title: drupal multisite htaccess: rewrite all languages to default language on one subsite
body: <ul>
  <li><p>I have a Drupal 6 multisite, with 2 domains (www.example.com and www.domain.com), sharing some common content.</p></li>
  <li><p>The domain example.com is in three languages (EN, FR, NL). Languages are set by path prefix (/en, /fr, /nl). The other domain domain.com is just in one language (NL). </p></li>
  <li><p><strong>The problem</strong>: on many occasions domain.com is shown in the wrong language, even if no path prefix is filled in. Somehow it seems to default to EN, though it doesn't always do that - behaviour doesn't seem to be very consistent.</p></li>
  <li><p><strong>The solution</strong> (at least I hope): since I'm not a Drupal developer (I inhereted the site from a former colleague) I have no idea how to fix this in Drupal, so I thought the best way to fix it would be to add some rewrite rules to .htaccess.</p></li>
  <li><p>I'm no htaccess/regex expert either, and can't get it working. You can find my current rewrite rules below, any help or suggestions are most welcome.</p></li>
  <li><p>Some examples:</p>
  
  <ul>
  <li><code>www.domain.com/fr/some-title</code> needs to be rewritten to <code>www.domain.com/nl/some-title</code></li>
  <li><code>www.domain.com/node/1975</code> needs to be rewritten to <code>www.domain.com/nl/node/1975</code></li>
  </ul></li>
  </ul>
  
  <p>These are the rewrite rules that were already there:</p>
  
  <pre><code># Rewrite URLs of the form 'x' to the form 'index.php?q=x'.
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_URI} !=/favicon.ico
  RewriteRule ^(.*)$ index.php?q=$1 [L,QSA]
  </code></pre>
  
  <p>I tried adding this:</p>
  
  <pre><code>RewriteCond %{HTTP_HOST} ^(www.)?domain.com$ [NC]
  RewriteRule ^/(.*)$ /nl/$1
  </code></pre>
  
  <p>and would expect this just to prepend /nl/ to all paths (thus not being a full solution since <code>/fr/some-title</code> would become <code>/nl/fr/some-title</code>) - however, a quick test shows me that:</p>
  
  <ul>
  <li><code>/fr/some-title</code> is rewritten to <code>/nl/some-title</code> (which is what I need, but not what I expected)</li>
  <li><p><code>/some-title</code> is not rewritten</p></li>
  <li><p><strong>The question</strong>: any ideas what might be wrong? Or could this be caused by other (Drupal) settings? Or is there a better way to solve my problem?</p></li>
  <li><p>Just for the sake of completeness: the live website is <a href="http://www.cinemazuid.be" rel="nofollow">www.cinemazuid.be</a></p></li>
  </ul>