
 		//Save to local file
-		$srcpath= _MPDF_TEMP_PATH.'_tempSVG'.RAND(1,10000).'_'.strtolower($tag).'.svg';
+		$srcpath= _MPDF_TEMP_PATH.'_tempSVG'.uniqid(rand(1,100000),true).'_'.strtolower($tag).'.svg';
 		file_put_contents($srcpath, $svg);
 		$orig_srcpath = $srcpath;
 		$this->GetFullPath($srcpath); 
@@ -17111,7 +17146,7 @@ function OpenTag($tag,$attr)
 	if ($this->cacheTables) {
 		$this->packTableData = true;	// required for cacheTables
 		$this->simpleTables = false;  // Cannot co-exist with cacheTables
-		$table['cache'] = _MPDF_TEMP_PATH.'_tempTblCache'.RAND(1,1000000).'.dat';
+		$table['cache'] = _MPDF_TEMP_PATH.'_tempTblCache'.uniqid(rand(1,100000),true).'.dat';
 		$fh = fopen($table['cache'] , "wb") or $this->Error("When using cacheTables, you must have read/write access to cache files (".$table['cache'] .")");
 		fwrite($fh, "\x00");
 		fclose($fh);
@@ -18237,10 +18272,7 @@ function OpenTag($tag,$attr)
 
 function _getListStyle($ls) {
  	if (stristr($ls,'decimal')) { return '1'; }
-/*  CSS3 list-styles numeric (selected) + I added tamil
-arabic-indic | bengali | devanagari | gujarati | gurmukhi | kannada | malayalam | oriya | persian | telugu | thai | urdu 
-*/
-	else if (preg_match('/(disc|circle|square|arabic-indic|bengali|devanagari|gujarati|gurmukhi|kannada|malayalam|oriya|persian|tamil|telugu|thai|urdu)/i',$ls,$m)) { 
+	else if (preg_match('/(disc|circle|square|arabic-indic|bengali|devanagari|gujarati|gurmukhi|kannada|malayalam|oriya|persian|tamil|telugu|thai|urdu|cambodian|khmer|lao)/i',$ls,$m)) { 
 		return strtolower(trim($m[1])); 
 	}
 	else if (stristr($ls,'lower-roman')) { return 'i'; }
@@ -18470,7 +18502,7 @@ function CloseTag($tag)
 		if ($old_page != $new_page) {
 			$s = $this->PrintPageBackgrounds();
 			// Writes after the marker so not overwritten later by page background etc.
-			$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+			$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 			$this->pageBackgrounds = array();
 			$this->page = $new_page;
 			$this->ResetMargins();
@@ -18529,7 +18561,7 @@ function CloseTag($tag)
 		// If width not set, here would need to adjust and output buffer
 		$s = $this->PrintPageBackgrounds();
 		// Writes after the marker so not overwritten later by page background etc.
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 		$this->pageBackgrounds = array();
 		$this->Reset();
 		$this->pageoutput[$this->page] = array();
@@ -18561,7 +18593,7 @@ function CloseTag($tag)
 		// If width not set, here would need to adjust and output buffer
 		$s = $this->PrintPageBackgrounds();
 		// Writes after the marker so not overwritten later by page background etc.
-		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+		$this->pages[$this->page] = preg_replace('/(___BACKGROUND___PATTERNS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
 		$this->pageBackgrounds = array();
 		$this->Reset();
 		$this->pageoutput[$this->page] = array();
@@ -19834,6 +19866,19 @@ arabic-indic | bengali | cambodian | devanagari | gujarati | gurmukhi | kannada
 		  $list_item_marker = $rnum . $this->list_number_suffix; 
   	        $blt_width = $this->GetStringWidth(str_repeat($this->dec2other(5, $cp),strlen($maxnum)).$this->list_number_suffix);
 		  break;
+          case 'khmer':
+          case 'cambodian':
+		  $cp = 0x17E0;
+		  $rnum = $this->dec2other($num, $cp);
+		  $list_item_marker = $rnum . $this->list_number_suffix; 
+  	        $blt_width = $this->GetStringWidth(str_repeat($this->dec2other(3, $cp),strlen($maxnum)).$this->list_number_suffix);
+		  break;
+          case 'lao':
+		  $cp = 0x0ED0;
+		  $rnum = $this->dec2other($num, $cp);
+		  $list_item_marker = $rnum . $this->list_number_suffix; 
+  	        $blt_width = $this->GetStringWidth(str_repeat($this->dec2other(6, $cp),strlen($maxnum)).$this->list_number_suffix);
+		  break;
 	    default:
 		  if ($this->listDir == 'rtl') { $list_item_marker = $this->list_number_suffix . $num; }
 		  else { $list_item_marker = $num . $this->list_number_suffix; }
@@ -20643,10 +20688,10 @@ function _setBorderLine($b, $k=1) {
 	$this->SetLineWidth($b['w']/$k);
 	$this->SetDColor($b['c']);
 	if ($b['c'][0]==5) {	// RGBa
-		$this->SetAlpha($b['c'][4], 'Normal', false, 'S')."\n";
+		$this->SetAlpha(ord($b['c'][4])/100, 'Normal', false, 'S')."\n";	// mPDF 5.7.2
 	}
 	else if ($b['c'][0]==6) {	// CMYKa
-		$this->SetAlpha($b['c'][5], 'Normal', false, 'S')."\n";
+		$this->SetAlpha(ord($b['c'][5])/100, 'Normal', false, 'S')."\n";	// mPDF 5.7.2
 	}
 }
 
