「@<href>{URL, TEXT}」を「TEXT\footnote{\url{URL}}」に変換する

review-ext.rb

ReVIEW::LATEXBuilder.class_eval do
  def compile_href(url, label)
    if /\A[a-z]+:/ =~ url
      if label
        #macro('href', escape_url(url), escape(label)) # original
        escape(label) + macro('footnote', macro('url', escape_url(url)))
      else
        macro('url', escape_url(url))
      end
    else
      macro('ref', url)
    end
  end
end