Re: Possible bug in getfunc() in lbaselib.c (5.1.1)?

[Eric Raible <raible+lua@...>]

Seems to me that a simpler (and more correct) patch would be to
change lbaselib.c:121

from:
    int level = luaL_optint(L, 1, 1);
to:
    int level = luaL_checkint(L, 1);

- Eric