From a5d13d4ced6dc3f8d826233e02788b86aebb3743 Mon Sep 17 00:00:00 2001
From: Gleb Nikonorov <gleb.i.nikonorov@gmail.com>
Date: Tue, 2 Jun 2020 08:21:57 -0400
Subject: [PATCH] Add changelog entry

---
 changelog/6856.feature.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/changelog/6856.feature.rst b/changelog/6856.feature.rst
index e69de29bb..36892fa21 100644
--- a/changelog/6856.feature.rst
+++ b/changelog/6856.feature.rst
@@ -0,0 +1,3 @@
+A warning is now shown when an unknown key is read from a config INI file.
+
+The `--strict-config` flag has been added to treat these warnings as errors.