Ceon URI Mapping v4.x

[mc12345678]

Looks like need to modify the rule from:

RewriteCond %{REQUEST_URI} !\.[a-zA-Z]{2,5}$

To:

RewriteCond %{REQUEST_URI} !\.[a-zA-Z]{2,5}$ [OR] 
RewriteCond %{REQUEST_URI} \.(html)$ [NC]