html: properly handle unicode attribute dup detection When checking if an attribute is a duplicate, only lowercase ASCII characters, ignoring unicode. Change-Id: I62646c41fc47c674dec274737fa1198c8b63816d Reviewed-on: https://go-review.googlesource.com/c/net/+/782260 Auto-Submit: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Nicholas Husin <husin@google.com> Reviewed-by: Nicholas Husin <nsh@golang.org>
This repository holds supplementary Go networking packages.
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