@@ -23767,7 +23812,7 @@ function _tableColumnWidth(&$table,$firstpass=false){
 			}
 			else {
 				$wi = $c['miw'] - $wis;
-				foreach ($list as $k) { $wc[$k]['miw'] += ($wc[$k]['miw']/$wisa)*$wi; }
+				foreach ($list as $k) { if (!isset($wc[$k]['w']) || !$wc[$k]['w']) $wc[$k]['miw'] += ($wc[$k]['miw']/$wisa)*$wi; }	// mPDF 5.7.2
 			}
 		}
 		if ($c['maw'] > $was) {
@@ -25813,7 +25858,7 @@ function _tableWrite(&$table, $split=false, $startrow=0, $startcol=0, $splitpg=0
 	  }
 	}
 
-	if ($level==1) { $this->_out('___TABLE___BACKGROUNDS'.date('jY')); }
+	if ($level==1) { $this->_out('___TABLE___BACKGROUNDS'.$this->uniqstr); }
 	$tableheaderadj = 0;
 	$tablefooteradj = 0;
 
@@ -26076,12 +26121,12 @@ function _tableWrite(&$table, $split=false, $startrow=0, $startcol=0, $splitpg=0
 						if ($this->tableBackgrounds) {
 						   $s = $this->PrintTableBackgrounds();
 	   					   if ($this->bufferoutput) {
-							$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', '\\1'."\n".$s."\n", $this->headerbuffer);
-							$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', " ", $this->headerbuffer );
+							$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->headerbuffer);
+							$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', " ", $this->headerbuffer );
 						   }
 						   else {
-							$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
-							$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', " ", $this->pages[$this->page]);
+							$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+							$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', " ", $this->pages[$this->page]);
 						   }
 						   $this->tableBackgrounds = array();
 						}
@@ -26103,7 +26148,7 @@ function _tableWrite(&$table, $split=false, $startrow=0, $startcol=0, $splitpg=0
 
 						$this->AddPage($this->CurOrientation);
 
