+/*
+=for apidoc custom_op_name
+Return the name for a given custom op. This was once used by the OP_NAME
+macro, but is no longer: it has only been kept for compatibility, and
+should not be used.
+
+=for apidoc custom_op_desc
+Return the description of a given custom op. This was once used by the
+OP_DESC macro, but is no longer: it has only been kept for
+compatibility, and should not be used.
+
+=cut
+*/
+