I just wanted to ask everyone who might be interested to vote for this issue on the Minecraft JIRA issue tracker. If fixed, it would align well with a cool utility library for Sponge that I am interested in working on. Basically the issue is that you cannot go back while writing in a book and quill, thus making it so you would have to delete everything in order to edit a previously written section. If you would like to help, any votes for this would be greatly appreciated, as it will perhaps influence the priority of it being fixed.
Again, the link is: https://bugs.mojang.com/browse/MC-1578