If an item is renamed using an anvil, placed, then broken, and picked back up, the item reverts back to its original game based name. Ex: renamed a grey candle to “marker.” Placed “marker” on ground. Broke “marker” and picked back up. Item in inventory was then back to grey candle permanently.
Thank you for your report!
We're tracking this issue at MCPE-130804, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki