{* *! version 1.0.2  30mar2007}{...}
{phang}
{opt vce(vcetype)} specifies the type of standard error reported, which
includes types that are robust to some kinds of misspecification and that are
derived from asymptotic theory; see
{helpb xt_vce_options:[XT] {it:vce_options}}.
{p_end}
