6.4 letter

<..configure html4 letter..>
 <.quote config.>
 <.quotations.>
 <.description 4.>
 <.roman enumeiii.>
 <.base font size.>
 \ConfigureEnv{verse}
    {\ifvmode \IgnorePar\fi\EndP\Tg<div class="verse">}
    {\ifvmode \IgnorePar\fi\EndP\Tg</div>}
    {}{}
 \ConfigureList{verse}
    {}{}
    {\parindent=\z@}  {\par}
 \Css{.verse{white-space:nowrap; margin-left:2em}}
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<..configure html4 letter..>+
 \Configure{opening}
    {\bgroup
        \ConfigureEnv{tabular}{}{}{}{}%
        \Configure{tabular}
          {\EndP\ifvmode \IgnorePar \fi
           \HCode{<div class="opening"\a:LRdir>}}
          {\HCode{</div><p class="clear-both" />}}
          {}
          {\HCode{<br />}}
          {}{}%
        \Configure{HBorder}
          {<br class="hline" />} {}{}
          {<br class="cline" />} {}{} {}
          {<br class="vspace" />} {}{}%
    }
    {\egroup}
 \Configure{closing}
    {\EndP\ifvmode \IgnorePar\fi
     \HCode{<div class="closing">}}
    {\EndP\ifvmode \IgnorePar\fi
     \HCode{</div><p class="clear-both" />}}
 \longindentation=0pt
 \Css{div.opening{float:right;}}
 \Css{div.closing {float:right; margin-right:2em;}}
 \Css{p.clear-both{clear:both;}}
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<..configure html4 letter..>+
 \Configure{address}
    {\ifvmode \IgnorePar\fi \EndP \HCode{<span class="address">}}
    {\HCode{</span>}}
 \Configure{toaddress}
    {\HCode{<div class="toaddress">}}
    {\HCode{</div>}}
 \Configure{toname}
    {\ifvmode \IgnorePar\fi \EndP \HCode{<div class="toname">}}
    {\HCode{</div>}}
 \Configure{date}
    {\HCode{<span class="date" \a:LRdir>}}
    {\HCode{</span>}}
 \Configure{dear}
    {\HCode{<span class="dear">}}
    {\HCode{</span>}}
 \Configure{sincerely}
    {\HCode{<span class="sincerely">}}
    {\HCode{</span>}}
 \Configure{signature}
    {\HCode{<span class="signature">}}
    {\HCode{</span>}}
 \Configure{cc}
    {\HCode{<div class="cc">}\IgnorePar}
    {\ifvmode\IgnorePar\fi\HCode{</div>}}
 \Configure{encl}
    {\HCode{<div class="encl">}\IgnorePar}
    {\ifvmode\IgnorePar\fi\HCode{</div>}}
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