<..TABLE tabbing..>+
\def\TRD:tab{\gdef\D:tab{\a:tabalgn \c:tabalgn \gdef\D:tab{}}}
\def\d:tab{\gdef\D:tab{%
\d:tabalgn \c:tabalgn \gdef\D:tab{}}}
\def\rt:tab{\d:tabalgn\b:tabalgn}
-_-_-
<..TABLE tabbing..>+
\def\gt:tab{%
\afterassignment\gt:tb \tmp:cnt=\ln:tab \space 0//}
\def\gt:tb#1//{\xdef\ln:tab{#1}%
\edef\TabWidth{\ifnum \tmp:cnt> 0 \the\tmp:cnt\fi }}
-_-_-
<..plain,latex utilities..>+
\def\:tblgn{\ifx [\:temp \expandafter\:tbln
\else \expandafter\c:tblgn \fi}
\def\:tbln[#1]#2#3#4#5{%
\def\m:tab{#2#3#4#5}\ifx \m:tab\empty \else
\Configure{\:tempa}{#2}{#3}{#4}{#5}{}\fi
\def\m:tab{#1}}
\long\def\c:tblgn#1#2#3#4{%
\c:def\a:tabalgn{\ifx \EndPicture\:UnDef
\let\TabType=\relax #1\fi}%
\d:def\b:tabalgn{\ifx \EndPicture\:UnDef #2\fi}%
\d:def\c:tabalgn{\ifx \EndPicture\:UnDef \gt:tab #3\fi}%
\d:def\d:tabalgn{\ifx \EndPicture\:UnDef #4\fi}\E:tabalign}
\c:def\a:tabalgn{}
\d:def\b:tabalgn{}
\d:def\c:tabalgn{}
\d:def\d:tabalgn{}
-_-_-
HANDLE the above Configure.
<..TABLE tabbing Config util..>
\let\E:tabalign=\empty
\def\c:tabbing:{\def\:tempa{tabbing}\futurelet\:temp\:tblgn}
-_-_-
The \hfil\break to force likne breaks in TeX. Lines taht are too long might push pictures outside the boundaries where dvips/convert may be set to process them.