sub story {
  my ($source,$author) = @_;
  my $tab = 3;
  
  my @toc;
  while (my $line = <$source>) {
    chomp($line);
    if ($line =~ /^2/) {
      my ($number,$text) = split(/ /,$line,2);
      push @toc, anchor($text, { href => '#'.idify($text) });
    }
  }
  
  list($tab, 'u', \@toc, { class => 'two' });
  
  # I ran $source above, so I can't have it here! /me head desks.
  while (my $line = <$source>) {
    chomp($line);

    # If a line starts with a bracket, just print the line.
    if ($line =~ m/^</) {
      line($tab,$line);
    }

    # If a line starts with a numeral 1-6, print a heading.
    elsif ($line =~ /^[1-6]\s/) {
      my ($heading,$text) = split(/ /,$line,2);
      my $id = idify($text);
      heading($tab,$heading,$text, { id => $id });
    }

    # If a line is a break or horizontal rule, print the line in brackets.
    elsif ($line =~ /^[bh]r$/) {
      line($tab,"<$line>");
    }

    # All other lines are paragraphs.
    else {
      paragraph($tab,$line);
    }
  }

  # If I wrote a story, I want people to know I wrote it at the bottom.
  paragraph($tab,"written by $root_user", { class => 'author' }) if !$author;
}