holder (#2470)

if (valid(caller) && (caller != player))
    return E_PERM;
endif
user = player in this.users;
if ((!user) || (this.interesting[user] == {}))
    player:tell(verb, " is used to list players who are in your login ", "watcher 
interesting list. You haven't set anyone as interesting. Use ", "@interesting  
to start your list.");
    return;
endif
this:gc_intlist(user);
if (argstr == "all")
    if (this.options[user][1])
        this.options[user][1] = 0;
        player:tell("@wwho all toggled off. Only awake people will appear ", "in 
your @wwho list.");
    else
        this.options[user][1] = 1;
        player:tell("@wwho all toggled on. Both awake and sleeping players ", "will 
appear in your @wwho list.");
    endif
    return;
endif
if (this.options[user][1])
    interesting = this.interesting[user];
else
    interesting = $set_utils:intersection(this.interesting[user], connected_players());
endif
if (interesting)
    this:add_relaying_task(task_id(), player);
    $code_utils:show_who_listing(interesting);
    this:delete_relaying_task(task_id(), player);
else
    player:tell("No interesting players are online now.");
endif
.