From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 4 Jan 2021 09:42:13 +0000 (+0100)
Subject: Fix computation of Lines in nnmaildir
X-Git-Tag: emacs-28.0.90~4399
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b2f81b7bab92109af02ec5fc2d2b721c70b97f40;p=emacs.git

Fix computation of Lines in nnmaildir

* lisp/gnus/nnmaildir.el (nnmaildir--update-nov): Lines is -1 if
it's not present; not 0 (probably) (bug#45650).
---

diff --git a/lisp/gnus/nnmaildir.el b/lisp/gnus/nnmaildir.el
index 68c31dc4510..e4fd976742c 100644
--- a/lisp/gnus/nnmaildir.el
+++ b/lisp/gnus/nnmaildir.el
@@ -494,7 +494,7 @@ This variable is set by `nnmaildir-request-article'.")
 	  (delete-char 1)
 	  (setq nov (nnheader-parse-head t)
 		field (or (mail-header-lines nov) 0)))
-	(unless (or (zerop field) (nnmaildir--param pgname 'distrust-Lines:))
+	(unless (or (<= field 0) (nnmaildir--param pgname 'distrust-Lines:))
 	  (setq nov-mid field))
 	(setq nov-mid (number-to-string nov-mid)
 	      nov-mid (concat (number-to-string attr) "\t" nov-mid))