From 9188303ab732c6b370fea39c21f4552422035806 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Wed, 20 May 2020 11:37:50 +0300
Subject: [PATCH] Simplify RFC 2047 decoding

---
 cmd/sgblog-comment-add/mail.go | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/cmd/sgblog-comment-add/mail.go b/cmd/sgblog-comment-add/mail.go
index 88d95d8..ccb35da 100644
--- a/cmd/sgblog-comment-add/mail.go
+++ b/cmd/sgblog-comment-add/mail.go
@@ -62,18 +62,10 @@ func parseEmail(msg *mail.Message) (subj string, body io.Reader, err error) {
 		err = errors.New("no Subject")
 		return
 	}
-	words := strings.Fields(subj)
-	for i, word := range words {
-		if strings.HasPrefix(word, "=?") && strings.HasSuffix(word, "?=") {
-			word, err = new(mime.WordDecoder).Decode(word)
-			if err != nil {
-				return
-			}
-			words[i] = word
-		}
+	subj, err = new(mime.WordDecoder).DecodeHeader(subj)
+	if err != nil {
+		return
 	}
-	subj = strings.Join(words, " ")
-
 	ct := msg.Header.Get(CT)
 	if ct == "" {
 		ct = "text/plain"
-- 
2.48.1