don't know if this is possible without major changes, https://winhelp2002.mvps.org/hosts.txt and http://winhelp2002.mvps.org/hosts.txt are both considered unique entries but actually result in the same file being processed twice.
possible to detect this?
PS. winhelp2002.mvps.org/hosts.txt can currently not be downloaded:
ERROR: The certificate of ‘winhelp2002.mvps.org’ is not trusted. ERROR: The certificate of ‘winhelp2002.mvps.org’ has expired.
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