[pstricks] pstricks-add

[Herbert Voss]

hamed alsulami wrote:

> I just updated my pstricks-add.tex from 2.73 to 2.79.

current is 2.80 for the tex and 0.09 for the pro file.

> I tried the following file which is used to be working but this is what 
> i got

Seems to be a bug in the algorithm parser of pstricks-add.pro

%\psplotTangent[linecolor=red,algebraic]{6}{3}{5+(9-(x-4)^2)^0.5}
\psplotTangent[linecolor=red]{6}{3}{5 9 x 4 sub dup mul sub .5 exp add }

the PostScript notation works. We will fix it as soon as
possible.

Herbert