append can now take additional leading arguments before the list.

* eval.c (apply_frob_args): New static function.
(apply_intrinsic): Process arguments with apply_frob_args.
(eval_init): apply_intrinsic registered differently, as a
variadic function with one mandatory arg.

* lib.c (lastcons): New function.

* lib.h (lastcons): Declared.

* txr.1: Updated append documentation.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib.h b/lib.h
index 451fe234..37282579 100644
--- a/lib.h
+++ b/lib.h
@@ -371,6 +371,7 @@ val lazy_conses(val list);
 val listref(val list, val ind);
 val *listref_l(val list, val ind);
 val *tail(val cons);
+val *lastcons(val list);
 val *ltail(val *cons);
 val pop(val *plist);
 val push(val v, val *plist);