MODx htaccess for Babel

.htaccess

# MODX htaccess for BABEL (idealab settings)

RewriteEngine On
RewriteBase /

php_flag display_startup_errors on
php_flag display_errors on
php_flag html_errors on

# redirect all requests to /de/favicon.ico and /nl/favicon.ico
# to /favicon.ico
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(web|en)/favicon.ico$ favicon.ico [L,QSA]
   
# redirect all requests to /de/assets* and /nl/assets* to /assets*
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(web|en)/assets(.*)$ assets$2 [L,QSA]
  
# redirect all other requests to /de/* and /nl/*
# to index.php and set the cultureKey parameter
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(web|en)?/?(.*)$ index.php?cultureKey=$1&q=$2 [L,QSA]

php_flag zlib.output_compression On
php_value zlib.output_compression_level 5

gateway.php

<?php
            if($modx->context->get('key') != "mgr"){
                /* grab the current langauge from the cultureKey request var */
                switch ($_REQUEST['cultureKey']) {
                    case 'en':
                        /* switch the context */
                        $modx->switchContext('en');
                        break;                    
                    default:
                        /* Set the default context here */
                        $modx->switchContext('web');
                        break;
                }
                /* unset GET var to avoid
                 * appending cultureKey=xy to URLs by other components */
                unset($_GET['cultureKey']);
            }
        ?>

Hi, is this htaccess example are right for the new htaccess file from modx 2.6.X ?
https://github.com/modxcms/revolution/blob/2.x/ht.access
Which part of the code we need to comment/uncomment ?