Some blocks do not show their actual name in the crafting menu.
Instead, they show something similar to tile.stoneSlab.name<
The following blocks/items have this bug:
All slabs (tile.stoneSlab.name<)
Melon Seeds (item.seedsMelon.name<)
All Dyes (item.dyePowder.name<)
Steps to Reproduce:
1. Launch Minecraft PE.
2. Open the play menu.
3. Play any survival world.
4. Open up the crafting menu through either your inventory, a crafting table or a stonecutter.
5. Notice that some blocks do not show their name correctly.
77th Duplicate of MCPE-2464, please use the search function to see if your bug has already been submitted. Currently over 61% of tickets are being closed as duplicate.