78.9 Verbatim

<..context core-ver..>
 \pend:defI\dostarttyping{\a:typing}
 \append:defI\initializetyping{%
    \aftergroup\b:typing
    \def\obeyedspace {\d:typing}%
    \def\obeyedline{}%
    \Configure{HtmlPar}{\c:typing}{\c:typing}{}{}%
 }
 \NewConfigure{typing}{4}
 -_-_-

The configurations fail to recognize empty lines. Why??

\def\obeyedline{\HCode{<br />}} 
\def\obeyedspace{\HCode{\string&}\HChar{-35}\HCode{x00A0;}} 

<..context core-ver..>+
 \let\o:dodotypefile:=\dodotypefile
 \def\dodotypefile{\a:typing \o:dodotypefile:}
 -_-_-
 
 \let\o:dodotypefile:=\dodotypefile
 \def\dodotypefile[#1]{%
    \expandafter\ifx\csname c:\??tp#1:\endcsname\relax
       \NewConfigure{\??tp#1}{4}%
       \Configure{\??tp#1}%
          {\a:typefile}%
          {\b:typefile}%
          {\c:typefile}%
          {\d:typefile}%
       \expandafter\pend:def \csname \??tp#1\c!before\endcsname{%
                               \csname a:\??tp#1\endcsname}%
       \expandafter\append:def \csname \??tp#1\c!before\endcsname{%
                               \csname b:\??tp#1\endcsname}%
       \expandafter\pend:def \csname \??tp#1\c!after\endcsname{%
                               \csname c:\??tp#1\endcsname}%
       \expandafter\append:def \csname \??tp#1\c!after\endcsname{%
                               \csname d:\??tp#1\endcsname}%
       \:warning{Introducing implicit configurations for \??tp#1}%
    \fi
    \o:dodotypefile:[#1]}
 \NewConfigure{typefile}{4}
 
 \Configure{typefile}
    {}
    {\ifvmode \IgnorePar \fi  \EndP
     \HCode{<div class="typefile">}%
     \def\verb:par{\gdef\verb:par{\HCode{<br />}}}}
    {\ifvmode \IgnorePar \fi  \EndP  \HCode{</div>}}
    {}
 \Css{div.typefile { white-space: nowrap; }} -_-_-