From fffcdd5b86ba35b5853d781b56d993e631d58416 Mon Sep 17 00:00:00 2001
From: Johan Wigert <45201794+jwigert@users.noreply.github.com>
Date: Sun, 3 Nov 2019 16:36:03 +0100
Subject: [PATCH] Added a book on Clean ABAP (#3442)

Added the book "SAP Code Style Guides - Clean ABAP", which is an adoption of Robert C. Martin's "Clean Code" for the language ABAP. The license is CC BY 3.0.
---
 free-programming-books.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index d507149bc..9ee667e8b 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1,5 +1,6 @@
 ### Index
 
+* [ABAP](#abap)
 * [Ada](#ada)
 * [Agda](#agda)
 * [Alef](#alef)
@@ -785,6 +786,11 @@ Kerridge (PDF) (email address *requested*, not required)
 * [Mature Optimization](http://carlos.bueno.org/optimization/mature-optimization.pdf) - Carlos Bueno (PDF)
 
 
+### ABAP
+
+* [SAP Code Style Guides - Clean ABAP](https://github.com/SAP/styleguides/blob/master/clean-abap/CleanABAP.md)
+
+
 ### Ada
 
 * [A Guide to Ada for C and C++ Programmers](http://www.cs.uni.edu/~mccormic/4740/guide-c2ada.pdf) (PDF)