（x）html的perl xml :: libxml dom解析器的有用的cookbook示例集？

the authors of some simpler perl dom parsers for xml seem to discourage their use for mixed content in favor of XML::LibXML. so I am now beginning to learn XML::LibXML and am looking for cookbook examples of common use. think reading (x)html documents from the web and doing operations with it. (the perl cookbook 2nd edition is now 10 years old, and its coverage here is relatively weak.) I figured out that I want to start with:the authors of some simpler perl dom parsers fo