Sectioning

<..shared h4 subsection ..>

\ConfigureMark{subsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}\@seccntformat{subsection}%
        \HCode{</span>}\fi }
<.subsection TITLE+.>
\Configure{subsection}{}{}
    {\ifvmode \IgnorePar\fi
     \EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark\space \HtmlParOff}
    {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsection}{}{}{\EndP\bgroup
    \ifvmode \IgnorePar\fi
    \HCode{<h4 class="likesubsectionHead"\a:LRdir>}\HtmlParOff }
   {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsectionTITLE+}{#1}

-_-_-

<..configure html4 emulateapj ..>

\ConfigureMark{subsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}\@seccntformat{section}%
        \thesubsection\HCode{</span>}\fi}
\Configure{subsection}{}{}
    {\EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark{. \space}}
    {\HCode{</h4>}\IgnoreIndent\egroup}

-_-_-

<..pre 2005 titlesec ..>

\ConfigureMark{subsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble \else
     \csname thetitlesubsection\endcsname\fi}
\Configure{subsection}{}{}
    {\EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark\space}
    {\HCode{</h4>}\IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsection}{}{}
    {\EndP\bgroup \IgnorePar\HCode{<h4 class="likesubsectionHead"\a:LRdir>}}
    {\HCode{</h4>}\IgnoreIndent\egroup\par\ShowPar}

-_-_-

<..mwcls divs ..>

\ConfigureMark{subsection}
    {\ifHeadingNumbered \HCode{<span class="titlemark">}\mw@seccntformat
     \HeadingNumber \HCode{</span>}\fi}
\Configure{subsection}{}{}
    {\NoFonts \ifvmode \IgnorePar\fi
     \EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark \HtmlParOff}
    {\HCode{</h4>}\HtmlParOn \EndNoFonts \IgnoreIndent\egroup\par\ShowPar}
\Configure{subsectionTITLE+}{\thesubsection \space#1}

-_-_-

<..mwcls divs ..>+

\Configure{likesubsection}{}{}{\EndP\bgroup
    \ifvmode \IgnorePar\fi
    \HCode{<h4 class="likesubsectionHead"\a:LRdir>}\HtmlParOff }
   {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsectionTITLE+}{#1}

-_-_-

<..ams art,proc,book div ..>

\ConfigureMark{subsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}%
           \@ifundefined{subsectionname}{}{%
           \ignorespaces\subsectionname\space}%
           \@seccntformat{subsection}%
        \HCode{</span>}\fi }
<.subsection TITLE+.>

-_-_-

<..ams proc,book ..>

\Configure{subsection}{}{}
    {\ifvmode \IgnorePar\fi
     \EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark\space \HtmlParOff}
    {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}

-_-_-

<..ams art ..>

\Configure{subsection}{}{}
   {\ShowPar\noindent
    \HCode{<span class="subsectionHead"\a:LRdir>}\begingroup\bf
    \TitleMark\space}
   {.\endgroup\HCode{</span>}\IgnorePar\par\ShowPar}

-_-_-

<..scr report,book ..>

\ConfigureMark{subsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}\thesubsection
        \HCode{</span>}\fi }
<.subsection TITLE+.>
\Configure{subsection}{}{}
    {\ifvmode \IgnorePar\fi
     \EndP\bgroup \IgnorePar\HCode{<h4 class="subsectionHead"\a:LRdir>}%
     \TitleMark~~\HtmlParOff}
    {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsection}{}{}{\EndP\bgroup
    \ifvmode \IgnorePar\fi
    \HCode{<h4 class="likesubsectionHead"\a:LRdir>}\HtmlParOff }
   {\HCode{</h4>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsectionTITLE+}{#1}

-_-_-

<..ams art,proc,book div ..>+

\ConfigureMark{subsubsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}%
           \@ifundefined{subsubsectionname}{}{%
           \ignorespaces\subsubsectionname\space}%
           \@seccntformat{subsubsection}%
        \HCode{</span>}\fi}
<.subsubsection TITLE+.>

-_-_-

<..ams proc,book ..>+

\Configure{subsubsection}{}{}
    {\ifvmode \IgnorePar \fi  \EndP
     \bgroup \IgnorePar\HCode{<h5 class="subsubsectionHead"\a:LRdir>}%
     \TitleMark\space \HtmlParOff}
    {\HCode{</h5>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}

-_-_-

<..ams art ..>+

\Configure{subsubsection}{}{}
   {\ShowPar\noindent
    \HCode{<span class="subsubsectionHead"\a:LRdir>}\begingroup\it
    \TitleMark\space}
   {.\endgroup\HCode{</span>}\IgnorePar}

-_-_-

<..shared h5 subsubsection ..>

\ConfigureMark{subsubsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth  \expandafter\:gobble
     \else
        \HCode{<span class="titlemark">}\@seccntformat{subsubsection}%
        \HCode{</span>}\fi}
<.subsubsection TITLE+.>
\Configure{subsubsection}{}{}
    {\ifvmode \IgnorePar \fi  \EndP
     \bgroup \IgnorePar\HCode{<h5 class="subsubsectionHead"\a:LRdir>}%
     \TitleMark\space \HtmlParOff}
    {\HCode{</h5>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}
\Configure{likesubsubsection}{}{}
    {\ifvmode \IgnorePar\fi \EndP\bgroup\IgnorePar
     \HCode{<h5 class="likesubsubsectionHead"\a:LRdir>}\HtmlParOff}
    {\HCode{</h5>}\HtmlParOn \IgnoreIndent\egroup\par\ShowPar}

-_-_-

<..mwcls divs ..>+

\ConfigureMark{subsubsection}
    {\ifHeadingNumbered \HCode{<span class="titlemark">}\mw@seccntformat
     \HeadingNumber \HCode{</span>}\fi}
\Configure{subsubsection}{}{}
    {\NoFonts \ifvmode \IgnorePar \fi  \EndP
     \bgroup \IgnorePar\HCode{<h5 class="subsubsectionHead"\a:LRdir>}%
     \TitleMark \HtmlParOff}
    {\HCode{</h5>}\HtmlParOn \EndNoFonts \IgnoreIndent\egroup
     \par\ShowPar}
\Configure{subsubsectionTITLE+}{\thesubsubsection \space#1}

-_-_-

<..mwcls divs ..>+

\Configure{likesubsubsection}{}{}
    {\ifvmode \IgnorePar\fi \EndP\bgroup\IgnorePar
     \HCode{<h5 class="likesubsubsectionHead"\a:LRdir>}\HtmlParOff}
    {\HCode{</h5>}\HtmlParOn \IgnoreIndent\egroup \par\ShowPar}

-_-_-

<..pre 2005 titlesec ..>+

\ConfigureMark{subsubsection}
    {\ifnum \c:secnumdepth>\c@secnumdepth   \expandafter\:gobble \else
     \csname thetitlesubsubsection\endcsname\fi}
\Configure{subsubsection}{}{}
    {\EndP\bgroup \IgnorePar\HCode{<h5 class="subsubsectionHead"\a:LRdir>}%
     \TitleMark\space}
    {\HCode{</h5>}\IgnoreIndent\egroup \par\ShowPar}
\Configure{likesubsubsection}{}{}
    {\EndP\bgroup \IgnorePar\HCode{<h5 class="likesubsubsectionHead"\a:LRdir>}%
     \TitleMark\space}
    {\HCode{</h5>}\IgnoreIndent\egroup \par\ShowPar}

-_-_-

3.1 Sectioning

3.1.1 Sub Sections

3.1.2 Sub Sub Sections