[stopdropnhotpot]

Can you get away with ignoring Turing? sure. But it's not going to be a "great markup language"

Victims? Why would this requirement cause development difficulty? If anything it would make it easier to deliver, and a lot easier to develop alternative parsers for, and easier to extend as well. We figured out all these things a long time ago but then ignored them because we thought we knew better then those who came before us.

[taeric]

I'm not sure I follow. Or agree, all told. org-mode is a great markup language that lets me put in actual program snippets. I technically can make it self modifying such that it reflects on itself. May be useful for some things, but I don't know why I would go out of my way to do that. Just as I don't know why i would go out of my way to make it not possible.

Similarly, I confess that plain TeX is a lot more approachable than I had always assumed it was. Even better, older TeX files still work, today.

Granted, early HTML mostly still works, I think. Though, I think xhtml failed miserably. And as nice as it is that HTML still mostly works, I don't know of anyone that actually uses HTML as their authoring language, which is more than a bit of a shame.