diff --git a/htdocs/includes/mike42/escpos-php/.gitignore b/htdocs/includes/mike42/escpos-php/.gitignore
index 8632f891ad4..e7dd4b6263a 100644
--- a/htdocs/includes/mike42/escpos-php/.gitignore
+++ b/htdocs/includes/mike42/escpos-php/.gitignore
@@ -14,3 +14,5 @@ vendor/
 # other build files
 build/*
 *.phar
+/example/
+/test/
diff --git a/htdocs/includes/mike42/escpos-php/autoload.php b/htdocs/includes/mike42/escpos-php/autoload.php
index 47ed7d9e9c3..7779486b824 100644
--- a/htdocs/includes/mike42/escpos-php/autoload.php
+++ b/htdocs/includes/mike42/escpos-php/autoload.php
@@ -1,26 +1,26 @@
 <?php
 /**
  * Users who do not have 'composer' to manage dependencies, include this
- * file to provide auto-loading of the classes in this library.
+ * file to provide auto-loading of the classes in this library. 
  */
-spl_autoload_register( function ($class) {
+spl_autoload_register ( function ($class) {
 	/*
 	 * PSR-4 autoloader, based on PHP Framework Interop Group snippet (Under MIT License.)
 	 * https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader-examples.md
 	 */
 	$prefix = "Mike42\\";
 	$base_dir = __DIR__ . "/src/Mike42/";
-
+	
 	/* Only continue for classes in this namespace */
-	$len = strlen($prefix);
-	if (strncmp($prefix, $class, $len) !== 0) {
+	$len = strlen ( $prefix );
+	if (strncmp ( $prefix, $class, $len ) !== 0) {
 		return;
 	}
-
+	
 	/* Require the file if it exists */
-	$relative_class = substr($class, $len);
-	$file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
-	if (file_exists($file)) {
+	$relative_class = substr ( $class, $len );
+	$file = $base_dir . str_replace ( '\\', '/', $relative_class ) . '.php';
+	if (file_exists ( $file )) {
 		require $file;
 	}
 } );
diff --git a/htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/CupsPrintConnector.php b/htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/CupsPrintConnector.php
index 64b48332199..045e8b9ce4c 100644
--- a/htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/CupsPrintConnector.php
+++ b/htdocs/includes/mike42/escpos-php/src/Mike42/Escpos/PrintConnectors/CupsPrintConnector.php
@@ -78,7 +78,7 @@ class CupsPrintConnector implements PrintConnector
         
         // Build command to work on data
         $tmpfname = tempnam(sys_get_temp_dir(), 'print-');
-		if ($tmpfname==false) dol_syslog("CupsPrintConnector.php::Permission denied to write into target directory ".sys_get_temp_dir(), LOG_WARNING);
+        if ($tmpfname==false) dol_syslog("CupsPrintConnector.php::Permission denied to write into target directory ".sys_get_temp_dir(), LOG_WARNING);
         file_put_contents($tmpfname, $data);
         $cmd = sprintf(
             "lp -d %s %s",