public static function Appendix($title, $level = 0)
{
static $first = array('A', 1, 'a');
static $place = array('A', 1, 'a');
static $h = array('h3', 'h4', 'h5');
static $incr = false;
static $last = 0;
if (Paper::Div($title, $level)) {
return;
}
assert($level >= -2 && $level <= 2, "Levels must be in range 0-2.");
$diff = $level - $last;
assert($diff <= 1, "Levels may only increase by 1.");
if ($incr) {
$place[$level]++;
}
$incr = true;
if ($last < $level) {
$place[$level] = $first[$level];
}
$last = $level;
$b = '<' . $h[$level] . '>Appendix ';
$a = '</' . $h[$level] . '>';
echo "{$b}" . implode('.', array_slice($place, 0, $level + 1)) . ": {$title}{$a}";
echo PHP_EOL;
}
