Merge branch 'master' of git+ssh://metalzone.distorted.org.uk/~mdw/public-git/mdwtools

[mdwtools] / mdwtab.dtx

diff --git a/mdwtab.dtx b/mdwtab.dtx
index 3e52084..6d5cfcf 100644 (file)
--- a/mdwtab.dtx
+++ b/mdwtab.dtx
@@ -44,7 +44,7 @@
 %<+color>                [2003/08/24 1.10 Fix for people who can't spell]
 % \end{meta-comment}
 %
-% \CheckSum{3386}
+% \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
@@ -5581,9 +5581,13 @@
 % 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}