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encoding/json: shows #ZgotmplZ in a custom attribute with name "data-data" but not with "data-go" #12648
I took a look this since I'm currently playing with the html/template package.
When checking the type of known attributes the html/template package removes "data-" prefixes so it can handle things like
So I'd say this works as intended. But we should at least update the documentation to state that data-* attributes and attributes with namespaces are handled as if they had no data- prefix / namespace.