initial source import
diff --git a/doc/tools/perl/SynopsisTable.pm b/doc/tools/perl/SynopsisTable.pm
new file mode 100644
index 0000000..6a03dd2
--- /dev/null
+++ b/doc/tools/perl/SynopsisTable.pm
@@ -0,0 +1,89 @@
+package SynopsisTable;
+
+sub new{
+    return bless {names=>'', info=>{}, file=>''};
+}
+
+sub declare{
+    my($self,$name,$key,$type) = @_;
+    if ($self->{names}) {
+	$self->{names} .= ",$name";
+    }
+    else {
+	$self->{names} .= "$name";
+    }
+    $self->{info}{$name} = "$key,$type,";
+}
+
+# The 'file' attribute is used to store the filename of the node in which
+# the table will be presented; this assumes that each table will be presented
+# only once, which works for the current use of this object.
+
+sub set_file{
+    my($self, $filename) = @_;
+    $self->{file} = "$filename";
+}
+
+sub get_file{
+    my $self = shift;
+    return $self->{file};
+}
+
+sub set_synopsis{
+    my($self,$name,$synopsis) = @_;
+    my($key,$type,$unused) = split ',', $self->{info}{$name}, 3;
+    $self->{info}{$name} = "$key,$type,$synopsis";
+}
+
+sub get{
+    my($self,$name) = @_;
+    return split /,/, $self->{info}{$name}, 3;
+}
+
+sub show{
+    my $self = shift;
+    my $name;
+    print "names: ", $self->{names}, "\n\n";
+    foreach $name (split /,/, $self->{names}) {
+	my($key,$type,$synopsis) = $self->get($name);
+	print "$name($key) is $type: $synopsis\n";
+    }
+}
+
+sub tohtml{
+    my $self = shift;
+    my $data = "<table class='synopsistable'>\n";
+    my $name;
+    foreach $name (split /,/, $self->{names}) {
+	my($key,$type,$synopsis) = $self->get($name);
+	my $link = "<a href='module-$key.html'>";
+	$data .= ('  <tr>'
+		  . "<td><b><tt class='module'>$link$name</a></tt></b></td>\n"
+		  . "      <td class='synopsis'>$synopsis</td></tr>\n");
+    }
+    $data .= "</table>\n";
+    $data;
+}
+
+
+package testSynopsisTable;
+
+sub test{
+    # this little test is mostly to debug the stuff above, since this is
+    # my first Perl "object".
+    my $st = SynopsisTable->new();
+    $st->declare("sample", "sample", "standard");
+    $st->set_synopsis("sample", "This is a little synopsis....");
+    $st->declare("copy_reg", "copyreg", "standard");
+    $st->set_synopsis("copy_reg", "pickle support stuff");
+    $st->show();
+
+    print "\n\n";
+
+    my $st2 = SynopsisTable->new();
+    $st2->declare("st2module", "st2module", "built-in");
+    $st2->set_synopsis("st2module", "silly little synopsis");
+    $st2->show();
+}
+
+1;	# This must be the last line -- Perl is bogus!
diff --git a/doc/tools/perl/distutils.perl b/doc/tools/perl/distutils.perl
new file mode 100644
index 0000000..ab524bb
--- /dev/null
+++ b/doc/tools/perl/distutils.perl
@@ -0,0 +1,21 @@
+# LaTeX2HTML support for distutils.sty.
+
+package main;
+
+sub do_cmd_command {
+    return use_wrappers(@_[0], '<code>', '</code>');
+}
+
+sub do_cmd_option {
+    return use_wrappers(@_[0], '<font face="sans-serif">', '</font>');
+}
+
+sub do_cmd_filevar {
+    return use_wrappers(@_[0], '<font face="sans-serif"></i>', '</i></font>');
+}
+
+sub do_cmd_XXX {
+    return use_wrappers(@_[0], '<b>** ', ' **</b>');
+}
+
+1;
diff --git a/doc/tools/perl/howto.perl b/doc/tools/perl/howto.perl
new file mode 100644
index 0000000..76791eb
--- /dev/null
+++ b/doc/tools/perl/howto.perl
@@ -0,0 +1,12 @@
+# -*- perl -*-
+#
+# This implements the Python howto class.  All it really needs to do it
+# load the "python" style.
