deletions | additions       diff --git a/section_OK_this_is_a__.tex b/section_OK_this_is_a__.tex  index b6534f4..60734d5 100644  --- a/section_OK_this_is_a__.tex  +++ b/section_OK_this_is_a__.tex 
...
\section{OK, this is a section}  I have no idea whether Jon is going to consider this reasonable or a huge pain in the ass. Fuck, no Xy-pic  \begin{displaymath}  \xymatrix{A & B \\  C & D }  \end{displaymath}