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
Last week I posted that I had no code, just the work that makes the code possible. The PRD, the prompt spec, the architecture doc, the build brief for Kiro. I went into this week thinking I had every decision pre-made. Then I started building. By Block 2, real testing surfaced a phrase the model was using that no court employee would say. "Strip identifiers" sounds reasonable to a developer. To a