From 951fa1819ad0e74d73e885d0ec04dd6c70f8d2f7 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 2 Jul 2016 19:20:06 +0200
Subject: patch 7.4.1982 Problem:    Viminfo file contains duplicate change
 marks. Solution:   Drop duplicate marks.

---
 src/mark.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/mark.c')

diff --git a/src/mark.c b/src/mark.c
index 264124f59..2e8fdd63f 100644
--- a/src/mark.c
+++ b/src/mark.c
@@ -1859,7 +1859,12 @@ write_viminfo_marks(FILE *fp_out)
 #ifdef FEAT_JUMPLIST
 		/* changelist positions are stored oldest first */
 		for (i = 0; i < buf->b_changelistlen; ++i)
-		    write_one_mark(fp_out, '+', &buf->b_changelist[i]);
+		{
+		    /* skip duplicates */
+		    if (i == 0 || !equalpos(buf->b_changelist[i - 1],
+							buf->b_changelist[i]))
+			write_one_mark(fp_out, '+', &buf->b_changelist[i]);
+		}
 #endif
 		for (i = 0; i < NMARKS; i++)
 		    write_one_mark(fp_out, 'a' + i, &buf->b_namedm[i]);
-- 
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