-						$this->_out('___TABLE___BACKGROUNDS'.date('jY'));
+						$this->_out('___TABLE___BACKGROUNDS'.$this->uniqstr);
 
 
 						if ($this->tableClipPath ) { $this->_out($this->tableClipPath); }
@@ -26972,16 +27017,16 @@ function _tableWrite(&$table, $split=false, $startrow=0, $startcol=0, $splitpg=0
 	if ($this->tableBackgrounds && $level == 1) {
 	   $s = $this->PrintTableBackgrounds();
 	   if ($this->table_rotate && !$this->processingHeader && !$this->processingFooter) {
-		$this->tablebuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', '\\1'."\n".$s."\n", $this->tablebuffer);
-		if ($level == 1) { $this->tablebuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', " ", $this->tablebuffer); }
+		$this->tablebuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->tablebuffer);
+		if ($level == 1) { $this->tablebuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', " ", $this->tablebuffer); }
 	   }
 	   else if ($this->bufferoutput) {
-		$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', '\\1'."\n".$s."\n", $this->headerbuffer);
-		if ($level == 1) { $this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', " ", $this->headerbuffer ); }
+		$this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->headerbuffer);
+		if ($level == 1) { $this->headerbuffer = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', " ", $this->headerbuffer ); }
 	   }
 	   else {
-		$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
-		if ($level == 1) { $this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.date('jY').')/', " ", $this->pages[$this->page]); }
+		$this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', '\\1'."\n".$s."\n", $this->pages[$this->page]);
+		if ($level == 1) { $this->pages[$this->page] = preg_replace('/(___TABLE___BACKGROUNDS'.$this->uniqstr.')/', " ", $this->pages[$this->page]); }
 	   }
 	   $this->tableBackgrounds = array();
 	}
@@ -28108,14 +28153,9 @@ function TOCpagebreak($tocfont='', $tocfontsize='', $tocindent='', $TOCusePaging
 }
 
 function TOC_Entry($txt, $level=0, $toc_id=0) {
-		$txt = $this->purify_utf8_text($txt);
-		if ($this->text_input_as_HTML) {
-			$txt = $this->all_entities_to_utf8($txt);
-		}
-		if ($this->usingCoreFont) { $txt = mb_convert_encoding($txt,$this->mb_enc,'UTF-8'); }
+		// mPDF 5.7.2
   		if ($this->ColActive) { $ily = $this->y0; } else { $ily = $this->y; }	// use top of columns
 
-		// mPDF 5.6.19  mPDF 5.6.25	mPDF 5.6.37
 		if (!class_exists('tocontents', false)) { include(_MPDF_PATH.'classes/tocontents.php'); }
 		if (empty($this->tocontents)) { $this->tocontents = new tocontents($this); }
 		$linkn = $this->AddLink();
@@ -28130,7 +28170,7 @@ function TOC_Entry($txt, $level=0, $toc_id=0) {
 
