Otherwise search engines will show the garbage of the ASCII art.
Thanks to Peter Liscovius for suggesting how to do this in PHP.
This fixes https://savannah.gnu.org/bugs/?60511.
-<?php $title="Text Editor"; include "top.php"; ?>
+<?php $title="Text Editor"; $mainpage="true"; include "top.php"; ?>
<table BORDER=0 CELLSPACING=40 WIDTH="100%">
<tr>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title><?= $title ?></title>
+ <?php if (isset($mainpage)): ?>
+ <meta name="description" content="GNU nano is a small editor for on the terminal. It supports syntax highlighting, spell checking, justifying, completion, undo/redo...">
+ <?php endif; ?>
<link rel="icon" href="/favicon.ico">
<link rel="stylesheet" href="style-dark.css" media="(prefers-color-scheme: dark)"/>
<link rel="stylesheet" href="style-light.css" media="(prefers-color-scheme: light), (prefers-color-scheme: no-preference)"/>