Here's sample code typed into the body of the answer:

Example 1: < div &lt;div style="text-align: left;"&gt;&lt;b&gt;&lt;br /&gt;>

Example 2: <html><title>Title</title></html>

Example 3:
<html>
<title>
Title
</title>
</html>

Here's sample code entered via the "add a code sample" toolbar button:

Example 1:
< div &lt;div style="text-align: left;"&gt;&lt;b&gt;&lt;br /&gt;>

Example 2:
<html><title>Title</title></html>
Example 3:
<html>
<title>
Title
</title>
</html>