%
% (c) 1996 Mark Wooding
%
-%----- Revision history -----------------------------------------------------
-%
-% $Log: mdwtab.dtx,v $
-% Revision 1.3 2003/11/10 14:43:48 mdw
-% Ignore spaces after spliteqn.
-%
-% Revision 1.2 2003/09/05 16:15:03 mdw
-% Colour support! Better rule attribute handling. Lots of new hooks.
-%
-% Revision 1.1 2002/02/03 20:49:03 mdw
-% Checkin for new build system.
-%
-% Revision 1.8 1996/12/09 23:20:42 mdw
-% (\tab@setstrut): Fixed so that it uses \dimen@ii for the strut depth,
-% as advertised.
-%
-% Revision 1.7 1996/11/29 21:59:16 mdw
-% Fixed a little formatting mistake in a syntax diagram, and switched over
-% to the new syntax diagram commands on the grounds that they're slightly
-% less messy. Maybe.
-%
-% Revision 1.6 1996/11/19 20:54:33 mdw
-% Entered into RCS
-%
-%
% \end{meta-comment}
%
% \begin{meta-comment} <general public licence>
%<+color> [2003/08/24 1.10 Fix for people who can't spell]
% \end{meta-comment}
%
-% \CheckSum{3373}
+% \CheckSum{3404}
%% \CharacterTable
%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
\coldef <#1{\tabuserposttype{#1}}
\coldef ?#1#2{%
\ifx>#1\expandafter\tabuserpretype%
- \else\expandafter\tabusrposttype\fi%
+ \else\expandafter\tabuserposttype\fi%
{#2}%
\tab@append\tab@shortline{#2}%
}
\tab@initread%
\def\tab@multicol{\@arstrut}%
\tab@preamble{\tab@multicol}%
- \def\tab@midtext{\ignorespaces\@sharp\@sharp\@maybe@unskip}%
+ \let\tab@lefttext\tab@lefttexthook%
+ \let\tab@righttext\tab@righttexthook%
+ \let\tab@leftruletext\tab@leftruletexthook%
+ \let\tab@rightruletext\tab@rightruletexthook%
+ \def\tab@midtext{\tab@setcr\ignorespaces\@sharp\@sharp\@maybe@unskip}%
\tab@readpreamble{#1}%
\gdef\@preamble{\the\tab@preamble}%
\let\tab@bgroup\begingroup%
% we need to remove them by hand at the extremities of the environment.
%
% \begin{macrocode}
-\def\subsplit{%
+\def\subsplit{\@ifnextchar[\subsplit@i{\subsplit@i[c]}}
+\def\subsplit@i[#1]{%
+ \let\@tempa\vcenter%
+ \if#1t\let\@tempa\vtop\fi%
+ \if#1b\let\@tempa\vbox\fi%
\let\\\seq@cr%
- \vcenter\bgroup%
+ \@tempa\bgroup%
\seq@dosplit{\hfil\qquad$##$\qquad\hfil}{\hfilneg\hskip-2em}%
}
% \end{macrocode}