README.dev: Added a note about copyright notices.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@3984 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 11 insertions, 0 deletions

diff --git a/README.dev b/README.dev
index 2bdf30f23..45bc22629 100644
--- a/README.dev
+++ b/README.dev
@@ -38,6 +38,17 @@ a smaller set of changes. See diff(1) for more information.
 
 ===========================================================================
 
+Copyright Notices: For easier maintainability, make sure that the
+copyright notices match the regexp "Copyright.* yyyy Free Software"
+where yyyy is the year of the latest modification in the branch
+(and nothing else should match it).
+
+The latest rules for GNU software can be found here:
+
+  http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices
+
+===========================================================================
+
 To make a release (for the MPFR team):
 
   0) Generate the default thresholds on different architectures