Format of Wiki renderer fields in HTML Emails for updates wrong

Issue Summary

Format of Wiki renderer fields in HTML Emails for updates is wrong

Steps to Reproduce

1. Create an Issue with this description:

   {quote}
   	h5. getting an Exception when trying to search  for "*+Gift certificate number+*"  in BO
   {quote}
   *+How to reproduce?+*
   {quote}
   #	In BO go to order Tab | Extras | Gift certificate number .
   #       Click "*+search Button+*" 
   #       now in the Filter choose "*+Gift certificate number+*" + "*+Is+*"   (eg. QFP5NLEUW45DTAUX).
   #       when get the Msg Box "Not found " press "Ok" .(see attachment)
   {quote}
   

2. Enable email to yourself and HTML for the current user
3. Edit Issue and change the line

   when get the Msg Box "Not found " press "Ok" .(see attachment)
   

   to

   when you get the Msg Box "Not found " press "Ok" .(see attachment)
   

Expected Results

An email notification is sent, showing what changed, with the HTML/Visual format intact.

Actual Results

A notification is is sent showing the wiki markup instead of the visual format:

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available