128
@verb #2250:"invite" this none none rdo #7788
@program #2250:"invite" this none none
if (caller_perms().location == this.knocked)
  this.knocked = #-1
  caller_perms().location:has_verb("invited") ? caller_perms().location:invited(this) | 0
  this:moveto(caller_perms().location)
endif
.

0