1 files changed, 3 insertions, 0 deletions
diff --git a/options.h b/options.h
index 1770bc8..c6d4e47 100644
--- a/options.h
+++ b/options.h
@@ -150,6 +150,9 @@ struct options
 # define MODE_SERVER         1
   int mode;
 
+  /* enable forward compatibility for post-2.1 features */
+  bool forward_compatible;
+
   /* persist parms */
   bool persist_config;
   int persist_mode;