New function: delcons.

* eval.c (eval_init): Register delcons intrinsic.

* lib.[ch] (delcons): New function.

* tests/010/cons.tl: New file.

* txr.1: Documented.

* stdlib/doc-syms.tl: Updated.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib.h b/lib.h
index 76ad19b2..be62cf21 100644
--- a/lib.h
+++ b/lib.h
@@ -677,6 +677,7 @@ val split(val seq, val indices);
 val partition_star(val seq, val indices);
 val split_star(val seq, val indices);
 val tailp(val obj, val list);
+val delcons(val cons, val list);
 val memq(val obj, val list);
 val rmemq(val obj, val list);
 val memql(val obj, val list);