\input TeX4ht.sty
\Preamble{html,HTable}
\EndPreamble

\HTableScript
  [\ifnum \Row=1 C2-\fi]%
  {\ifnum \Row=2 *** \fi}{}

\HTable B{
 My heart is not haughty,
 nor mine eyes lofty:
\cr
  neither do I exercise
& myself in great matters,
  or in things too
  high for me.
}
\bye