https://www.youtube.com/watch?v=-ZUlg7uKRqU&feature=youtu.be that is a video showing the glitch.
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Environment
MacOSX 10.11.6
Linked issues
duplicates 1
Comments 3
This happens because it also searches by id of blocks. And every id has minecraft: part, which has craft in it. So, craft will match all items, not only a crafting table =)
Duplicates MC-45217
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