attachment:test_clip.png

== h2 ==
=== h3 ===
==== h4 ====
===== h5 =====


{{{#!gnuplot
set parametric
set isosamples 50,20
set hidden
set view 40,20 ,1.7
set noborder
set nokey
set noxtics
set noytics
set noztics
set urange [-pi:pi]
set vrange [-pi:pi]
set size 0.5,0.5
splot cos(u)+.5*cos(u)*cos(v),sin(u)+.5*sin(u)*cos(v),.5*sin(v) with lines, 1+cos(u)+.5*cos(u)*cos(v),.5*sin(v),sin(u)+.5*sin(u)*cos(v) with lines
}}}
{{{#!gnuplot
plot x*x
}}}