bug#25502: 26.0.50; nnimap is unable to parse certain headers

[Lars Ingebrigtsen <larsi@gnus.org>]

[-- Attachment #1: imap-header.txt --]
[-- Type: text/plain, Size: 1203 bytes --]

* 42549 FETCH (UID 43075 RFC822.SIZE 41499 BODYSTRUCTURE ((("text" "plain" ("charset" "gb2312") NIL NIL "quoted-printable" 0 0 NIL NIL NIL NIL)("text" "html" ("charset" "gb2312") NIL NIL "quoted-printable" 265 6 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "----=_SAKbound_21_1755_20161129_3BA65DC0.649B16C2") NIL NIL NIL)("application" "vnd.openxmlformats-officedocument.wordprocessingml.document" ("name" {33}
½µµÍ²É¹º³É±¾¼°¹©Ó¦ÉÌ̸Åм¼ÇÉ.docx) {35}
<½µµÍ²É¹º³É±¾¼°¹©Ó¦ÉÌ̸Åм¼ÇÉ.docx> {33}
½µµÍ²É¹º³É±¾¼°¹©Ó¦ÉÌ̸Åм¼ÇÉ.docx "base64" 37498 NIL NIL NIL {33}
½µµÍ²É¹º³É±¾¼°¹©Ó¦ÉÌ̸Åм¼ÇÉ.docx) "related" ("type" "multipart/alternative" "boundary" "----=_SAKbound_21_1755_20161129_20282F59.1FFF12BF") NIL NIL NIL) BODY[HEADER.FIELDS (SUBJECT FROM DATE MESSAGE-ID REFERENCES IN-REPLY-TO XREF TO NEWSGROUPS CC)] {221}
Date: Tue, 29 Nov 2016 21:17:55 +0800
Subject: (AD)ÓÐЧ½µµÍ²É¹º¸÷Ïî³É±¾¼°Ì¸Åм¼ÇÉ
From: "ÈðÁ¢¼¯ÍÅ" <nbihbpu2425@seacycles.com>
To: <lmi@quimbies.gnus.org>
Message-ID: <SAK20161129$106D54DA.$2CB75244@seacycles.com>

)

[-- Attachment #2: Type: text/plain, Size: 478 bytes --]


The problem is in `nnimap-transform-headers', and I don't quite
understand the logic at the moment...



In GNU Emacs 26.0.50.5 (x86_64-pc-linux-gnu, GTK+ Version 3.20.9)
 of 2017-01-20 built on mouse
Repository revision: 82a5e4dc889ecbfa35374616fe9c5edfa23f4504
Windowing system distributor 'The X.Org Foundation', version 11.0.11804000
System Description:	Ubuntu 16.10


-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no