my @headings = ({key => 'k',    name => 'Kanji',      class => 'kanji'},
                {key => 'skip', name => 'SKIP',       class => 'skip-code'},
                {key => 'co',   name => 'Suggestion', class => 'skip-code'},
                {key => 'disc', name => 'Discussion'});

##</code><code>##

my @headings = (
	{
		key => 'k', name => 'Kanji', class => 'kanji'
	},
	{
		key => 'skip', name => 'SKIP', class => 'skip-code'
	},
...
);