On Fri, 2010-04-23 at 10:43 -0500, Barton Willis wrote:
> (%i9) implicit_plot (x^2 = y^3 - 3*y + 1, [x, -4, 4], [y, -4, 4],
> [gnuplot_preamble, "set zeroaxis"]);
> Maxima encountered a Lisp error:
> Error in GNUPLOT-PRINT-HEADER [or a callee]: GNUPLOT-PRINT-HEADER [or
> a
> callee] requires more than one argument.
Yes, that was a known bug in release 5.20.1, which I fixed in that
release branch at the time, but there was never a 5.21.2 release to fix
it. Since implicit_plot is a share directory package, it is enough to
replace it with a new copy from the repository.
Regards,
Jaime