LaTeX <- pdfTeX, LuaTeX, XeTeX

I have been using LaTeX (with pdfTeX) for 20+ years now – to be honest I never bothered to understand the differences between the different TeX engines – here is an excellent article by Graham Douglas explaining the ins and outs of the TeX engine(s).

Three weeks without email

I spend a lot of time writing and answering email. Email is, according to timing, the third longest activity on my computer (although I am using three computers and can check this only on one of them – #timing please let us link computers for an overall analysis) … anyway – back to no email – as a holiday treat I decided to shut down all my email accounts 5 days before Dec.