Fix the website tutorial build to escape <=.
MODIFY
tutorials/build-website.js
tutorials/build-website.js
@@ -17,6 +17,7 @@ tutorials.map(function (json) {
filename: path.relative('.', path.resolve(json.dir, 'index.pug'))
});
var html = fn(json);
+ html = html.replace(/<=/g, '&lt;=').replace(/>=/g, '&gt;=');
html = `---
layout: tutorial
title: ${json.title}

Fix the website tutorial build to escape <=.