At 23:22 +0300 2001/02/14, Alexander Cherepanov wrote:
>The question is "can markup be avoided completely?"

You are the one posing that question...

>As for a math environment, how will you parse (without math markup) the last
>sentence in the following example:
...
>    Editor writes: The gap in the last formula [i.e. \mskip20mu] should be
>    made like in the first one and the $gap$ should be made like in the
>    second one.

The answer is as always: If you can parse it without markup, then it is
possible to parse it, right? If you, or other humans, cannot parse it that
way without markup, then don't expect the computer do it for you. :-)

  Hans Aberg