!!! Overview 
From what we can tell this is the same as [1.3.6.1.4.1.1466.115.121.1.15] 

!! Uses [{$pagename}] vs [Directory String|DirectoryString] with the same OID [1.3.6.1.4.1.1466.115.121.1.15] 
* [CA Directory] uses [{$pagename}].
* [EDirectory] uses [{$pagename}] 

!! More Information 
There might be more information for this subject on one of the following: 
[{ReferringPagesPlugin before='*' after='\n' }]