If an eye of ender is in the mainhand and a block is in the offhand, you can right click on a block and the eye of ender will be used and the block placed.
If an eye of ender is in the mainhand and a block is in the offhand, you can right click on a block and the eye of ender will be used and the block placed.
Unknown
(Unassigned)
Community Consensus
Minecraft 15w32a
Retrieved
Not fixed, actually a duplicate: MC-83337.