To reproduce:
Get an anvil.
Get an enchanted pickaxe.
Rename it to ✨.
You can see that the font of the enchantments isn't the default Minecraft font.
Comments 2
Cleaning up old tickets: This ticket has not been updated recently so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
Also, we'd recommend making use of the search feature before writing a new bug report, as it's very likely that the issue has been mentioned already, and you can add a vote and any new information to the main ticket.
For any queries with your account or billing, you will need to contact Mojang Customer Support directly.
For feature requests or feedback, please head over to the Minecraft Feedback Site where you can search and vote for existing topics, or add a new thread if necessary.
Quick Links:
📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki
Try this text with a paragraph break, or any other emoji, if the same font change occurs, this is actually an intended feature. This behavior is because enchantments are affected by text formatting codes, of which when associated with any non minecraft text, default to that font.