&lt;p&gt;You can use the mark tag to &lt;mark&gt;highlight&lt;/mark&gt; text.&lt;/p&gt;
&lt;p&gt;&lt;del&gt;This line of text is meant to be treated as deleted text.&lt;/del&gt;&lt;/p&gt;
&lt;p&gt;&lt;s&gt;This line of text is meant to be treated as no longer accurate.&lt;/s&gt;&lt;/p&gt;
&lt;p&gt;&lt;ins&gt;This line of text is meant to be treated as an addition to the document.&lt;/ins&gt;&lt;/p&gt;
&lt;p&gt;&lt;u&gt;This line of text will render as underlined&lt;/u&gt;&lt;/p&gt;
&lt;p&gt;&lt;small&gt;This line of text is meant to be treated as fine print.&lt;/small&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;This line rendered as bold text.&lt;/strong&gt;&lt;/p&gt;
&lt;p&gt;&lt;em&gt;This line rendered as italicized text.&lt;/em&gt;&lt;/p&gt;