This is the revision history for format in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
15200 format is https://perldoc.pl/perlform but consider sprintf, Text::Template, Text::Table, or Perl6::Form grinnz <*:##NULL>
15199 format is simcop2387 <*:##NULL>
9253 format is http://support.microsoft.com/kb/255867 thrig <*:##NULL>