Add new environments: longtableii, longtableiii, and longtableiv, to

support long tables which might break across page boundaries.  Otherwise
identical to tableii, tableiii, and tableiv.

Doc/doc/doc.tex

@@ -780,13 +780,23 @@ distribution, to create or maintain whole documents or sections.
     matches the \var{cols} value of the corresponding table
     environment.  These are supported for \var{cols} values of
     \code{ii}, \code{iii}, and \code{iv}.  These environments are all
-    built on top of the \env{tabular} environment.
+    built on top of the \env{tabular} environment.  Variants based on
+    the \env{longtable} environment are also provided.
 
     Note that all tables in the standard Python documentation use
     vertical lines between columns, and this must be specified in the
     markup for each table.  A general border around the outside of the
     table is not used, but would be the responsibility of the
-    processor.
+    processor; the document markup should not include an exterior
+    border.
+
+    The \env{longtable}-based variants of the table environments are
+    formatted with extra space before and after, so should only be
+    used on tables which are long enough that splitting over multiple
+    pages is reasonable; tables with fewer than twenty rows should
+    never by marked using the long flavors of the table environments.
+    The header row is repeated across the top of each part of the
+    table.
 
     \begin{envdesc}{tableii}{\p{colspec}\p{col1font}\p{heading1}\p{heading2}}
       Create a two-column table using the \LaTeX{} column specifier
@@ -802,8 +812,15 @@ distribution, to create or maintain whole documents or sections.
       \var{heading2}.
     \end{envdesc}
 
+    \begin{envdesc}{longtableii}{\unspecified}
+      Like \env{tableii}, but produces a table which may be broken
+      across page boundaries.  The parameters are the same as for
+      \env{tableii}.
+    \end{envdesc}
+
     \begin{macrodesc}{lineii}{\p{column1}\p{column2}}
-      Create a single table row within a \env{tableii} environment.
+      Create a single table row within a \env{tableii} or
+      \env{longtableii} environment.
       The text for the first column will be generated by applying the
       macro named by the \var{col1font} value when the \env{tableii}
       was opened.
@@ -814,6 +831,12 @@ distribution, to create or maintain whole documents or sections.
       The heading for the third column is given by \var{heading3}.
     \end{envdesc}
 
+    \begin{envdesc}{longtableiii}{\unspecified}
+      Like \env{tableiii}, but produces a table which may be broken
+      across page boundaries.  The parameters are the same as for
+      \env{tableiii}.
+    \end{envdesc}
+
     \begin{macrodesc}{lineiii}{\p{column1}\p{column2}\p{column3}}
       Like the \macro{lineii} macro, but with a third column.  The
       text for the third column is given by \var{column3}.
@@ -824,6 +847,12 @@ distribution, to create or maintain whole documents or sections.
       The heading for the fourth column is given by \var{heading4}.
     \end{envdesc}
 
+    \begin{envdesc}{longtableiv}{\unspecified}
+      Like \env{tableiv}, but produces a table which may be broken
+      across page boundaries.  The parameters are the same as for
+      \env{tableiv}.
+    \end{envdesc}
+
     \begin{macrodesc}{lineiv}{\p{column1}\p{column2}\p{column3}\p{column4}}
       Like the \macro{lineiii} macro, but with a fourth column.  The
       text for the fourth column is given by \var{column4}.

Doc/perl/python.perl

@@ -1064,6 +1064,10 @@ sub do_env_tableii{
 	   . "\n</table>";
 }
 
+sub do_env_longtableii{
+    return do_env_tableii(@_);
+}
+
 sub do_cmd_lineii{
     local($_) = @_;
     my $aligns = next_optional_argument();
@@ -1108,6 +1112,10 @@ sub do_env_tableiii{
 	   . "\n</table>";
 }
 
+sub do_env_longtableiii{
+    return do_env_tableiii(@_);
+}
+
 sub do_cmd_lineiii{
     local($_) = @_;
     my $aligns = next_optional_argument();
@@ -1157,6 +1165,10 @@ sub do_env_tableiv{
 	   . "\n</table>";
 }
 
+sub do_env_longtableiv{
+    return do_env_tableiv(@_);
+}
+
 sub do_cmd_lineiv{
     local($_) = @_;
     my $aligns = next_optional_argument();

Doc/texinputs/python.sty

@@ -6,6 +6,8 @@
 \ProvidesPackage{python}
              [1998/01/11 LaTeX package (Python markup)]
 
+\RequirePackage{longtable}
+
 % Uncomment these two lines to ignore the paper size and make the page 
 % size more like a typical published manual.
 %\renewcommand{\paperheight}{9in}
@@ -864,31 +866,62 @@
 \newenvironment{tableii}[4]{%
   \begin{center}%
     \def\lineii##1##2{\csname#2\endcsname{##1}&##2\\}%
-    \begin{tabular}{#1}\strong{#3}&\strong{#4} \\ \hline%
+    \begin{tabular}{#1}\strong{#3}&\strong{#4} \\* \hline\hline%
 }{%
     \end{tabular}%
   \end{center}%
 }
 
+\newenvironment{longtableii}[4]{%
+  \begin{center}%
+    \def\lineii##1##2{\csname#2\endcsname{##1}&##2\\}%
+    \begin{longtable}[c]{#1}\strong{#3}&\strong{#4} \\* \hline\hline\endhead%
+}{%
+    \end{longtable}%
+  \end{center}%
+}
+
 \newenvironment{tableiii}[5]{%
   \begin{center}%
     \def\lineiii##1##2##3{\csname#2\endcsname{##1}&##2&##3\\}%
-    \begin{tabular}{#1}\strong{#3}&\strong{#4}&\strong{#5} \\ \hline%
+    \begin{tabular}{#1}\strong{#3}&\strong{#4}&\strong{#5} \\%
+      \hline\hline%
 }{%
     \end{tabular}%
   \end{center}%
 }
 
+\newenvironment{longtableiii}[5]{%
+  \begin{center}%
+    \def\lineiii##1##2##3{\csname#2\endcsname{##1}&##2&##3\\}%
+    \begin{longtable}[c]{#1}\strong{#3}&\strong{#4}&\strong{#5} \\%
+      \hline\hline\endhead%
+}{%
+    \end{longtable}%
+  \end{center}%
+}
+
 \newenvironment{tableiv}[6]{%
   \begin{center}%
     \def\lineiv##1##2##3##4{\csname#2\endcsname{##1}&##2&##3&##4\\}%
     \begin{tabular}{#1}\strong{#3}&\strong{#4}&\strong{#5}&\strong{#6} \\%
-      \hline%
+      \hline\hline%
 }{%
     \end{tabular}%
   \end{center}%
 }
 
+\newenvironment{longtableiv}[6]{%
+  \begin{center}%
+    \def\lineiv##1##2##3##4{\csname#2\endcsname{##1}&##2&##3&##4\\}%
+    \begin{longtable}[c]{#1}\strong{#3}&\strong{#4}&\strong{#5}&\strong{#6}%
+      \\%
+      \hline\hline\endhead%
+}{%
+    \end{longtable}%
+  \end{center}%
+}
+
 % Cross-referencing (AMK, new impl. FLD)
 % Sample usage:
 %  \begin{seealso}