pst-fractal: plotting fractals

PSTricks is PostScript Tricks, the documentation cannot be run
with pdftex, use the sequence latex->dvips->ps2pdf or run xelatex or lualatex.

This program can be redistributed and/or modified under the terms
of the LaTeX Project Public License Distributed from CTAN archives
in directory macros/latex/base/lppl.txt.

hvoss@tug.org