sect = xml.css(spec)[0]
paras = sect.css('para emphasis')
auth = '<blockquote><attribution>'
- auth += paras.map{|p| p.content}.join('<?latex \newline ?>')
+ auth += paras.map{|p| p.content}.join(', <?latex \newline ?>')
auth += '</attribution><para/></blockquote>'
sect.last_element_child.after(auth)
paras.each {|i| i.parent.remove} # Remove both the 'emphasis' and its parent 'para'