Daniele Sluijters added the comment:
The link you mention only deals with the DNS side of things, this issue is
specifically not about that, it's about the URI/URL side of things which is a
very important distinction in this case.
I'm also not entirely sure I agree with the sentimen
New submission from Daniele Sluijters:
Python 2's urlparse.urlparse() and Python 3's urllib.parse.urlparse() accept
URI/URL's with underscores in the host/domain/subdomain. I believe this
behaviour to be incorrect.
A distinction needs to be made between DNS names and Uniform Re