 /*-- RTL --*/
   		if ($this->biDirectional)  {
-			$txt = preg_replace("/([".$this->pregRTLchars."]+)/ue", '$this->ArabJoin(stripslashes(\'\\1\'))', $txt );
+			$txt = preg_replace_callback("/([".$this->pregRTLchars."]+)/u", array($this, 'arabJoinPregCallback'), $txt );	// mPDF 5.7+
 		}
 /*-- END RTL --*/
 		if (strtoupper($toc_id)=='ALL') { $toc_id = '_mpdf_all'; }
@@ -28556,7 +28596,7 @@ function IndexEntry($txt, $xref='') {
 		if ($this->keep_block_together) {
 			if (isset($this->ktReference[$i]['t']) && $this->ktReference[$i]['t']==$txt){
 				$Present=1;
-				if (!in_array($this->page,$this->ktReference[$i]['p'])) {
+				if ($this->page != $this->ktReference[$i]['op']) {	// mPDF 5.7.2
 					$this->ktReference[$i]['op'] = $this->page;
 				}
 			}
@@ -28565,7 +28605,7 @@ function IndexEntry($txt, $xref='') {
 		else if ($this->table_rotate) {
 			if (isset($this->tbrot_Reference[$i]['t']) && $this->tbrot_Reference[$i]['t']==$txt){
 				$Present=1;
-				if (!in_array($this->page,$this->tbrot_Reference[$i]['p'])) {
+				if ($this->page != $this->tbrot_Reference[$i]['op']) {	// mPDF 5.7.2
 					$this->tbrot_Reference[$i]['op'] = $this->page;
 				}
 			}
@@ -28573,7 +28613,7 @@ function IndexEntry($txt, $xref='') {
 		else if ($this->kwt) {
 			if (isset($this->kwt_Reference[$i]['t']) && $this->kwt_Reference[$i]['t']==$txt){
 				$Present=1;
-				if (!in_array($this->page,$this->kwt_Reference[$i]['p'])) {
+				if ($this->page != $this->kwt_Reference[$i]['op']) {	// mPDF 5.7.2
 					$this->kwt_Reference[$i]['op'] = $this->page;
 				}
 			}
@@ -28583,7 +28623,7 @@ function IndexEntry($txt, $xref='') {
 		else if ($this->ColActive) {
 			if (isset($this->col_Reference[$i]['t']) && $this->col_Reference[$i]['t']==$txt){
 				$Present=1;
-				if (!in_array($this->page,$this->col_Reference[$i]['p'])) {
+				if ($this->page != $this->col_Reference[$i]['op']) {	// mPDF 5.7.2
 					$this->col_Reference[$i]['op'] = $this->page;
 				}
 			}
@@ -28719,7 +28759,7 @@ function CreateIndex($NbCol=1, $reffontsize='', $linespacing='', $offset=3, $use
 /*-- RTL --*/
 			// Change Arabic + Persian. to Presentation Forms
    			if ($this->biDirectional)  {
-				$this->Reference[$i]['t'] = preg_replace("/([".$this->pregRTLchars."]+)/ue", '$this->ArabJoin(stripslashes(\'\\1\'))', $this->Reference[$i]['t'] );
+				$this->Reference[$i]['t'] = preg_replace_callback("/([".$this->pregRTLchars."]+)/u", array($this, 'arabJoinPregCallback'), $this->Reference[$i]['t'] );	// mPDF 5.7+
 			}
 /*-- END RTL --*/
 
@@ -29002,7 +29042,7 @@ function NewColumn() {
 
 function printcolumnbuffer() {
    // Columns ended (but page not ended) -> try to match all columns - unless disabled by using a custom column-break
-   if (!$this->ColActive && $this->ColumnAdjust && !$this->keepColumns) {
+   if (!$this->ColActive && $this->ColumnAdjust && !$this->keepColumns) {	// mPDF 5.7.2
 	// Calculate adjustment to add to each column to calculate rel_y value
 	$this->ColDetails[0]['add_y'] = 0;
 	$last_col = 0;
@@ -29106,12 +29146,14 @@ function printcolumnbuffer() {
 		$yadj = ($s['rel_y'] - $s['y']) - ($last_col_bottom)+$this->y0;
 		// callback function
 		$t = $s['s'];
-		$t = preg_replace('/BT (\d+\.\d\d+) (\d+\.\d\d+) Td/e',"\$this->columnAdjustAdd('Td',_MPDFK,$xadj,$yadj,'\\1','\\2')",$t);
-		$t = preg_replace('/(\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) ([\-]{0,1}\d+\.\d\d+) re/e',"\$this->columnAdjustAdd('re',_MPDFK,$xadj,$yadj,'\\1','\\2','\\3','\\4')",$t);
-		$t = preg_replace('/(\d+\.\d\d+) (\d+\.\d\d+) l/e',"\$this->columnAdjustAdd('l',_MPDFK,$xadj,$yadj,'\\1','\\2')",$t);
-		$t = preg_replace('/q (\d+\.\d\d+) 0 0 (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) cm \/(I|FO)/e',"\$this->columnAdjustAdd('img',_MPDFK,$xadj,$yadj,'\\1','\\2','\\3','\\4','\\5')",$t); 
-		$t = preg_replace('/(\d+\.\d\d+) (\d+\.\d\d+) m/e',"\$this->columnAdjustAdd('draw',_MPDFK,$xadj,$yadj,'\\1','\\2')",$t);
-		$t = preg_replace('/(\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) c/e',"\$this->columnAdjustAdd('bezier',_MPDFK,$xadj,$yadj,'\\1','\\2','\\3','\\4','\\5','\\6')",$t);
+
+		// mPDF 5.7+
+		$t = $this->columnAdjustPregReplace('Td', $xadj, $yadj, '/BT (\d+\.\d\d+) (\d+\.\d\d+) Td/', $t);
+		$t = $this->columnAdjustPregReplace('re', $xadj, $yadj, '/(\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) ([\-]{0,1}\d+\.\d\d+) re/', $t);
+		$t = $this->columnAdjustPregReplace('l', $xadj, $yadj, '/(\d+\.\d\d+) (\d+\.\d\d+) l/', $t);
+		$t = $this->columnAdjustPregReplace('img', $xadj, $yadj, '/q (\d+\.\d\d+) 0 0 (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) cm \/(I|FO)/', $t);
+		$t = $this->columnAdjustPregReplace('draw', $xadj, $yadj, '/(\d+\.\d\d+) (\d+\.\d\d+) m/', $t);
+		$t = $this->columnAdjustPregReplace('bezier',$xadj, $yadj, '/(\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) (\d+\.\d\d+) c/', $t);
 
