# File lib/asciidoctor/converter/docbook5.rb, line 664 def common_attributes id, role = nil, reftext = nil attrs = id ? %( xml:id="#{id}") : '' attrs = %(#{attrs} role="#{role}") if role if reftext if (reftext.include? '<') && ((reftext = reftext.gsub XmlSanitizeRx, '').include? ' ') reftext = (reftext.squeeze ' ').strip end reftext = (reftext.gsub '"', '"') if reftext.include? '"' attrs = %(#{attrs} xreflabel="#{reftext}") end attrs end