From 309379fc989a4f3337c9cf3361ab6eb9a456c626 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Wed, 6 Feb 2013 16:26:26 +0100
Subject: updated for version 7.3.802 Problem:    After setting 'isk' to a
 value ending in a comma appending to the             option fails. Solution: 
  Disallow a trailing comma for 'isk' and similar options.

---
 src/charset.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/charset.c')

diff --git a/src/charset.c b/src/charset.c
index b5dcfac1b..fd4b500be 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -284,7 +284,12 @@ buf_init_chartab(buf, global)
 		}
 		++c;
 	    }
+
+	    c = *p;
 	    p = skip_to_option_part(p);
+	    if (c == ',' && *p == NUL)
+		/* Trailing comma is not allowed. */
+		return FAIL;
 	}
     }
     chartab_initialized = TRUE;
-- 
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