macro. The patch is contributed by Patrick Welche <pw-fb@newn.cam.ac.uk>. r=wtc. git-svn-id: svn://10.0.0.236/trunk@175025 18797224-902f-48f8-a5cc-f745e15eee43
macro. The patch is contributed by Patrick Welche <pw-fb@newn.cam.ac.uk>. r=wtc. git-svn-id: svn://10.0.0.236/trunk@175025 18797224-902f-48f8-a5cc-f745e15eee43