(=>gt): Use `=+>gt' instead of `=>>gt' as the mother.
                  mother        =>>>gt))
   (define-charset-alias '<=>gt '=>>gt)
   (define-charset-alias '<==>gt '=>>gt)
+  (make-charset '=+>gt
+               "GT 2000 unified abstract glyphs"
+               '(long-name     "Unified abstract GT glyphs"
+                 chars         256
+                 dimension     3
+                 columns       2
+                 graphic       2
+                 direction     l2r
+                 mother        =>>gt))
   (make-charset '=>gt
                "GT 2000 abstract characters"
                '(long-name     "abstract GT characters"
                  columns       2
                  graphic       2
                  direction     l2r
-                 mother        =>>gt))
+                 mother        =+>gt))
   (make-charset '=gt-k
                "Ideographic components of GT"
                `(long-name     "GT components"