Class attributes are not included in mailcloak

From Joomla! Documentation

Class attributes are not being included in mailcloak.

Errors reported

Versions affected

Info non-talk.png
General Information

This pertains only to Joomla! version(s):- 3.3.2

What is the cause

Bug, see GitHub PR#3956 for more information.

How to fix

Update to the latest version of 3.x which is 3.9.15.