Rework document history generation

No longer uses longtable, so it can't span multiple pages, but that seems like
a minor issue for now.

example/example.tex

@@ -9,7 +9,7 @@
 \setDocProgram{SDC}
 
 \setDocChangeRecord{
-  \addtohist{1.0}{2020-11-15}{Initial release}
+  \addChangeRecord{1.0}{2020-11-15}{Initial release}
 }
 
 \setDocAuthors{

texmf/tex/latex/astron/astron.cls

@@ -18,7 +18,6 @@
 \RequirePackage{geometry}
 \RequirePackage{fancyhdr}
 \RequirePackage{lastpage}
-\RequirePackage{longtable}
 \RequirePackage[absolute]{textpos}
 \RequirePackage{tabularx}
 
@@ -64,40 +63,26 @@
 %
 % Document history
 %
-\newenvironment{docHistory}[0]{
-  \newpage
-  \section*{Document History}
-  \begin{small}
-    % flush table to the left
-    \setlength\LTleft{0pt}
-    \setlength\LTright{\fill}
-    \addtocounter{table}{-1}
-    \begin{longtable}{|l|p{.13\textwidth}|p{.68\textwidth}|}
-      \hline
-      \textbf{Revision} & \textbf{Date} & \textbf{Description} \\ \hline\hline
-      \endfirsthead
-      \hline
-      \textbf{Revision} & \textbf{Date} & \textbf{Description} \\ \hline\hline
-      \endhead
-      \multicolumn{3}{r}{\emph{Continued on next page}}
-      \endfoot
-      \endlastfoot
-}{
-    \end{longtable}
-  \end{small}
-  \clearpage
+\providecommand{\addChangeRecord}[3]{ #1 & #2 & #3 \tabularnewline \hline}
+\newcommand{\docChangeRecord}{
+... & ... & ... \tabularnewline \hline
 }
-\providecommand{\addtohist}[3]{ #1 & #2 & #3 \\\hline}
-
-\newcommand{\docChangeRecord}{}
 \newcommand{\setDocChangeRecord}[1]{\renewcommand{\docChangeRecord}
 {
-\clearpage
-\begin{docHistory}
 #1
-\end{docHistory}
 }}
 
+\newcommand{\changeRecord}{%
+  \clearpage
+  \section*{Document History}
+  \begin{tabularx}{\textwidth}{|X|p{0.13\textwidth}|p{0.68\textwidth}|X|}
+    \hline
+    \textbf{Revision} & \textbf{Date} & \textbf{Description} \tabularnewline
+    \hline\hline
+    \docChangeRecord
+  \end{tabularx}
+  \clearpage
+}
 
 %
 % Define authors, approvers, etc for the front page
@@ -136,6 +121,29 @@
 #1
 }}
 
+\newcommand{\authorTable}{%
+  \begin{tabularx}{\textwidth}{|p{0.35\textwidth}|p{0.35\textwidth}|X|}
+    \cline{2-3} \cline{3-3}
+    \multicolumn{1}{c|}{} &
+    \textbf{\footnotesize{}Organisatie / Organization} &
+    \textbf{\footnotesize{}Datum / Date} \tabularnewline
+    \hline
+    \textbf{\footnotesize{}Auteur(s) / Author(s):\vspace{0.2cm}} & & \tabularnewline
+    \docAuthors
+    \hline
+    \textbf{\footnotesize{}Controle / Checked:\vspace{0.2cm}} & & \tabularnewline
+    \docCheckers
+    \hline
+    \textbf{\footnotesize{}Goedkeuring / Approval:\vspace{0.2cm}} & & \tabularnewline
+    \docApprovers
+    \hline
+    \textbf{\footnotesize{}Autorisatie / Authorization:} & & \tabularnewline
+    \docAuthorizers
+    \textbf{\footnotesize{}Handtekening / Signature:\vspace{1cm}} & & \tabularnewline
+    \hline
+  \end{tabularx}
+}
+
 %
 % Define headers and footers
 %
@@ -185,29 +193,6 @@
   }
 \end{textblock*}
 
-\newcommand{\authorTable}{%
-  \begin{tabularx}{\textwidth}{|p{0.35\textwidth}|p{0.35\textwidth}|X|}
-    \cline{2-3} \cline{3-3}
-    \multicolumn{1}{c|}{} &
-    \textbf{\footnotesize{}Organisatie / Organization} &
-    \textbf{\footnotesize{}Datum / Date} \tabularnewline
-    \hline
-    \textbf{\footnotesize{}Auteur(s) / Author(s):\vspace{0.2cm}} & & \tabularnewline
-    \docAuthors
-    \hline
-    \textbf{\footnotesize{}Controle / Checked:\vspace{0.2cm}} & & \tabularnewline
-    \docCheckers
-    \hline
-    \textbf{\footnotesize{}Goedkeuring / Approval:\vspace{0.2cm}} & & \tabularnewline
-    \docApprovers
-    \hline
-    \textbf{\footnotesize{}Autorisatie / Authorization:} & & \tabularnewline
-    \docAuthorizers
-    \textbf{\footnotesize{}Handtekening / Signature:\vspace{1cm}} & & \tabularnewline
-    \hline
-  \end{tabularx}
-}
-
 % We generate the author table once (but don't print it) to measure its height,
 % then use that to position the textblock* which ultimately contains the table.
 % Note the measured height is (approximately) half the full height.
@@ -220,5 +205,5 @@
 
 \clearpage
 
-\docChangeRecord{}
+\changeRecord
 }