Using the same search for 7.4 shows only 48 patch submitters, based on
posts to pgsql-patches ...
Aizaz Ahmed
Alvaro Herrera
Andreas Pflug
Andrew Dunstan
Barry Lind
Bertrand Petit
Bruce Momjian
Bruno Wolff
Christopher Browne
Christopher Kings-Lynne
Dave Cramer
Dennis Björklund
Fernando Nasser
Gavin Sherry
Hal Snyder
Heikki Linnakangas
Ivar
Jan Wieck
Jason Tishler
Jeroen T.
Joe Conway
Jonathan Bartlett
Josh Berkus
Josh Wilmes
Karel Zak
Kevin Brown
Kim Ho
Kris Jurka
Kurt Roeckx
Larry Rosenman
Lee Kindness
Manfred Koizar
Manfred Spraul
Michael Graff
Michael Meskes
Neil Conway
Nic Ferrier
Nigel J.
Nigel Kukard
Patrick Welche
Peter Eisentraut
Robert Treat
Roberto Mello
Rod Taylor
Ron Mayer
Sean Chittenden
Tom Lane
Troels Arvin