wrong description.this book is showing its enchant. it does not have any. the bug should be:worldgen minecart w/ chests have enchanted books without storedenchant tag.
you can achieve the same thing by /give @a minecraft:enchanted_book
blocking is going to be removed for as far as i can find. in 1.9 you will have to use a shield to block.
still not fixed in 1.8.6
noooooooo now we have to make realy complicated repeater lock tool checking stick using hopper dropper systems 😞 thats realy a pain for larger randomizers. but i designed a 4choice one. wich is enough
i cant find anything about this on mojang support.