#+TITLE: Making of: Line drawing tutorial #+DATE: <2017-05-15> #+begin_comment is used in my html preprocessor to put stuff into the section of the page; org-mode doesn't have a way to do that normally #+end_comment #+begin_export html #+end_export People ask me how I write my interactive tutorials. I can point at the HTML+CSS+JS but that doesn't show the /process/. On this page I'll recreate the first half of my [[https://www.redblobgames.com/grids/line-drawing.html][line drawing tutorial]], using [[https://d3js.org/][d3.js v4]]. #+begin_export html