1 files changed, 7 insertions, 0 deletions

diff --git a/admin/notes/bugtracker b/admin/notes/bugtracker
index d0b7b92ecf9..a8b2b6f6ee7 100644
--- a/admin/notes/bugtracker
+++ b/admin/notes/bugtracker
@@ -180,6 +180,13 @@ retitle -2 third bug
 The negative numbers provide a way to refer to the cloned bugs (which
 will be assigned proper numbers).
 
+NB you cannot clone a merged bug.  You'd think that trying to do so
+would just give you an unmerged copy of the specified bug number, but no:
+
+http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=474742
+
+You must unmerge, clone, then re-merge.
+
 *** To set severity:
 severity 123 critical|grave|serious|important|normal|minor|wishlist