i saw this one time playing...

i can't remember when i saw this, but iwas playing Starbound and one of he bookshelves in the game started as an empty bookshelf, then as i filledit with books it stated to "Fill up" and now i cant remember if it was from a mod like Enhance storage, a multiplayer server that had that, or from an old mod thats not around anymore. i was plannin to make a library with thatto show some empt while the others are full. i was wondering if anyone saw somehting like this in a modded server or a vanilla server. if so tell me and ill find it. im going nuts looking all over the internet on where i saw this. heck it might of been pre 1.4 starbound.