The '(' is for cross-reference authorities, and hopefully has a matching ')' somewhere.
# File lib/yadis/parsehtml.rb, line 3 def html_yadis_location(html) parser = HTMLTokenizer.new(html) # to keep track of whether or not we are in the head element in_head = false begin while el = parser.getTag('head', '/head', 'meta', 'body') # we are leaving head or have reached body, so we bail return nil if ['/head', 'body'].member?(el.tag_name) # meta needs to be in head, so we mark it in_head = true if el.tag_name == 'head' continue unless in_head if el.tag_name == 'meta' and (equiv = el.attr_hash['http-equiv']) if ['x-xrds-location','x-yadis-location'].member?(equiv.downcase) return el.attr_hash['content'] end end end rescue return nil end end