[最佳答案] The issue is that you're trying to parse SGML with an XML tool. They're not the same. If you want to use an XML tool/language to access the data, you will probably need to convert the SGML to XML before trying to parse it. Ideally you'd either use a language/tool that supports SGML (like OmniMark) or something that can handle "XML like" data (like nokogiri from the first answer?). This can be pretty straight forward, but can get tricky at some points. Especially if you're talking abou