lib/sup/modes/line_cursor_mode.rb in sup-0.20.0 vs lib/sup/modes/line_cursor_mode.rb in sup-0.21.0

@@ -63,10 +63,10 @@
   end
 
   def set_cursor_pos p
     return if @curpos == p
     @curpos = p.clamp @cursor_top, lines
-    buffer.mark_dirty
+    buffer.mark_dirty if buffer # not sure why the buffer is gone
     set_status
   end
 
   ## override search behavior to be cursor-based. this is a stupid
   ## implementation and should be made better. TODO: improve.