HTML normally answers the question of whether white space is significant or not by predefining the meaning of white space in particular elements. For instance, white space is significant inside `<pre>` and `</pre>` tags. It's not significant almost everywhere else. This means that if you want to preserve line breaks without using a monospaced font, you need to insert a lot of `<br>` tags as in this first stanza from William Blake's poem The Tyger: