deletions | additions       diff --git a/header.tex b/header.tex  index 8e67467..61c0a13 100644  --- a/header.tex  +++ b/header.tex 
...
\newcommand{\nnbar}{\nu\bar\nu}  \newcommand{\infb}{{\rm fb}^{-1}}  \newcommand{\inab}{{\rm ab}^{-1}}  \newcommand{\ALR}{A_{\rm LR}}   \newcommand{\sintw}{\sin^2\theta_{\rm W}^2}