+Shiar_Sheet::Keyboard->VERSION(3.00);
+use List::Util qw( uniq max sum );
+
+my %caticon = (
+ legacy => qq{<span class=icon title="deprecated">\N{TOP HAT}</span>},
+ windows => qq{<span class=icon title="Windows">\x{1FA9F}</span>}, # \N{WINDOW}
+ macos => qq{<span class=icon title="MacOS">\N{RED APPLE}</span>},
+ xorg => qq{<span class=icon title="Xorg">\N{PENGUIN}</span>},
+);