This is a list of the valid metastrings that can be used in return
   messages, request 'return' files and 'respond' returned text files.

   %TO%                   - Who the message is to
   %FROM%                 - Who the message if from
   %DATE%                 - The date of the message
   %SUBJECT%              - The subject of the message
   %WHERETO%              - The Fidonet destination
   %WHEREFROM%            - The Fidonet source
   %SITENAME%             - The name of the processing site
   %SERVER%               - The name of the processing server
   %SITEADDR%             - The Fidonet address of the site
   %UUCPADDR%             - The Fidonet address of the gate
   %ORIGTO%               - Who the message was originally to     *
   %ORIGFROM%             - Who the message was originally from   *
   %ORIGSUBJECT%          - The original subject of the message   *

   .TO.                   - Who the message is to                 .
   .FROM.                 - Who the message if from               .
   .ORIGTO.               - Who the message was originally to     .
   .ORIGFROM.             - Who the message was originally from   .

   ^TO^                   - Who the message is to                 ^
   ^FROM^                 - Who the message if from               ^
   ^ORIGTO^               - Who the message was originally to     ^
   ^ORIGFROM^             - Who the message was originally from   ^

 Notes:

 * Normally the "ORIG" values are the same as the normal to/from/subject
   except when messages are being returned or re-routed.

 . Same as normal, except replacing doing a period->underscore and a
   space->period conversion of the standard text.

 ^ Same as normal, except autocapitized versions of the standard text.
   For example: "pete rocca" becomes "Pete Rocca"