cline

<..early latex definitions ..>
\newif\ifomit:
-_-_-

<..html latex halign ..>+
\HAssign\cline:cnt=0
\def\:temp#1-#2\@nil{\omit \global\omit:true \cr
    \o:noalign:{\a:xcline\HAssign\:tempb=#1 \set:clines{#2}}\ignoreEndTr}
\HLet\@cline=\:temp
\def\set:clines#1{\expandafter\gHAssign\csname :\:tempb\endcsname=1
    \ifnum \:tempb<#1 \Advance:\:tempb by 1 \expandafter\set:clines
    \else \expandafter\:gobble
    \fi {#1}}
\NewConfigure{xcline}{1}
-_-_-

dblatex shows the \xcline in

\documentclass{article}
\usepackage{array}
\begin{document}
    \begin{tabular}{lll}
                         \\\cline{2-3}
    \end{tabular}
\end{document}

but not when array.sty is out. Why? xcline got introduced to detect those appearences to be cleaned by xtpipes.

<..init for clines ..>
\global\let\cline:s=\empty
\HAssign\:tempb=0 \init:clines \global\let\cline:s=\cline:s
-_-_-

<..html latex halign ..>+
\def\init:clines{\ifnum \:tempb<0\csname ar:cnt\endcsname
      \Advance:\:tempb by 1
      \expandafter\gHAssign\csname :\:tempb\endcsname=0
      \expandafter\append:def\expandafter\cline:s\expandafter{\csname
           :\:tempb\endcsname}%
      \expandafter\init:clines
   \fi}
-_-_-

<..cond eliminate pre cline tr ..>
\gHAdvance\cline:cnt by 1
\expandafter\ifx \csname  cw:cline-\cline:cnt\endcsname \relax \else
    \Tag{Cline-\cline:cnt}{}%
\fi
\expandafter\ifx \csname  cw:Cline-\cline:cnt\endcsname \relax \else
    \ht:special{t4ht@[}%
\fi
-_-_-

<..end cond eliminate pre cline tr ..>
\ifomit: \Tag{cline-\cline:cnt}{}\fi
\expandafter\ifx \csname cw:Cline-\cline:cnt\endcsname \relax \else
\ht:special{t4ht@]}%
\fi
\global \omit:false
-_-_-

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