func golang.org/x/net/http/httpguts.ValidHostHeader

2 uses

	golang.org/x/net/http/httpguts (current package)
		httplex.go#L209: func ValidHostHeader(h string) bool {

	golang.org/x/net/internal/httpcommon
		request.go#L84: 	if !httpguts.ValidHostHeader(host) {

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