+
+package main;
+
+do_require_package("article");
+do_require_package("alltt");
+do_require_package("python");
+
+1;				# sheesh....
diff --git a/doc/tools/perl/l2hinit.perl b/doc/tools/perl/l2hinit.perl
new file mode 100644
index 0000000..d3720d9
--- /dev/null
+++ b/doc/tools/perl/l2hinit.perl
@@ -0,0 +1,594 @@
+# LaTeX2HTML support base for use with Python documentation.
+
+package main;
+
+use L2hos;
+
+$HTML_VERSION = 4.0;
+
+$MAX_LINK_DEPTH = 2;
+$ADDRESS = '';
+
+$NO_FOOTNODE = 1;
+$NUMBERED_FOOTNOTES = 1;
+
+# Python documentation uses section numbers to support references to match
+# in the printed and online versions.
+#
+$SHOW_SECTION_NUMBERS = 1;
+
+$ICONSERVER = '../icons';
+$IMAGE_TYPE = 'gif';
+
+# Control where the navigation bars should show up:
+$TOP_NAVIGATION = 1;
+$BOTTOM_NAVIGATION = 1;
+$AUTO_NAVIGATION = 0;
+
+$BODYTEXT = '';
+$CHILDLINE = "\n<p><hr>\n";
+$VERBOSITY = 0;
+
+# default # of columns for the indexes
+$INDEX_COLUMNS = 2;
+$MODULE_INDEX_COLUMNS = 4;
+
+
+# A little painful, but lets us clean up the top level directory a little,
+# and not be tied to the current directory (as far as I can tell).  Testing
+# an existing definition of $mydir is needed since it cannot be computed when
+# run under mkhowto with recent versions of LaTeX2HTML, since this file is
+# not read directly by LaTeX2HTML any more.  mkhowto is required to prepend
+# the required definition at the top of the actual input file.
+#
+if (!defined $mydir) {
+    use Cwd;
+    use File::Basename;
+    ($myname, $mydir, $myext) = fileparse(__FILE__, '\..*');
+    chop $mydir;			# remove trailing '/'
+    $mydir = getcwd() . "$dd$mydir"
+        unless $mydir =~ s|^/|/|;
+}
+$LATEX2HTMLSTYLES = "$mydir$envkey$LATEX2HTMLSTYLES";
+push (@INC, $mydir);
+
+($myrootname, $myrootdir, $myext) = fileparse($mydir, '\..*');
+chop $myrootdir;
+
+
+# Hackish way to get the appropriate paper-*/ directory into $TEXINPUTS;
+# pass in the paper size (a4 or letter) as the environment variable PAPER
+# to add the right directory.  If not given, the current directory is
+# added instead for use with HOWTO processing.
+#
+if (defined $ENV{'PAPER'}) {
+    $mytexinputs = "$myrootdir${dd}paper-$ENV{'PAPER'}$envkey";
+}
+else {
+    $mytexinputs = getcwd() . $envkey;
+}
+$mytexinputs .= "$myrootdir${dd}texinputs";
+
+
+# Change this variable to change the text added in "About this document...";
+# this should be an absolute pathname to get it right.
+#
+$ABOUT_FILE = "$myrootdir${dd}html${dd}stdabout.dat";
+
+
+sub custom_driver_hook {
+    #
+    # This adds the directory of the main input file to $TEXINPUTS; it
+    # seems to be sufficiently general that it should be fine for HOWTO
+    # processing.
