title: RewriteRule causes page to reload twice
body: <p>I shaped two different RewriteRules for my page:</p>
  
  <pre><code># Enable URL Rewriting
  RewriteEngine on
  
  # exclude followed stuff
  RewriteRule ^(js|img|css|favicon\.ico|image\.php|anprobe|content|libs|flash\.php|securimage)/ - [L,QSA,S=2]
  
  # conditions (REQUEST dont point @ file|dir|link)
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-F
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-l
  
  # rules
  RewriteRule ^(?!index\.php)brillen/(.*(brillen)|360|neu)/(.*)([a-zA-Z0-9]{5}-[a-zA-Z0-9]{5}(?!\.))(.*)$     /index.php/brillen/$1?art_id=$4&amp;$5&amp;%{QUERY_STRING}      [NS,QSA,L]
  RewriteRule ^(?!index\.php)(.*)$                                                            /index.php/$1                                   [NS,QSA,L]
  </code></pre>
  
  <p>... and I'm encountering a strange problem, which lies in every request causing the page internally to load twice, which leads to the problem that db actions and email dispatching are also executed twice.</p>
  
  <p>Does anyone have an idea concerning that?</p>
  
  <p>Thanks in advance!</p>
  
  <p><strong>Note 1:</strong> All requested resources are valid and available according to the browser's resource tracking.</p>
  
  <p><strong>Note 2:</strong> May the problem originate in retaining and post-processing the PATH_INFO? (/index.php/$1 => /index.php/foo/bar/...)</p>