usepackage{xspace}
ewcommand{ie}{{emph{i.e.}},xspace}
ewcommand{viz}{{emph{viz.}},xspace}
ewcommand{eg}{{emph{e.g.}},xspace}
ewcommand{etc}{etc.}
ewcommand{etal}{{emph{et al.}}}
ewcommand{GH}{{sc GitHub}xspace}
ewcommand{Tvis}{{sc Travis CI}xspace}
ewcommand{Tvi}{{sc Travis}xspace}
ewcommand{CB}{{sc CloudBees}xspace}
ewcommand{CCI}{{sc CircleCI}xspace}
ewcommand{DO}{{sc DevOps}xspace}
ewcommand{Perc}{{sc Perceval}xspace}
ewcommand{GLab}{{sc GrimoireLab}xspace}
ewcommand{GHT}{{sc GHTorrent}xspace}
ewcommand{TT}{{sc TravisTorrent}xspace}
ewcommand{CI}{{$mathcal{CI}$}xspace}
ewcommand{ dd}{{$mathcal{TDD}$}xspace}
ewcommand{CI}{{$m{mathcal{CI}}$}xspace}
ewcommand{PR}{{$mathcal{PR}$}xspace}
ewcommand{PRs}{{$mathcal{PR}$s}xspace}
ewcommandhead[1]{
oindent{underline{f{#1}}:}}
ewcommand{mypara}[1]{vspace{4 mm}
oindent{underline {f #1} vspace{2mm}}}
