[texhax] overstruck gamma

[Joel Salomon]

On 11/24/05, Philip G. Ratcliffe <philipratcliffe at tiscali.it> wrote:
> Try playing with this code (the dimensions should be obvious and the use of mathchoice* makes it useable in subscripts):
>
> \newcommand\dbar{{d\mathchoice                              % dbar
>   {\makebox[0.15ex][r]{\vrule height1.30ex width.40em depth-1.23ex}}%
>   {\makebox[0.15ex][r]{\vrule height1.30ex width.40em depth-1.23ex}}%
>   {\makebox[0.03ex][r]{\vrule height0.90ex width.28em depth-0.85ex}}%
>   {\makebox[0.00ex][r]{\vrule height0.65ex width.20em depth-0.62ex}}%
>   }%
> }
>
> * This should be substituted with use of mathpalette, but I don't have time right now.
>
Can anybody walk me through this code (I'm fairly new to Τεχ) so I can
experiment sensibly with the positioning of the line?  A pointer to
the documentation of mathchoice/mathpalette might be a good place for
me to start looking — where would those be?

Thanks,
--Joel