Use null_string throughout code base.

* eval.c (load): Use null_string instead of lit("").

* lib.c (obj_init): Likewise.

* match.c (LOG_MATCH, LOG_MISMATCH, do_txeval): Likewise.

* parser.c (regex_parse, lisp_parse_impl, find_matching_syms):
Likewise.

* stream.c (do_parse_mode): Likewise.

* txr.c (sysroot_init): Likewise.
(txr_main): Replace string(L"") with null_string.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib.c b/lib.c
index 03d6cead..2f3f6603 100644
--- a/lib.c
+++ b/lib.c
@@ -13166,7 +13166,7 @@ static void obj_init(void)
 
   args_k = intern(lit("args"), keyword_package);
   nothrow_k = intern(lit("nothrow"), keyword_package);
-  colon_k = intern(lit(""), keyword_package);
+  colon_k = intern(null_string, keyword_package);
   auto_k = intern(lit("auto"), keyword_package);
   fun_k = intern(lit("fun"), keyword_package);
   wrap_k = intern(lit("wrap"), keyword_package);