class HTMLProofer::Element

def initialize(runner, node, base_url: nil)
  @runner = runner
  @node = node
  swap_attributes!
  @base_url = base_url
  @url = Attribute::Url.new(runner, link_attribute, base_url: base_url, source: @runner.current_source, filename: @runner.current_filename)
  @line = node.line
  @content = node.content
end