But until now there was no way out. OSes come with Ed, and Ed is the standard text editor.
But pretty soon, we'll want to do development in our browsers.
Do we really want to port our 1960's plain text infrastructure to browsers? Surely the answer must be a resounding ``No!''
Reinventing integrated development environments in the browser will make it possible to ditch plain text, and switch to the multimedial representations our programs deserve.