94 my $groups = do 'keyboard/altgr/groups.inc.pl';
95 $groups->{def}{''}{$_} .= ' ext' for keys %dyalogx;
96 $groups->{flag}{ext} = ['extended', 'optional operators not available in all variants'];
103 'Resulting <a href="/charset">Unicode</a> characters',
104 'of a typical <a href="/apl">APL</a> keyboard layout',
105 'derived from IBM System/360 terminals.',
106 'Usually obtained by prefixing <code>`</code> (Dyalog)',
107 'and/or pressing AltGr (APLX).',
110 'Typical IBM-derived APL keyboard layout,',
111 'as found in APLX and Dyalog implementations.',
113 image => 'keyboard/altgr/unicomp-apl.jpg',