Prism support different Syntax Highlighting syntax. For example, Code can be inside <pre class="language-xxxx">, etc.
According to Prism:
How Code looks with Prism Syntax Highlighter?
Because Prism support <pre><code class="language-xxxx"> syntax for code highlighting, I need to modify plugin code I was using for Escaping HTML/Markup. I will create new plugin for Prism for escaping markup.