getopts: break up help into three functions.

* lisplib.c (getopts_set_entries): Autoload for
opthelp-conventions and opthelp-types.

* stdlib/getopts.tl (opthelp): Remove incnotes parameter.
Entirely trim out the code for notes about conventions and use
of types.
(opthel-conventions, opthelp-types): New functions.
(option-base opthelp-conventions, option-base opthelp-types):
New methods.

* txr.1: Documented.

* stdlib/doc-syms.tl: Updated.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisplib.c b/lisplib.c
index f841f4c7..0f48b82e 100644
--- a/lisplib.c
+++ b/lisplib.c
@@ -483,7 +483,8 @@ static val getopts_set_entries(val dlt, val fun)
 {
   val name[] = {
     lit("opt-desc"), lit("opts"),
-    lit("opt"), lit("getopts"), lit("opthelp"), lit("define-option-struct"),
+    lit("opt"), lit("getopts"), lit("opthelp"), lit("opthelp-conventions"),
+    lit("opthelp-types"), lit("define-option-struct"),
     nil
   };
   val name_noload[] = {