+    #
+    my $file = @_[0];
+    my($jobname, $dir, $ext) = fileparse($file, '\..*');
+    $dir = L2hos->Make_directory_absolute($dir);
+    $dir =~ s/$dd$//;
+    $TEXINPUTS = "$dir$envkey$mytexinputs";
+    print "\nAdding $dir to \$TEXINPUTS\n";
+}
+
+
+$CUSTOM_BUTTONS = '';
+
+sub make_nav_sectref {
+    my($label,$title) = @_;
+    if ($title) {
+        if ($title =~ /\<[aA] /) {
+            $title =~ s/\<[aA] /<a class="sectref" /;
+        }
+        else {
+            $title = "<span class=\"sectref\">$title</span>";
+        }
+        return "<b class=\"navlabel\">$label:</b> $title\n";
+    }
+    return '';
+}
+
+@my_icon_tags = ();
+$my_icon_tags{'next'} = 'Next Page';
+$my_icon_tags{'next_page'} = 'Next Page';
+$my_icon_tags{'previous'} = 'Previous Page';
+$my_icon_tags{'previous_page'} = 'Previous Page';
+$my_icon_tags{'up'} = 'Up One Level';
+$my_icon_tags{'contents'} = 'Contents';
+$my_icon_tags{'index'} = 'Index';
+$my_icon_tags{'modules'} = 'Module Index';
+
+@my_icon_names = ();
+$my_icon_names{'previous_page'} = 'previous';
+$my_icon_names{'next_page'} = 'next';
+
+sub get_my_icon {
+    my $name = @_[0];
+    my $text = $my_icon_tags{$name};
+    if ($my_icon_names{$name}) {
+        $name = $my_icon_names{$name};
+    }
+    if ($text eq '') {
+        $name = 'blank';
+    }
+    my $iconserver = ($ICONSERVER eq '.') ? '' : "$ICONSERVER/";
+    return "<img src=\"$iconserver$name.$IMAGE_TYPE\"\n  border=\"0\""
+           . " height=\"32\"\n  alt=\"$text\" width=\"32\">";
+}
+
+sub use_my_icon {
+    my $s = @_[0];
+    if ($s =~ /\<tex2html_([a-z_]+)_visible_mark\>/) {
+        my $r = get_my_icon($1);
+        $s =~ s/\<tex2html_[a-z_]+_visible_mark\>/$r/;
+    }
+    return $s;
+}
+
+sub make_nav_panel {
+    my $s;
+    my $BLANK_ICON = get_my_icon('blank');
+    $NEXT = $NEXT_TITLE ? use_my_icon("$NEXT") : $BLANK_ICON;
+    $UP = $UP_TITLE ? use_my_icon("$UP") : $BLANK_ICON;
+    $PREVIOUS = $PREVIOUS_TITLE ? use_my_icon("$PREVIOUS") : $BLANK_ICON;
+    $CONTENTS = use_my_icon("$CONTENTS");
+    $INDEX = $INDEX ? use_my_icon("$INDEX") : $BLANK_ICON;
+    if (!$CUSTOM_BUTTONS) {
+        $CUSTOM_BUTTONS = $BLANK_ICON;
+    }
+    $s = ('<table align="center" width="100%" cellpadding="0" cellspacing="2">'
+          . "\n<tr>"
+          # left-hand side
+          . "\n<td>$PREVIOUS</td>"
+          . "\n<td>$UP</td>"
+          . "\n<td>$NEXT</td>"
+          # title box
+          . "\n<td align=\"center\" width=\"100%\">$t_title</td>"
+          # right-hand side
+          . "\n<td>$CONTENTS</td>"
+          . "\n<td>$CUSTOM_BUTTONS</td>" # module index
+          . "\n<td>$INDEX</td>"
+          . "\n</tr></table>\n"
+          # textual navigation
+          . make_nav_sectref("Previous", $PREVIOUS_TITLE)
+          . make_nav_sectref("Up", $UP_TITLE)
