If W(x) ≧ 1 is defined on the
real line and satisfies (1), a discussion is given of the regularity assumptions which
must be imposed on W in order to guarantee the existence of nonzero entire
functions φ of arbitrarily small exponential type making W(x)φ(x) bounded
on the real axis. It is known that such φ exist provided that logW(x) is
uniformly Lip1. An example is given which shows, among other things, that this
is no longer the case if we merely suppose that loglogW(x) is uniformly
Lip1.