1 files changed, 4 insertions, 1 deletions
diff --git a/dimension/grammar.rules b/dimension/grammar.rules
index 1ce3e1f..0e9d6f1 100644
--- a/dimension/grammar.rules
+++ b/dimension/grammar.rules
@@ -55,7 +55,10 @@ GLOBAL_SETTINGS_ITEMS: /* empty */ {
                      }
 ;
 
-GLOBAL_SETTINGS_ITEM: "assumed_gamma" FLOAT {
+GLOBAL_SETTINGS_ITEM: "ambient_light" COLOR {
+                      $$ = dmnsn_new_astnode1(DMNSN_AST_AMBIENT, @$, $2);
+                    }
+                    | "assumed_gamma" FLOAT {
                       dmnsn_diagnostic(@1,
                                        "WARNING: assumed_gamma not supported");
                       $$ = dmnsn_new_astnode1(DMNSN_AST_ASSUMED_GAMMA, @$, $2);