In
\starttext
\startTEXpage
\startlua
metapost.process("metafun",{"beginfig(1);",
"a=.7in; b=0.5in;",
"z0=(0,0); z1=(a,0); z2=(0,b);",
"z0=.5[z1,z3]=.5[z2,z4];",
"draw z1..z2..z3..z4..cycle;",
"drawarrow z0..z1;",
"drawarrow z0..z2;",
"label.top(btex $a$ etex, .5[z0,z1]);",
"label.lft(btex $b$ etex, .5[z0,z2]);",
"endfig;"})
\stoplua
\stopTEXpage
\stoptext
there are no labels, but I believe that it's wrong.
--
luigi
it's new .
it's powerful .
it's luatex .
http://www.luatex.org
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