1 files changed, 5 insertions, 0 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 92a9b6fba49..d17a43e6408 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -2839,6 +2839,11 @@ decode_mode_spec (w, c, maxwidth)
         return "*";
       return "-";
 
+    case '+':
+      if (MODIFF > current_buffer->save_modified)
+        return "*";
+      return "-";
+
     case 's':
       /* status of process */
       obj = Fget_buffer_process (Fcurrent_buffer ());