roff perhaps?

On May 24, 2007, at 7:55 PM, Walter Ian Kaye wrote:

> Years ago I saw some file with commands in it that all began with a  
> period.
>
> Does anyone know what that was? I've been googling tcl/tk, tex,  
> pashua, and can't seem to find any clues.
>
> Who's got a good memory? My brain hurts. lol
>