Historical reasons. Initially was inspired by TeX and Emacs. The project started in 1998 so now is hard to change the name. For the moment there is no consensus

Historical reasons. Initially was inspired by TeX and Emacs. The project started in 1998 so now is hard to change the name. For the moment there is no consensus on a better name, so we stick with it and just try to make it clear from the outset.