Frank Mittelbach wrote:
> sorry for joining so late ... yes you are absolutely right, this module needs
> even more than just "some" attention. It is one of those modules that date
> back to the very first version of expl3 (predating LaTeX2e even).
> so it isn't really surprising it it is much more concerned with saving space
> etc than it would need to these days. yes this needs a complete new design

I think Will made some very useful suggestions on what might be nice
from the point of view of a package author.  The idea of a centralised
debug/info/warning/error message is a particularly nice one.  So having
a separate message defining and message using functions is an idea I like.
Joseph Wright