+          . make_nav_sectref("Next", $NEXT_TITLE)
+          );
+    # remove these; they are unnecessary and cause errors from validation
+    $s =~ s/ NAME="tex2html\d+"\n */ /g;
+    return $s;
+}
+
+sub get_version_text {
+    if ($PACKAGE_VERSION ne '' && $t_date) {
+        return ("<span class=\"release-info\">"
+                . "Release $PACKAGE_VERSION,"
+                . " documentation updated on $t_date.</span>");
+    }
+    if ($PACKAGE_VERSION ne '') {
+        return ("<span class=\"release-info\">"
+                . "Release $PACKAGE_VERSION.</span>");
+    }
+    if ($t_date) {
+        return ("<span class=\"release-info\">Documentation released on "
+                . "$t_date.</span>");
+    }
+    return '';
+}
+
+
+sub top_navigation_panel {
+    return "\n"
+           . make_nav_panel()
+           . "<br><hr>\n";
+}
+
+sub bot_navigation_panel {
+    return "\n<p><hr>\n"
+           . make_nav_panel()
+           . "<hr>\n"
+           . get_version_text()
+           . "\n";
+}
+
+sub add_link {
+    # Returns a pair (iconic link, textual link)
+    my($icon, $current_file, @link) = @_;
+    my($dummy, $file, $title) = split($delim,
+				      $section_info{join(' ',@link)});
+    if ($icon =~ /\<tex2html_([_a-z]+)_visible_mark\>/) {
+        my $r = get_my_icon($1);
+        $icon =~ s/\<tex2html_[_a-z]+_visible_mark\>/$r/;
+    }
+    if ($title && ($file ne $current_file)) {
+        $title = purify($title);
+	$title = get_first_words($title, $WORDS_IN_NAVIGATION_PANEL_TITLES);
+	return (make_href($file, $icon), make_href($file, "$title"))
+	}
+    elsif ($icon eq get_my_icon('up') && $EXTERNAL_UP_LINK) {
+ 	return (make_href($EXTERNAL_UP_LINK, $icon),
+		make_href($EXTERNAL_UP_LINK, "$EXTERNAL_UP_TITLE"))
+	}
+    elsif ($icon eq get_my_icon('previous')
+	   && $EXTERNAL_PREV_LINK && $EXTERNAL_PREV_TITLE) {
+	return (make_href($EXTERNAL_PREV_LINK, $icon),
+		make_href($EXTERNAL_PREV_LINK, "$EXTERNAL_PREV_TITLE"))
+	}
+    elsif ($icon eq get_my_icon('next')
+	   && $EXTERNAL_DOWN_LINK && $EXTERNAL_DOWN_TITLE) {
+	return (make_href($EXTERNAL_DOWN_LINK, $icon),
+		make_href($EXTERNAL_DOWN_LINK, "$EXTERNAL_DOWN_TITLE"))
+	}
+    return (&inactive_img($icon), "");
+}
+
+sub add_special_link {
+    my($icon, $file, $current_file) = @_;
+    if ($icon =~ /\<tex2html_([_a-z]+)_visible_mark\>/) {
+        my $r = get_my_icon($1);
+        $icon =~ s/\<tex2html_[_a-z]+_visible_mark\>/$r/;
+    }
+    return (($file && ($file ne $current_file))
+            ? make_href($file, $icon)
+            : undef)
+}
+
+# The img_tag() function seems only to be called with the parameter
+# 'anchor_invisible_mark', which we want to turn into ''.  Since
+# replace_icon_marks() is the only interesting caller, and all it really
+# does is call img_tag(), we can just define the hook alternative to be
+# a no-op instead.
