deletions | additions       diff --git a/header.tex b/header.tex  index bed2bc9..3c75254 100644  --- a/header.tex  +++ b/header.tex 
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\newcommand{\truncateit}[1]{\truncate{0.8\textwidth}{#1}}  \newcommand{\scititle}[1]{\title[\truncateit{#1}]{#1}}  \newcommand{\vdag}{(v)^\dagger}  \newcommand{\av}{$A_{V}$}  \newcommand{\mav}{A_{V}}  \newcommand{\degrees} {$^\circ$}  \newcommand{\kms}{km\ s$^{-1}$}  \newcommand{\cc}{cm$^{-3}$}  \newcommand{\cmsq}{cm$^{-2}$}  \newcommand{\htwo}{${\rm H_2}$}  \newcommand{\mhtwo}{{\rm H_2} }  \newcommand{\cotwoone}{$^{12}$CO~(2-1)}  \newcommand{\co}{$^{12}$CO}  \newcommand{\ammonia}{${\rm NH}_3$}  \newcommand{\thco}{$^{13}$CO}  \newcommand{\mco}{ {\rm ^{12}CO}}  \newcommand{\mthco} { {\rm ^{13}CO}}  \newcommand{\wthco}{$W(\mthco)$}  \newcommand{\nthco}{$N(\mthco)$}  \newcommand{\myemail}{[email protected]}  \def \simless {\mathbin{\lower 3pt\hbox{$\rlap{\raise 6pt  \hbox{$\char'074$}}\mathchar"7218$}}}  \def \simgreat {\mathbin{\lower 3pt\hbox{$\rlap{\raise 6pt  \hbox{$\char'076$}}\mathchar"7218$}}}