sunder2.1a/clan/
sunder2.1a/class/
sunder2.1a/class/bak/
sunder2.1a/doc/ideas/
sunder2.1a/gods/
sunder2.1a/i3/
sunder2.1a/log/
sunder2.1a/msgbase/
sunder2.1a/player/
sunder2.1a/src/o/
sunder2.1a/time/
Smaug 1.02a Intermud-3
----------------------

In i3cfg.h, in the I3SMAUG section:

Find:
   #define WIZINVIS(ch)		 (xIS_SET((ch)->act, PLR_WIZINVIS) && (ch)->pcdata->wizinvis >= this_mud->minlevel )
Change to:
   #define WIZINVIS(ch)		 (IS_SET((ch)->act, PLR_WIZINVIS) && (ch)->pcdata->wizinvis >= this_mud->minlevel )