Paul Prescod writes:
 > My understanding is that TeX document can (e.g.) draw an oval that touches
 > all corners of the page or (e.g.) insert the current date and PGP encrypt
 > it. True or false?
true.

depends at what level you configure it. ie you may get <oval
height="10cm" width="12cm"> or <push><moveto x="10" y="20"><selectfont
name="oval"/><fontsize h="64pt"/><char n="101"/><pop>.  either way,
you'll be sure TeX will emit well-formed XML...

 >  If true, how do we convert that to MathML?
only math goes to MathML :-}

 > This also leads to the word-break problem. Even if we define words
 > rigorously, the output of the program can depend on the runtime
 > environment.
sure. and if I set your "Hello there Sebastian which is the third
word" in a font/setup with no interword spacing, the *printed* output is
ambiguous

Sebastian


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