Now as far as I am concerned, you must abuse a glitch in order to use color in chat, which is why you basically always see a dot or full stop as that is a swear word, and then color codes are used etc etc etc.

1. They must swear to perform this "glitch"
2. They are abusing a glitch to perform this "glitch"

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The second picture was an assumption from a previous report.

Additionally, another player also swore through (i believe) /minecraft:tell @a {insertsentencehere}

 

Tempbanned.

 

Thank you for the report. The reported player has been banned.
This thread as been moved to Reports - Banned.