From e2f66064d1c643f0cf12c4791de04bb123705a0c Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 2 Nov 2021 20:24:38 +0000
Subject: [PATCH] patch 8.2.3571: some unicode control characters are
 considered printable

Problem:    Some unicode control characters are considered printable.
Solution:   Make 0x2060 - 0x2069 not printable.
---
 src/mbyte.c   | 2 +-
 src/version.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mbyte.c b/src/mbyte.c
index 76eab4e2e..759be8bd7 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -2609,7 +2609,7 @@ utf_printable(int c)
     static struct interval nonprint[] =
     {
 	{0x070f, 0x070f}, {0x180b, 0x180e}, {0x200b, 0x200f}, {0x202a, 0x202e},
-	{0x206a, 0x206f}, {0xd800, 0xdfff}, {0xfeff, 0xfeff}, {0xfff9, 0xfffb},
+	{0x2060, 0x206f}, {0xd800, 0xdfff}, {0xfeff, 0xfeff}, {0xfff9, 0xfffb},
 	{0xfffe, 0xffff}
     };
 
diff --git a/src/version.c b/src/version.c
index 2f1998026..43e861545 100644
--- a/src/version.c
+++ b/src/version.c
@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3571,
 /**/
     3570,
 /**/
-- 
2.50.1