From dc2b81074350d0e0187108cc243c95f27fb5cbe6 Mon Sep 17 00:00:00 2001
From: Hendrik Kleinwaechter <hendrik.kleinwaechter@gmail.com>
Date: Mon, 10 Jul 2023 18:20:55 +0200
Subject: [PATCH] Add biber version to version output

---
 book/makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/book/makefile b/book/makefile
index 7b5d702..aca79e4 100644
--- a/book/makefile
+++ b/book/makefile
@@ -250,6 +250,8 @@ show_tools_version:  # Show version of tools used on the build machine
 	@echo ""
 	- make --version
 	@echo ""
+	- biber -version
+	@echo ""
 
 # You can find the value of variable X with the following command:
 # make print-X