 		$this->columnbuffer[$key]['s'] = $t;
 		$this->columnbuffer[$key]['newcol'] = $newcolumn;
@@ -29466,6 +29508,16 @@ function printcolumnbuffer() {
    $this->breakpoints = array();
 }
 
+// mPDF 5.7+
+function columnAdjustPregReplace($type, $xadj, $yadj, $pattern, $subject) {
+	preg_match($pattern, $subject, $matches);
+	if (!isset($matches[3])) { $matches[3] = 0; }
+	if (!isset($matches[4])) { $matches[4] = 0; }
+	if (!isset($matches[5])) { $matches[5] = 0; }
+	if (!isset($matches[6])) { $matches[6] = 0; }
+	return str_replace($matches[0], $this->columnAdjustAdd($type, _MPDFK, $xadj, $yadj, $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]), $subject);
+}
+
 /*-- END COLUMNS --*/
 
 
@@ -30127,6 +30179,11 @@ function reverse_letters($str) {
 	return $this->mb_strrev($str, $this->mb_enc); 
 }
 
+// mPDF 5.7+
+function reverse_letters_preg_callback($matches) {
+	return $this->reverse_letters($matches[1]);
+}
+
 function magic_reverse_dir(&$chunk, $join=true, $dir) { 
    if ($this->usingCoreFont) { return 0; }
    if ($this->biDirectional)  {
@@ -30136,7 +30193,7 @@ function magic_reverse_dir(&$chunk, $join=true, $dir) {
 