+#
+sub replace_icons_hook {}
+
+sub do_cmd_arabic {
+    # get rid of that nasty <SPAN CLASS="arabic">...</SPAN>
+    my($ctr, $val, $id, $text) = &read_counter_value(@_[0]);
+    return ($val ? farabic($val) : "0") . $text;
+}
+
+
+sub gen_index_id {
+    # this is used to ensure common index key generation and a stable sort
+    my($str,$extra) = @_;
+    sprintf('%s###%s%010d', $str, $extra, ++$global{'max_id'});
+}
+
+sub insert_index {
+    my($mark,$datafile,$columns,$letters,$prefix) = @_;
+    my $prog = "$myrootdir/tools/buildindex.py";
+    my $index;
+    if ($letters) {
+	$index = `$prog --columns $columns --letters $datafile`;
+    }
+    else {
+	$index = `$prog --columns $columns $datafile`;
+    }
+    if (!s/$mark/$prefix$index/) {
+        print "\nCould not locate index mark: $mark";
+    }
+}
+
+sub add_idx {
+    print "\nBuilding HTML for the index ...";
+    close(IDXFILE);
+    insert_index($idx_mark, 'index.dat', $INDEX_COLUMNS, 1, '');
+}
+
+
+$idx_module_mark = '<tex2html_idx_module_mark>';
+$idx_module_title = 'Module Index';
+
+sub add_module_idx {
+    print "\nBuilding HTML for the module index ...";
+    my $key;
+    my $first = 1;
+    my $prevplat = '';
+    my $allthesame = 1;
+    my $prefix = '';
+    foreach $key (keys %Modules) {
+	$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/\1/;
+	my $plat = "$ModulePlatforms{$key}";
+	$plat = ''
+	  if ($plat eq $IGNORE_PLATFORM_ANNOTATION);
+	if (!$first) {
+	    $allthesame = 0
+	      if ($prevplat ne $plat);
+	}
+	else { $first = 0; }
+	$prevplat = $plat;
+    }
+    open(MODIDXFILE, '>modindex.dat') || die "\n$!\n";
+    foreach $key (keys %Modules) {
+	# dump the line in the data file; just use a dummy seqno field
+	my $nkey = $1;
+	my $moditem = "$Modules{$key}";
+	my $plat = '';
+	$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/\1/;
+	if ($ModulePlatforms{$key} && !$allthesame) {
+	    $plat = (" <em>(<span class='platform'>$ModulePlatforms{$key}"
+		     . '</span>)</em>');
+	}
+	print MODIDXFILE $moditem . $IDXFILE_FIELD_SEP
+              . "<tt class='module'>$key</tt>$plat###\n";
+    }
+    close(MODIDXFILE);
+
+    if ($GLOBAL_MODULE_INDEX) {
+        $prefix = <<MODULE_INDEX_PREFIX;
+
+<p> This index only lists modules documented in this manual.
+  The <em class="citetitle"><a href="$GLOBAL_MODULE_INDEX">Global Module
+     Index</a></em> lists all modules that are documented in this set
+  of manuals.</p>
+MODULE_INDEX_PREFIX
+    }
+    if (!$allthesame) {
+	$prefix .= <<PLAT_DISCUSS;
+
+<p> Some module names are followed by an annotation indicating what
+platform they are available on.</p>
+
+PLAT_DISCUSS
+    }
+    insert_index($idx_module_mark, 'modindex.dat', $MODULE_INDEX_COLUMNS, 0,
+		 $prefix);
+}
+
+# replace both indexes as needed:
+sub add_idx_hook {
+    add_idx() if (/$idx_mark/);
+    process_python_state();
+    if ($MODULE_INDEX_FILE) {
+        local ($_);
+        open(MYFILE, "<$MODULE_INDEX_FILE");
+        sysread(MYFILE, $_, 1024*1024);
+        close(MYFILE);
+        add_module_idx();
+        open(MYFILE,">$MODULE_INDEX_FILE");
+        print MYFILE $_;
+        close(MYFILE);
+    }
+}
+
+
+# In addition to the standard stuff, add label to allow named node files and
+# support suppression of the page complete (for HTML Help use).
+sub do_cmd_tableofcontents {
+    local($_) = @_;
+    $TITLE = $toc_title;
+    $tocfile = $CURRENT_FILE;
+    my($closures,$reopens) = preserve_open_tags();
+    anchor_label('contents', $CURRENT_FILE, $_);	# this is added
+    join('', "<BR>\n\\tableofchildlinks[off]", $closures
+	 , make_section_heading($toc_title, 'H2'), $toc_mark
+	 , $reopens, $_);
+}
+# In addition to the standard stuff, add label to allow named node files.
