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Our sports forum users use different Three Letter Acronyms in thread titles, such as USA, NBA, NFL, AFL, NRL etc etc

If we enable Title case in "Automatically Adjust Case of Discussion Titles" it will change these acronyms to Nrl or Nba - if we enable sentence case it changes them to nrl or nba

Is it possible to have a list of words we can make exempt from the case change with this setting, and leave the exempt word as the author wrote it ?