Re: alternating tags in a list?

[David Carlisle <davidc@xxxxxxxxx>]

> My understanding is that TeX document can (e.g.) draw an oval that touches

tex on its own can't really draw at all, although people have written
tex macros to make lots of `.' in interesting places.
Also some dvi drivers have a hook in which you can drop postscript
tricks such as this.

> or (e.g.) insert the current date and PGP encrypt it. 
you can get the date and time at which the job started (just about the
only system information that there is in tex). It is no doubt technically
possible for someone to write a pgp encryption algorithm in tex
but I would doubt if it has been done.

> 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.

In some systems, but unlikely for tex which is guaranteed to give
essentially byte for byte the same output given the smae input
no matter what implementation is being used, on whatever platform.

David
This seems to have drifted off the subject in the header above.


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