--- a/absyntax/absyntax.def	Thu Apr 03 18:29:14 2008 +0200
+++ b/absyntax/absyntax.def	Tue Apr 08 18:21:37 2008 +0200
@@ -81,6 +81,8 @@
 SYM_TOKEN(signed_real_c)
 */
 
+SYM_REF1(neg_literal_c, exp)
+
 SYM_REF2(numeric_literal_c, type, value)
 SYM_REF2(integer_literal_c, type, value)
 SYM_REF2(real_literal_c, type, value)