>>/9562/ 
> saging 

Possibly good idea, IF:
 >>/9572/
Archivist can work with that. 
> When I copy and paste posts from this thread into a text file for this thread the the "this post is saged" part doesn't show up in the plain text; that info only shows up in HTML captures I do of this thread.

Does this interfear with that text file in anyway. Frankly, such information doesn't come across as too important to me. 

 >>/9566/
> sage

Sage goes in email field. If you are new to such style of boards (though you could've easily just made a mistake).