From 174674743d9a2d7361c9cd89836f8dd8651edeeb Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 10 Nov 2015 17:50:24 +0100
Subject: patch 7.4.915 Problem:    When removing from 'path' and then adding,
 a comma may go missing.             (Malcolm Rowe) Solution:   Fix the check
 for P_ONECOMMA. (closes #471)

---
 src/option.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src/option.c')

diff --git a/src/option.c b/src/option.c
index db3a197af..bc44cb2d4 100644
--- a/src/option.c
+++ b/src/option.c
@@ -4883,9 +4883,10 @@ do_set(arg, opt_flags)
 				{
 				    i = (int)STRLEN(origval);
 				    /* strip a trailing comma, would get 2 */
-				    if (comma && (flags & P_ONECOMMA) && i > 1
-					            && origval[i - 1] == ','
-						    && origval[i - 2] != '\\')
+				    if (comma && i > 1
+					  && (flags & P_ONECOMMA) == P_ONECOMMA
+					  && origval[i - 1] == ','
+					  && origval[i - 2] != '\\')
 					i--;
 				    mch_memmove(newval + i + comma, newval,
 							  STRLEN(newval) + 1);
-- 
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