class RDoc::Markup::ToHtmlCrossref

def handle_special_CROSSREF(special)
  name = special.text
  return name if name =~ /@[\w-]+\.[\w-]/ # labels that look like emails
  unless @hyperlink_all then
    # This ensures that words entirely consisting of lowercase letters will
    # not have cross-references generated (to suppress lots of erroneous
    # cross-references to "new" in text, for instance)
    return name if name =~ /\A[a-z]*\z/
  end
  cross_reference name
end