mdwref.dtx: Build the table the old-fashioned way.

It's going to become impractical to do this.  Besides, the machinery was
only used for the documentation (which is rather nasty) and doesn't work
well in other circumstances.

diff --git a/mdwref.dtx b/mdwref.dtx
index 66c2d07..fe386b0 100644 (file)
--- a/mdwref.dtx
+++ b/mdwref.dtx
@@ -124,10 +124,21 @@
 % A number of useful prefixes are already defined, following my usual
 % preferences; they're shown in \xref{tab:defs}.
 % \begin{table}
-%   \def\i#1#2{\texttt{#1}&\texttt{#2}\\}
 %   \begin{tabular}[C]{ll} \hlx*{hv}
 %   \textbf{Prefix} & \textbf{Text} \\ \hlx{vhv}
-%   \csname xref@defs\endcsname
+%     \texttt{ch}       & chapter $n$                                   \\
+%     \texttt{app}      & appendix $n$                                  \\
+%     \texttt{sec}      & section $n$                                   \\
+%     \texttt{def}      & definition $n$                                \\
+%     \texttt{th}       & theorem $n$                                   \\
+%     \texttt{lem}      & lemma $n$                                     \\
+%     \texttt{prop}     & proposition $n$                               \\
+%     \texttt{cor}      & corollary $n$                                 \\
+%     \texttt{fig}      & figure $n$                                    \\
+%     \texttt{tab}      & table $n$                                     \\
+%     \texttt{eq}       & equation $n$                                  \\
+%     \texttt{i}        & item $n$                                      \\
+%     \texttt{ex}       & exercise $n$                                  \\
 %   \hlx*{vh}\end{tabular}
 %   \caption{Predefined reference prefixes}
 %   \label{tab:defs}
@@ -147,19 +158,12 @@
 %
 % \begin{macro}{\defxref}
 % Defining prefixes is easy.  We store the text for each prefix in a macro
-% called \syntax{"\\xref$"<prefix>}.  The only catch is that, for the
-% purposes of generating \xref{tab:defs}, we maintain a list of the prefixes
-% which have been defined so far, but this is fairly easy.
+% called \syntax{"\\xref$"<prefix>}.
 %    \begin{macrocode}
 \def\defxref#1#2{%
-  \toks@\expandafter{\xref@defs\i{#1}{#2}}\xdef\xref@defs{\the\toks@}%
   \expandafter\def\csname xref$#1\endcsname{#2}%
 }
 %    \end{macrocode}
-% The list is obviously empty initially.
-%    \begin{macrocode}
-\gdef\xref@defs{}
-%    \end{macrocode}
 % \end{macro}
 %
 % \begin{macro}{\formatxref}