[texhax] Correcting for math-mode kerning before commas and periods?

[geolsoft at mail.ru]

On Fri, Oct 14, 2005 at 06:05:26AM -0700, Alexander McCormmach wrote:
> Is there any way to define a command which, when placed either just
> before the period (or comma) or just inside the final "$", will
> un-hskip or un-kern the unwanted space that TeX is inserting?

Maybe this is what you need:

  $S\!$.

(\! is a "negative thin space").

-- 
Best regards,
Oleg Katsitadze