[master] a6e99d818 Leave a note regarding coccinelle and vgz

[Nils Goroll]

commit a6e99d81845d62d3a5a49eceaaf218848b6b043a
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Mar 1 14:27:07 2021 +0100

    Leave a note regarding coccinelle and vgz
    
    in a place more likely to be noticed
    
    I also played with other spatch options to replace ``--dir .``, but they
    resulted in more clumsy shell commands.
    
    Ref a98c1489640c8098b8e6e80ebcd9831c0a7f087b

diff --git a/tools/coccinelle/README.rst b/tools/coccinelle/README.rst
index cb92f989b..99831344a 100644
--- a/tools/coccinelle/README.rst
+++ b/tools/coccinelle/README.rst
@@ -18,4 +18,7 @@ Unless noted otherwise, all patches should work when invoked as::
 The ``archive/`` directory contains patches which we used once and
 should not need again, but want to retain for reference.
 
+Do not commit any ``libvgz`` changes, as this code is manually kept in
+sync with upstream.
+
 .. _coccinelle: http://coccinelle.lip6.fr/