 	// Change Arabic + Persian. to Presentation Forms
 	if ($join) {
-		$chunk = preg_replace("/([".$pregRTLchars."]+)/ue", '$this->ArabJoin(stripslashes(\'\\1\'))', $chunk );
+		$chunk = preg_replace_callback("/([".$pregRTLchars."]+)/u", array($this, 'arabJoinPregCallback'), $chunk );	// mPDF 5.7+
 	}
 	$contains_rtl = false;
 	$all_rtl = true;
@@ -30196,7 +30253,7 @@ function magic_reverse_dir(&$chunk, $join=true, $dir) {
 						}
 						else { 
 							// Reverse numerals only to RTL
-							$sbit = preg_replace("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/ue", '$this->reverse_letters(\'\\1\')', $sbit ); // mPDF 5.6.32 // mPDF 5.6.46
+							$sbit = preg_replace_callback("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/u", array($this, 'reverse_letters_preg_callback'), $sbit );	// mPDF 5.7+
 							$sbits[$sbitkey] = $sbit; 
 						}
 					}
@@ -30208,7 +30265,7 @@ function magic_reverse_dir(&$chunk, $join=true, $dir) {
 				}
 				else { 
 					// Reverse numerals only to RTL
-					$bit = preg_replace("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/ue", '$this->reverse_letters(\'\\1\')', $bit );	// mPDF 5.6.32 // mPDF 5.6.46
+					$bit = preg_replace_callback("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/u", array($this, 'reverse_letters_preg_callback'), $bit );	// mPDF 5.7+
 					$bits[$bitkey] = $bit; 
 				}
 			}
@@ -30219,7 +30276,7 @@ function magic_reverse_dir(&$chunk, $join=true, $dir) {
 		$contains_rtl = true;
 
 		// Un-Reverse numerals back to ltr
-		$chunk = preg_replace("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/ue", '$this->reverse_letters(\'\\1\')', $chunk );	// mPDF 5.6.13 // mPDF 5.6.32 // mPDF 5.6.46
+		$chunk = preg_replace_callback("/([\x{0660}-\x{066C}0-9]+[\x{0660}-\x{066C}0-9\.,:\/]*[\x{0660}-\x{066C}0-9]+)/u", array($this, 'reverse_letters_preg_callback'), $chunk );	// mPDF 5.7+
 		if ($dir == 'rtl') {
 			if ($endSpace) { $chunk = ' '.$chunk; }
 			if ($initSpace) { $chunk .= ' '; }
@@ -31193,7 +31250,7 @@ function AutoFont($html) {
 
 /*-- CJK-FONTS --*/
 		if ($this->autoFontGroups & AUTOFONT_CJK) {
-			$e = preg_replace("/([".$this->pregCJKchars.$extra."]*[".$this->pregCJKchars."][".$this->pregCJKchars.$extra."]*)/ue", '$this->replaceCJK(stripslashes(\'\\1\'))', $e);
+			$e = preg_replace_callback("/([".$this->pregCJKchars .$extra."]*[".$this->pregCJKchars ."][".$this->pregCJKchars .$extra."]*)/u", array($this, 'replaceCJKPregCallback'), $e );	// mPDF 5.7+
 		}
 /*-- END CJK-FONTS --*/
 
@@ -31202,7 +31259,7 @@ function AutoFont($html) {
 			// HEBREW
 			$e = preg_replace("/([".$this->pregHEBchars .$extra."]*[".$this->pregHEBchars ."][".$this->pregHEBchars .$extra."]*)/u", "\xef\xbf\xb0span lang=\"he\"\xef\xbf\xb1\\1\xef\xbf\xb0/span\xef\xbf\xb1", $e); 
 			// All Arabic
-			$e = preg_replace("/([".$this->pregARABICchars .$extra."]*[".$this->pregARABICchars ."][".$this->pregARABICchars .$extra."]*)/ue", '$this->replaceArabic(stripslashes(\'\\1\'))', $e);
+			$e = preg_replace_callback("/([".$this->pregARABICchars .$extra."]*[".$this->pregARABICchars ."][".$this->pregARABICchars .$extra."]*)/u", array($this, 'replaceArabicPregCallback'), $e );	// mPDF 5.7+
 		}
 /*-- END RTL --*/
 
@@ -31279,6 +31336,11 @@ function replaceCJK($str) {
 	}
 	return $str;
 }
+
+// mPDF 5.7+
+function replaceCJKPregCallback($matches) {
+	return $this->replaceCJK(stripslashes($matches[1]));
+}
 /*-- END CJK-FONTS --*/
 
 /*-- RTL --*/
@@ -31318,6 +31380,11 @@ function replaceArabic($str) {
 	return $str;
 }
 
