func net/textproto.canonicalMIMEHeaderKey

4 uses

	net/textproto (current package)
		reader.go#L515: 		key := canonicalMIMEHeaderKey(kv[:i])
		reader.go#L606: 			return canonicalMIMEHeaderKey([]byte(s))
		reader.go#L609: 			return canonicalMIMEHeaderKey([]byte(s))
		reader.go#L635: func canonicalMIMEHeaderKey(a []byte) string {