The rendering engine (Gecko). I guess for it to make sense you must separate the drawing engine from the browser, which adds things like tabs, bookmarks, themes and add-ons.
This can be seen today in Servo, which can browse the internet but has no GUI of to speak of (e.g. to visit a URL you must pass it as a command-line parameter to the executable).
The rendering engine (Gecko). I guess for it to make sense you must separate the drawing engine from the browser, which adds things like tabs, bookmarks, themes and add-ons.