2006/9/14, Michael Barr <mbarr at math.mcgill.ca>:
> going to raise a further question. Does the latex 3 team intend to try to
> make it impossible to mix plain and latex code? Will they go beyond
> deprecation and get into forbidding. The AMS, for example,
\usepackage[removeoldnames]{l3names}% latex/exptl/project/expl3