class ReverseMarkdown::Converters::A

def convert(node, state = {})
  name  = treat_children(node, state)
  href  = node['href']
  title = extract_title(node)
  if href.to_s.empty? || name.empty?
    name
  else
    link = "[#{name}](#{href}#{title})"
    link.prepend(' ') if prepend_space?(node)
    link
  end
end

def prepend_space?(node)
  node.at_xpath("preceding::text()[1]").to_s.end_with?('!')
end