It does not work. I tried many ways of setting the legend: 
@legend = (1,2,3);
$graph->set_legend(@legend);
$graph->set_legend(qw(foo bar baz));
$graph->set_legend('foo','bar','baz');

[download]
none of the above worked.

In reply to Re^2: GD::Graph legend only shows 1 entry by bageler
in thread GD::Graph legend only shows 1 entry by bageler

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