http://journal.stuffwithstuff.com/2015/09/08/the-hardest-program-ive-ever-written/ http://journal.stuffwithstuff.com/2015/09/08/the-hardest-pro... might explain

http://journal.stuffwithstuff.com/2015/09/08/the-hardest-program-ive-ever-written/ http://journal.stuffwithstuff.com/2015/09/08/the-hardest-pro... might explain why 'just' doing the pretty print on the fly might not be a easy thing (even if the problem here is limited to a single line of code and something based on line length).