Can we remove idna hacks from NormalizeURLString?

[let4be]

Any idea if the fix was merged to idna package?

https://github.com/PuerkitoBio/purell/blob/master/purell.go#L166 Is this still relevant?

[mna]

I have no idea, if anyone wants to check and submit a PR if that's now taken care of, happy to merge it.

[dolmen]

Here is the direct link to the golang.org/x/net/idna package history for the next one who will investigate this: https://github.com/golang/net/commits/master/idna