commit f3faeeff3fbe3bf9e30ed4461c2c8d0466966e56
Author: Peng Wu <alexepico@gmail.com>
Date:   Mon Jul 6 09:59:05 2020 +0800

    fixes lmyoslib.c

diff --git a/lua/lmyoslib.c b/lua/lmyoslib.c
index 868fc56..fc6a24b 100644
--- a/lua/lmyoslib.c
+++ b/lua/lmyoslib.c
@@ -57,7 +57,7 @@ static int getfield (lua_State *L, const char *key, int d) {
     res = (int)lua_tointeger(L, -1);
   else {
     if (d < 0)
-      return luaL_error(L, "field " LUA_QS " missing in date table", key);
+      return luaL_error(L, "field '%s' missing in date table", key);
     res = d;
   }
   lua_pop(L, 1);