[Rivet] 2D histograms, MAC and SLC5

[Hendrik Hoeth]

Thus spake Sercan Sen (Sercan.Sen at cern.ch):

> by the way, for this example MAC works fine without setting TEXMFCNF. 

They have different default memory limits.

-- 
Journalist: "Can you explain 5 sigma as 99.999something percent?"
Fabiola G.: "Sure, that's 3*10^-7."
(after the CERN Higgs seminar, 4 July 2012)