... when you go to the annual party of your computer science university (FIB/UPC) and there's a giant poster that says
lol omg wtf rtfm
and you are the only person among your friends that know what the second line means.
On the kpdf/oKular/poppler side i've been porting code from kpdf/oKular to the poppler-qt4 frontend lately and almost have a full port of oKular to use the poppler-qt4 frontend. After that i'll svn rm kdegraphics/kpdf and focus on trying to improve oKular to live to everyone's expectations.