Satya Prakash

This plugin is a extension of my earlier plugin <a href="https://wordpress.org/plugins/escape-html/" rel="ugc">Escape HTML</a>. 
Many of us post code and scripts online on WordPress and for that we need to escape those codes to html entities. For posting inside WordPress, we need to escape few characters so that it appears as it is to visitors. There are few online <a href="http://www.satya-weblog.com/tools/htmlencode.php" rel="nofollow ugc">escaping tool</a> as well. This plugin save your effort to escape code manually.
The plugin – Escape HTML For Prism Syntax Highlighter – take cares of <code><</code>, <code>></code> and <code>&</code>. Without converting HTML code to HTML entities, Prism will strip off those HTML.
This plugin work when we Save or Draft a Post and it only affect those text written inside <pre><code> Affected Code </code></pre>. 
Most feed readers do not support JavaScript. So, many blog owners are using client-side syntax highlighter based on JavaScript. Prism is one just lightweight and fast Syntax Highlighter based on JavaScript.
This plugin does not require any setting. Just install and enable it. 
For more information about this plugin – <a href="http://www.satya-weblog.com/" rel="nofollow ugc">Escape HTML For Prism Syntax Highlighter</a>.

Escape HTML For Prism Syntax Highlighter

It just work. You write your code in Text Mode Editor as required by Prism Syntax Highlighter and then just Draft it of Save it. The code is converted for posting online.



It works without any extra thing for plugin use

Helpful plugin for those who post HTML/Markup using Prism. It support <pre><code class="language-xxxx"> syntax.

edik

Some WordPress functions outputs character entity references. The most of these are not allowed in XHTML. So if your WordPress installation uses the mime type ‘application/xhtml+xml’, the generated sites could have invalid xhtml code and the browser would display the syntax error page.
Convertentity converts all entity references into their corresponding characters with the exception of the references for the following characters: ‘<>&”
Theses references are the only ones which are allowed in XHTML.

Convertentity

Converts all character entity references, which are forbidden in XHTML, into their corresponding characters.

Escape HTML For Prism Syntax Highlighter vs Convertentity