[texhax] Add a dot at the end of a sentence if not placed already

[Morten Høgholm]

On Tue, 05 Jul 2005 18:11:25 +0200, William F. Adams <wadams at atlis.com>  
wrote:

> FWIW, the last time this came up at work, we just added a period in the  
> macro and hacked the font to have a .. -> . ligature (obviously there  
> was no math in the book).

Interesting hack... Usually people just use the trick as provided by the  
AMS classes where you check \spacefactor at the end of the argument. If  
you use \frenchspacing, you need to tweek the values of course but that is  
easily done. amsgen.sty has an example.
-- 
Morten