From 08e6faf7554c54a3fb941ca835c1f1e4b7e66917 Mon Sep 17 00:00:00 2001
From: mxmlnkn <mxmlnkn@github.de>
Date: Fri, 3 May 2019 10:14:26 +0200
Subject: [PATCH] add note about styling with clang-format

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 02026b8..da68185 100644
--- a/README.md
+++ b/README.md
@@ -219,3 +219,10 @@ All required tests are **OK**.
 
 The goal is to create an empty document, based on schema-defined
 default-values, recursively populated.
+
+# Contributing
+
+Before opening a pull request, please apply the coding style given in the `.clang-format` by running clang-format from the git top-level for all touched files:
+```shell
+'git' diff master --name-only | 'grep' '\.[ch]pp$' | xargs -P 3 -I{} clang-format -i {}
+```