Overlooked from less explicit reference sheet.
+# uppercase greek
+$rows{m}{uc $_} //= uc $rows{m}{$_} for keys %{ $rows{m} };
+
+{
%{ kbmodes(\%rows) },
mode => {
+{
%{ kbmodes(\%rows) },
mode => {
'M' => '√ maths prefix ⌥M',
$presymbol => "$rows{''}{$presymbol} symbol prefix ⌥$presymbol",
},
'M' => '√ maths prefix ⌥M',
$presymbol => "$rows{''}{$presymbol} symbol prefix ⌥$presymbol",
},
title => 'EurKEY',
category => 'latin/thirdparty/xorg',
intro => join("\n",
title => 'EurKEY',
category => 'latin/thirdparty/xorg',
intro => join("\n",