From f6d877975ba93fc9b4bee2c5d2aff88dbf9bea59 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 5 Jul 2021 17:49:02 +0200
Subject: patch 8.2.3109: check for $DISPLAY never fails

Problem:    Check for $DISPLAY never fails.
Solution:   Use eval().
---
 src/testdir/check.vim | 2 +-
 src/version.c         | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/testdir/check.vim b/src/testdir/check.vim
index 504a1928e..6d2d564fa 100644
--- a/src/testdir/check.vim
+++ b/src/testdir/check.vim
@@ -139,7 +139,7 @@ endfunc
 " Command to Check for an environment variable
 command -nargs=1 CheckEnv call CheckEnv(<f-args>)
 func CheckEnv(name)
-  if empty('$' .. a:name)
+  if empty(eval('$' .. a:name))
     throw 'Skipped: Environment variable ' .. a:name .. ' is not set'
   endif
 endfunc
diff --git a/src/version.c b/src/version.c
index 9b1ac9aa5..a36ec80cf 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3109,
 /**/
     3108,
 /**/
-- 
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