diff -U4 -r geshi--orig/src/geshi/ispfpanel.php geshi--patched/src/geshi/ispfpanel.php
--- geshi--orig/src/geshi/ispfpanel.php	2019-10-20 22:54:46.000000000 +0200
+++ geshi--patched/src/geshi/ispfpanel.php	2021-07-29 20:20:13.843850648 +0200
@@ -113,11 +113,8 @@
             4 => 'color: #876C00;',
             5 => 'color: #00FF00;'
             ),
         'COMMENTS' => array(
-            0 => 'color: #002EB8; font-style: italic;',
-            //1 => 'color: #002EB8; font-style: italic;',
-            //2 => 'color: #002EB8; font-style: italic;',
             'MULTI' => 'color: #002EB8; font-style: italic;'
             ),
         'ESCAPE_CHAR' => array(
             0 => ''
diff -U4 -r geshi--orig/src/geshi/jcl.php geshi--patched/src/geshi/jcl.php
--- geshi--orig/src/geshi/jcl.php	2019-10-20 22:54:46.000000000 +0200
+++ geshi--patched/src/geshi/jcl.php	2021-07-29 20:26:39.716682750 +0200
@@ -95,11 +95,8 @@
             3 => 'color: #FF00FF;',
             4 => 'color: #876C00;'
             ),
         'COMMENTS' => array(
-            0 => 'color: #0000FF;',
-            //1 => 'color: #0000FF;',
-            //2 => 'color: #0000FF;',
             3 => 'color: #0000FF;'
             ),
         'ESCAPE_CHAR' => array(
             0 => ''
diff -U4 -r geshi--orig/src/geshi/nagios.php geshi--patched/src/geshi/nagios.php
--- geshi--orig/src/geshi/nagios.php	2019-10-20 22:54:46.000000000 +0200
+++ geshi--patched/src/geshi/nagios.php	2021-07-29 20:21:10.204264293 +0200
@@ -119,9 +119,8 @@
         'NUMBERS' => array(
             0 => ''
             ),
         'COMMENTS' => array(
-            0 => 'color: #AAAAAA; font-style: italic;',
             1 => 'color: #AAAAAA; font-style: italic;',
             2 => 'color: #AAAAAA; font-style: italic;'
             ),
         'BRACKETS' => array(
--- geshi--orig/phpunit.xml	2023-02-19 13:05:59.000000000 +0100
+++ geshi--patched/phpunit.xml	2023-04-24 12:55:44.260196886 +0200
@@ -2,10 +2,9 @@
 <phpunit backupGlobals="false"
          backupStaticAttributes="false"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         bootstrap="vendor/autoload.php">
+         convertWarningsToExceptions="true">
     <testsuites>
         <testsuite name="Test Suite">
             <directory suffix=".php">./tests/</directory>
         </testsuite>