regress/roff/esc/f.out_html

   1 BEGINTEST
   2 numbers: <b><i>bolditalic</i></b><b>bold</b><i>italic</i>roman
   3 letters: <b>bold</b><i>italic</i><b>back</b><b><i>bolditalic</i></b>roman
   4 multiletter: <b>bold</b>empty<i>italic</i>back<b><i>bolditalic</i></b>roman
   5 typewriter: <span class="Li">roman</span><b>bold</b><span class="Li">roman</span><i>italic</i>roman
   6 ENDTEST