LibreOffice macro for formatting text as in the Tweet. May work in OpenOffice too.
https://twitter.com/WhatTheADHD/status/1527617004336820228?s=20
How to use:
Import the macro in macro management, you can import .bas or copy and paste the code into a new macro.
Versions:
V0_5 - Formats text for X letters from/since where you click, a window to type the amount of next letters to process appears when macro starts.
V0_5b - more optimised version of the V0_5.
V0_6_fullDoc - Formats text until the end of the document from/since where you click.
V0-1 - the very first test, formats text by making it uppercase instead of bolding it.