# File wfo/repo/trac.rb, line 42
  def self.find_textarea_form(page, orig_charset)
    page.traverse_html_form(orig_charset) {|form|
      next unless form.input_type('save') == :submit_button
      form.each_textarea {|name, value| return form, name, 'save' }
    }
    raise "textarea not found in #{page.request_uri}"
  end