Changing the name of libm4

[Akim Demaille]

Gary 1> But that is all for later.  As it stands, modules only have
Gary 1> access to the stuff I moved into libm4.so, which was just enough
Gary 1> to support argument passing...

Akim> Arg, libm4.so.  Hm, maybe I should rename libm4.m4.  Would you
Akim> suggest a better name?

Gary 2> Hmmm... intrinsics.m4, std.m4, libstd.m4, standard.m4,
Gary 2> internal.m4, wrap.m4, sys.m4, libsys.m4?

What do you guys from Autoconf think about these names?  The thing I
liked with libm4 was the presence of m4 in the file name, just like
m4_ in the macro names.  But I'm ready to change the name if it can
save some people from confusing the two libm4.  What names would you
suggest?