Lines and Braces (With ...)

<..configure jsml-math latex ..>+

\Configure{overline}
    {\bgroup\ifmathml <.mathml overline .>\else
          \HCode{<mover class="overline">}\fi}
    {\ifmathml <.end mathml overline .>\else
                   \HCode{</mover>}\fi\egroup}
\Configure{underline}
    {\bgroup
     \ifmathml <.mathml underline .>%
     \else <.nomath underline .>%
           \HCode{<mover class="underline">}\fi}
    {\ifmathml <.end mathml underline .>\else
                    \HCode{</mover>}\fi \egroup}

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<..mathml overline ..>

\HCode{<mover class="mover-overline"\Hnewline>%
\add:description{begin-end}{\b:speak:modified}%
<mrow class="mo-00AF">}%

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<..end mathml overline ..>

\HCode{</mrow>%
\add:description{begin-end}{\a:speak:modified:line}%
</mover>}%

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<..mathml underline ..>

\HCode{<munder class="munder-underline">%
\add:description{begin-end}{\a:speak:modified}%
<mrow class="mo-0332"><BREAK SIZE="small"/>}%

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<..end mathml underline ..>

\HCode{<BREAK SIZE="small"/></mrow>%
\add:description{begin-end}{\a:speak:modified:line}%
</munder>}%

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<..nomath underline ..>

\expandafter\everymath
\expandafter{\expandafter\everymath
\expandafter{\the\everymath}}%
\let\o::@underline:\o:@@underline:
\def\o:@@underline:{\let\o:@@underline:\o::@underline:}%

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<..plain,fontmath math ..>+

\Configure{overbrace}
    {\Configure{mathop*}{*}
          {<mover class="mover-overline">%
                   \add:description{begin-end}{\b:speak:modified}%
                   <mrow class="mo-FE37">}
          {</mrow>\add:description{begin-end}{\a:speak:modified:brace}%
           </mover>}
          {\Configure{mathop}{}{}{}{}}%
    }
    {\let\o:overbrace:=\displaystyle}
    {}
\Configure{underbrace}
    {\Configure{mathop*}{*}
          {<munder class="munder-underline">%
                \add:description{begin-end}{\a:speak:modified}%
                <mrow class="mo-FE38">}
          {</mrow>\add:description{begin-end}{\a:speak:modified:brace}%
           </munder>}
          {\Configure{mathop}{}{}{}{}}%
    }
    {\let\o:underbrace:=\displaystyle}
    {}

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<..config mathml accents ..>

\Configure{accent}\widetilde\widetilde{{}{}}
   {}
   {\HCode{<mover class="mover-tilde">%
           \add:description{begin-end}{\b:speak:modified}%
           <mrow class="mo-0303"\Hnewline>}%
        #2%
    \HCode{</mrow>\add:description{begin-end}{\a:speak:modified:tilde}%
           </mover>}}
\Configure{accent}\widehat\widehat{{}{}}
   {}
   {\HCode{<mover class="mover-hat">%
           \add:description{begin-end}{\a:speak:modified}%
           <mrow class="mo-0302"\Hnewline>}%
        #2%
    \HCode{</mrow>\add:description{begin-end}{
                         \a:speak:modified:hat}</mover>}} circumflex

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<..configure jsml-math latex ..>+

\NewConfigure{speak:modified}{2}
\Configure{speak:modified}
    {<BREAK SIZE="small"/>modified
                             under<BREAK SIZE="small"/>}
    {<BREAK SIZE="small"/>modified
                             above<BREAK SIZE="small"/>}
\NewConfigure{speak:modified:brace}{1}
\NewConfigure{speak:modified:hat}{1}
\NewConfigure{speak:modified:line}{1}
\NewConfigure{speak:modified:tilde}{1}
\Configure{speak:modified:brace}
     {<BREAK SIZE="small"/>with brace<BREAK SIZE="small"/>}
\Configure{speak:modified:hat}
     {<BREAK SIZE="small"/>with wide hat<BREAK SIZE="small"/>}
\Configure{speak:modified:line}
     {<BREAK SIZE="small"/>with bar<BREAK SIZE="small"/>}
\Configure{speak:modified:tilde}
     {<BREAK SIZE="small"/>with wide tilde<BREAK SIZE="small"/>}

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1.4 Lines and Braces (With ...)