Index: bxl_gram.c
===================================================================
--- bxl_gram.c	(revision 30631)
+++ bxl_gram.c	(revision 30632)
@@ -823,7 +823,15 @@
 #line 362 "../../src_plugins/io_bxl/bxl_gram.y"
 	{ ctx->state.rot = yyctx->stack.l_mark[0].un.d; }
 break;
-#line 839 "../../src_plugins/io_bxl/bxl_gram.c"
+case 128:
+#line 383 "../../src_plugins/io_bxl/bxl_gram.y"
+	{ free(yyctx->stack.l_mark[0].un.s); }
+break;
+case 129:
+#line 384 "../../src_plugins/io_bxl/bxl_gram.y"
+	{ free(yyctx->stack.l_mark[0].un.s); }
+break;
+#line 847 "../../src_plugins/io_bxl/bxl_gram.c"
 	}
 	yyctx->stack.s_mark -= yyctx->yym;
 	yyctx->state = *yyctx->stack.s_mark;
Index: bxl_gram.y
===================================================================
--- bxl_gram.y	(revision 30631)
+++ bxl_gram.y	(revision 30632)
@@ -380,8 +380,8 @@
 	;
 
 wizard_attr:
-	  T_VARNAME T_QSTR
-	| T_VARDATA T_QSTR
+	  T_VARNAME T_QSTR      { free($2); }
+	| T_VARDATA T_QSTR      { free($2); }
 	| common_origin
 	;