From 11a4ab51f1cf236c8dbbe9c6c99d0464b37da98a Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Mon, 5 Nov 2018 10:40:01 +0100
Subject: [PATCH] Be more conservative with respect to the MSH file format
 version

---
 source/grid/grid_in.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/grid/grid_in.cc b/source/grid/grid_in.cc
index a702688427..37ba68e4ac 100644
--- a/source/grid/grid_in.cc
+++ b/source/grid/grid_in.cc
@@ -1360,7 +1360,7 @@ GridIn<dim, spacedim>::read_msh(std::istream &in)
 
       in >> version >> file_type >> data_size;
 
-      Assert(version >= 2.0, ExcNotImplemented());
+      Assert((version >= 2.0) && (version <= 4.0), ExcNotImplemented());
       gmsh_file_format = version;
       Assert(file_type == 0, ExcNotImplemented());
       Assert(data_size == sizeof(double), ExcNotImplemented());
-- 
2.39.5