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

Sun Oct 16 16:58:15 CEST 2005

```On Sun, Oct 16, 2005 at 02:34:14PM +0200, Uwe L?ck wrote:
> (i) Maybe \$f.\$ is the solution!? If you try it, it doesn't conform
> to that tradition as well as \$f\$.

The problem with this is that the following space is not an
inter-sentence space, it is just an interword space.

> (ii) When a sentence ends on a displayed equation, you cannot
> avoid putting a dot at its end -- inside the math environment.
> Now, on screen \$f.\$ and \$\$f.\$\$ seemed to differ with respect
> to the distance between f and dot, but \showlists shows that
> they are the same.

They are exactly the same for me, under plain TeX (I was
measuring at high zoom in xdvi).

> (Or do something like \$\$f\,.\$\$)

It would not be consistent -- the gap in \$\$f\,.\$\$ is bigger
than in \$f\$.

> However, `We arrive at \$f=0.1.\$'  isn't nice (I guess this is
> the reason for that tradition).

But again, I get the same result from both \$f=0.1.\$ and
\$f=0.1\$. -- there is no italics correction for the roman
digits.

--
Best regards,