Mine doesn't do that:
<!DOCTYPE html>
<html lang="en" dir="ltr" class="no-js">
<head>
<meta charset="utf-8" />
<title>start [projekte]</title>
<script>(function(H){H.className=H.className.replace(/\bno-js\b/,'js')})(document.documentElement)</script>
<meta name="generator" content="DokuWiki"/>
Release rc-2020-06-09 "Hogfather" RC3