+sub do_cmd_listoffigures {
+    local($_) = @_;
+    $TITLE = $lof_title;
+    $loffile = $CURRENT_FILE;
+    my($closures,$reopens) = preserve_open_tags();
+    anchor_label('lof', $CURRENT_FILE, $_);		# this is added
+    join('', "<BR>\n", $closures
+	 , make_section_heading($lof_title, 'H2'), $lof_mark
+	 , $reopens, $_);
+}
+# In addition to the standard stuff, add label to allow named node files.
+sub do_cmd_listoftables {
+    local($_) = @_;
+    $TITLE = $lot_title;
+    $lotfile = $CURRENT_FILE;
+    my($closures,$reopens) = preserve_open_tags();
+    anchor_label('lot', $CURRENT_FILE, $_);		# this is added
+    join('', "<BR>\n", $closures
+	 , make_section_heading($lot_title, 'H2'), $lot_mark
+	 , $reopens, $_);
+}
+# In addition to the standard stuff, add label to allow named node files.
+sub do_cmd_textohtmlinfopage {
+    local($_) = @_;
+    if ($INFO) {					# 
+	anchor_label("about",$CURRENT_FILE,$_);		# this is added
+    }							#
+    my $the_version = '';				# and the rest is
+    if ($t_date) {					# mostly ours
+	$the_version = ",\n$t_date";
+	if ($PACKAGE_VERSION) {
+	    $the_version .= ", Release $PACKAGE_VERSION";
+	}
+    }
+    $_ = (($INFO == 1)
+          ? join('',
+                 $close_all,
+                 "<strong>$t_title</strong>$the_version\n",
+                 `cat $ABOUT_FILE`,
+                 $open_all, $_)
+          : join('', $close_all, $INFO,"\n", $open_all, $_));
+    $_;
+}
+
+# $idx_mark will be replaced with the real index at the end
+sub do_cmd_textohtmlindex {
+    local($_) = @_;
+    $TITLE = $idx_title;
+    $idxfile = $CURRENT_FILE;
+    if (%index_labels) { make_index_labels(); }
+    if (($SHORT_INDEX) && (%index_segment)) { make_preindex(); }
+    else { $preindex = ''; }
+    my $heading = make_section_heading($idx_title, 'h2') . $idx_mark;
+    my($pre,$post) = minimize_open_tags($heading);
+    anchor_label('genindex',$CURRENT_FILE,$_);		# this is added
+    return "<br>\n" . $pre . $_;
+}
+
+$MODULE_INDEX_FILE = '';
+
+# $idx_module_mark will be replaced with the real index at the end
+sub do_cmd_textohtmlmoduleindex {
+    local($_) = @_;
+    $TITLE = $idx_module_title;
+    anchor_label('modindex', $CURRENT_FILE, $_);
+    $MODULE_INDEX_FILE = "$CURRENT_FILE";
+    $_ = ('<p>' . make_section_heading($idx_module_title, 'h2')
+          . $idx_module_mark . $_);
+    return $_;
+}
+
+# The bibliography and the index should be treated as separate
+# sections in their own HTML files. The \bibliography{} command acts
+# as a sectioning command that has the desired effect. But when the
+# bibliography is constructed manually using the thebibliography
+# environment, or when using the theindex environment it is not
+# possible to use the normal sectioning mechanism. This subroutine
+# inserts a \bibliography{} or a dummy \textohtmlindex command just
+# before the appropriate environments to force sectioning.
+
+# XXX	This *assumes* that if there are two {theindex} environments,
+#	the first is the module index and the second is the standard
+#	index.  This is sufficient for the current Python documentation,
+#	but that's about it.
