The bug is basically font problem in Minecraft that Thai (or Laos) floating characters look like they are full characters.
Steps to Reproduce:
1. Enter languages menu
2. Choose Thai (or Laos)
Fix:
Use mods or resource packs.
Linked issues
Attachments
Comments

Thank you for your report!
We're tracking this issue in MC-87751, 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
-- I am a bot. This action was performed automatically! The ticket was resolved by one of our moderators, and I left this message to give more information to you.