+// mPDF 5.7+
+function replaceArabicPregCallback($matches) {
+	return $this->replaceArabic(stripslashes($matches[1]));
+}
+
 // ARABIC ===========================
 // mPDF 5.4.08
 function InitArabic() {
@@ -31616,6 +31683,11 @@ function ArabJoin($str) {
 	return $s;
 }
 
+// mPDF 5.7+
+function arabJoinPregCallback($matches) {
+	return $this->ArabJoin(stripslashes($matches[1]));
+}
+
 // mPDF 5.4.08
 function get_arab_glyphs($char, $type) {
 	if ($type>0 && isset($this->arabGlyphs[$char])) {
@@ -32061,7 +32133,7 @@ function AdjustHTML($html, $tabSpaces=8) {
 	preg_match_all("/(<svg.*?<\/svg>)/si", $html, $svgi);
 	if (count($svgi[0])) { 
 		for($i=0;$i<count($svgi[0]);$i++) {
-			$file = _MPDF_TEMP_PATH.'_tempSVG'.RAND(1,10000).'_'.$i.'.svg';
+			$file = _MPDF_TEMP_PATH.'_tempSVG'.uniqid(rand(1,100000),true).'_'.$i.'.svg';
 			//Save to local file
 			file_put_contents($file, $svgi[0][$i]);
 			$html = str_replace($svgi[0][$i], '<img src="'.$file.'" />', $html); 	// mPDF 5.5.18
@@ -32137,12 +32209,14 @@ function AdjustHTML($html, $tabSpaces=8) {
 	$iterator = 0;
 	while($thereispre) //Recover <pre attributes>content</pre>
 	{
-		$temp[2][$iterator] = preg_replace("/^([^\n\t]*?)\t/me", "stripslashes('\\1') . str_repeat(' ',  ( $tabSpaces - (mb_strlen(stripslashes('\\1')) % $tabSpaces))  )",$temp[2][$iterator]);
+		$temp[2][$iterator] = preg_replace('/<([^a-zA-Z_:])/','&lt;\\1',$temp[2][$iterator]);	// mPDF 5.7.2
+		$temp[2][$iterator] = preg_replace_callback("/^([^\n\t]*?)\t/m", array($this, 'tabs2spaces_callback'), $temp[2][$iterator]);	// mPDF 5.7+
 		$temp[2][$iterator] = preg_replace('/\t/',str_repeat(" ",$tabSpaces),$temp[2][$iterator]);
 
 		$temp[2][$iterator] = preg_replace('/\n/',"<br />",$temp[2][$iterator]);
 		$temp[2][$iterator] = str_replace('\\',"\\\\",$temp[2][$iterator]);
-		$html = preg_replace('#<pre(.*?)>(.*?)</pre>#si','<erp'.$temp[1][$iterator].'>'.$temp[2][$iterator].'</erp>',$html,1);
+		//$html = preg_replace('#<pre(.*?)>(.*?)</pre>#si','<erp'.$temp[1][$iterator].'>'.$temp[2][$iterator].'</erp>',$html,1);
+		$html = preg_replace('#<pre(.*?)>(.*?)</pre>#si','<erp'.$temp[1][$iterator].'>'.str_replace('$','\$',$temp[2][$iterator]).'</erp>',$html,1);	// mPDF 5.7+
 		$thereispre--;
 		$iterator++;
 	}
@@ -32170,6 +32244,14 @@ function AdjustHTML($html, $tabSpaces=8) {
 
 	return $html;
 }
+// mPDF 5.7+
+function tabs2spaces_callback($matches) {
+	return (stripslashes($matches[1]) . str_repeat(' ', $this->tabSpaces - (mb_strlen(stripslashes($matches[1])) % $this->tabSpaces)));
+}
+// mPDF 5.7+
+function date_callback($matches) {
+	return date($matches[1]);
+}
 
 /*-- LISTS --*/
 function dec2other($num, $cp) {