TL;DR. golang.org/x/net/idna.Lookup.ToASCII runs UTS-46 NFKC mapping 0-9. A pre-IDNA net.ParseIP check rejects the NO_PROXY lists, TLS-SNI routers, and cookie-domain validators that TrimRight + ParseAddr golang.org/x/net/http/httpproxy, the canonical safe pattern, and two I ran into this one while writing a Go HTTP client for a private project. I idna.Lookup.ToASCII canonicalising the host The sha
I remember when we met. It feels like forever ago. Was it 2003? We'd talk for hours. Deep into the night. One number press at a time. Because that's how it was back then. And we learned from each other. Tons, actually. And we both improved over the years. We both grew. A lot. But I don't think I grew into something I like. But I mean, I didn't really mean to become what I am. Just some t