indiscriminately. (Also, in many texts, the word @dfn{form} is used
as a synonym for expression.)
+@c This and the next paragraph say ``kinds of atom'', but that is not
+@c a typo, just slightly ``old-fashioned wording which adds a fillip
+@c of interest to it'', and ``is more elegant writing'', according to
+@c RMS.
Incidentally, the atoms that make up our universe were named such when
they were thought to be indivisible; but it has been found that physical
atoms are not indivisible. Parts can split off an atom or it can