Adds a table header text. In the "longest matches" article, this field allows for special parameters:
bytime - Longest match by time played
gamesno - Longest match by number of games, before the tiebreaker introduction
gamestb - Longest match by number of games, using tiebreaker scoring
games - Longest match by number of games (tiebreaker or not!)
default - if none of those values are used, the text entered in the field will be displayed.
match desc
Adds a table row above the scores. In the "longest matches" article, this is used to describe the match (year, round, number of games and/or time to play the match)