deletions | additions       diff --git a/header.tex b/header.tex  index c749f0c..41509c0 100644  --- a/header.tex  +++ b/header.tex 
...
\def\authorea{\href{http://en.wikipedia.org/wiki/Authorea}{Authorea}\xspace}  \def\latexml{\href{https://en.wikipedia.org/wiki/LaTeXML}{LaTeXML}\xspace}  \def\latex{\href{https://en.wikipedia.org/wiki/LaTeX}{\LaTeX}\xspace}  \def\onlyHTML#1{\iflatexml#1\fi}  \def\onlyPDF#1{\iflatexml\else#1\fi}