Kanna is very good ，but i dont know how to use namespace。can you help me？

[tianbinbin]

Description:

for link in doc.css("", namespaces: [:])
for link in doc.at_css("", namespaces:"")

How can I use it？
Can you give me a more personal example？
Not just what I just suggested，All examples
thanks

Installation method:

• Carthage
• CocoaPods
• Swift Package Manager
• Manually
• other: ()

Kanna version (or commit hash):

swift --version

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