Index: main/grid/model.lisp
===================================================================
--- main/grid/model.lisp	(revision main,55)
+++ main/grid/model.lisp	(revision main,56)
@@ -7,10 +7,10 @@
    "Returns the number of rows of data."))
 
-#|(defgeneric header-rows (grid-data)
+(defgeneric header-rows (grid-data)
   (:documentation
    "Returns the number of rows that contain header data, and may be
 considered for locking in place during scrolling operations.  Header
 rows are always at the top of the grid (from row 0).")
-  (:method (grid-data) 0))|#
+  (:method (grid-data) 0))
 
 (defgeneric columns (grid-data)