Text editors are not Further Maths, you've got to use your head

Modern text editors are not only able to beep and not let you out of the program. They appear to have a very complicated metabolism. Being part of the development of the best (among other things) text editor, we'll tell you:

• which data structures are used in different editors for text storage;
• what kind of magic is used to recalculate coordinates fast;
• how do we add and update styles, foldings and softwraps;
• how do functional data structures and priority queues come into the picture;
• how to take advantage of users.