# File lib/webgen/plugins/tags/htmlmetainfo.rb, line 13
13:     def process_tag( tag, chain )
14:       cur_node = chain.last
15:       s = ""
16:       ['description', 'author', 'keywords'].each do |key|
17:          if value = cur_node.meta_info[key]
18:             value = CGI::escapeHTML(value)
19:             s += "<meta name='#{key}' content='#{value}'/>\n"
20:          end
21:       end
22:       s
23:     end