Yes, that is pretty much how it works (it is a very simple hack). Therefore it is very specific to pg's essays, as it doesn't uses headings. But worked so well

Yes, that is pretty much how it works (it is a very simple hack). Therefore it is very specific to pg's essays, as it doesn't uses headings. But worked so well for me that I decided to share (and do a sinatra app that injects it, as some of my friends would not install greasemonkey just for this).