I was renaming books in creative with anvils just for testing the bugs. The first bug I found was this one. Here is how I done it:
1-Get one Book and Quill from Creative Menu
2-Put it at anvil and rename it
3-Open it
After that, you can't write on the book. You can only write on the book after going to another page and return back.
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Duplicate of MC-1685, please use the search function to see if your bug has already been submitted. Currently over 42% of tickets are being closed as duplicate.