+
+sub add_bbl_and_idx_dummy_commands {
+    my $id = $global{'max_id'};
+
+    s/([\\]begin\s*$O\d+$C\s*thebibliography)/$bbl_cnt++; $1/eg;
+    s/([\\]begin\s*$O\d+$C\s*thebibliography)/$id++; "\\bibliography$O$id$C$O$id$C $1"/geo;
+    my(@parts) = split(/\\begin\s*$O\d+$C\s*theindex/);
+    if (scalar(@parts) == 3) {
+        # Be careful to re-write the string in place, since $_ is *not*
+        # returned explicity;  *** nasty side-effect dependency! ***
+        print "\nadd_bbl_and_idx_dummy_commands ==> adding module index";
+        my $rx = "([\\\\]begin\\s*$O\\d+$C\\s*theindex[\\s\\S]*)"
+          . "([\\\\]begin\\s*$O\\d+$C\\s*theindex)";
+        s/$rx/\\textohtmlmoduleindex \1 \\textohtmlindex \2/o;
+        # Add a button to the navigation areas:
+        $CUSTOM_BUTTONS .= ('<a href="modindex.html" title="Module Index">'
+                            . get_my_icon('modules')
+                            . '</a>');
+    }
+    else {
+        $CUSTOM_BUTTONS .= get_my_icon('blank');
+        $global{'max_id'} = $id; # not sure why....
+        s/([\\]begin\s*$O\d+$C\s*theindex)/\\textohtmlindex $1/o;
+	    s/[\\]printindex/\\textohtmlindex /o;
+	}
+    #----------------------------------------------------------------------
+    lib_add_bbl_and_idx_dummy_commands()
+        if defined(&lib_add_bbl_and_idx_dummy_commands);
+}
+
+# The bibliographic references, the appendices, the lists of figures
+# and tables etc. must appear in the contents table at the same level
+# as the outermost sectioning command. This subroutine finds what is
+# the outermost level and sets the above to the same level;
+
+sub set_depth_levels {
+    # Sets $outermost_level
+    my $level;
+    #RRM:  do not alter user-set value for  $MAX_SPLIT_DEPTH
+    foreach $level ("part", "chapter", "section", "subsection",
+		    "subsubsection", "paragraph") {
+	last if (($outermost_level) = /\\($level)$delimiter_rx/);
+    }
+    $level = ($outermost_level ? $section_commands{$outermost_level} :
+	      do {$outermost_level = 'section'; 3;});
+
+    #RRM:  but calculate value for $MAX_SPLIT_DEPTH when a $REL_DEPTH was given
+    if ($REL_DEPTH && $MAX_SPLIT_DEPTH) { 
+	$MAX_SPLIT_DEPTH = $level + $MAX_SPLIT_DEPTH;
+    } elsif (!($MAX_SPLIT_DEPTH)) { $MAX_SPLIT_DEPTH = 1 };
+
+    %unnumbered_section_commands = ('tableofcontents' => $level,
+				    'listoffigures' => $level,
+				    'listoftables' => $level,
+				    'bibliography' => $level,
+				    'textohtmlindex' => $level,
+				    'textohtmlmoduleindex' => $level);
+    $section_headings{'textohtmlmoduleindex'} = 'h1';
+
+    %section_commands = (%unnumbered_section_commands,
+			 %section_commands);
+
+    make_sections_rx();
+}
+
+
+# This changes the markup used for {verbatim} environments, and is the
+# best way I've found that ensures the <dl> goes on the outside of the
+# <pre>...</pre>.
+#
+# Note that this *must* be done in the init file, not the python.perl
+# style support file.  The %declarations must be set before
+# initialize() is called in the main LaTeX2HTML script (which happens
+# before style files are loaded).
+#
+%declarations = ('preform' => '<dl><dd><pre class="verbatim"></pre></dl>',
+		 %declarations);
+
+
+# This is added to get rid of the long comment that follows the
+# doctype declaration; MSIE5 on NT4 SP4 barfs on it and drops the
+# content of the page.
+sub make_head_and_body {
+    my($title, $body) = @_;
+    $body = " $body" unless ($body eq '');
+    my $DTDcomment = '';
+    my($version, $isolanguage) = ($HTML_VERSION, 'EN');
+    my %isolanguages = (  'english',  'EN'   , 'USenglish', 'EN.US'
+                        , 'original', 'EN'   , 'german'   , 'DE'
+                        , 'austrian', 'DE.AT', 'french'   , 'FR'
+                        , 'spanish',  'ES');
+    $isolanguage = $isolanguages{$default_language};
+    $isolanguage = 'EN' unless $isolanguage;
+    $title = &purify($title,1);
+    eval("\$title = ". $default_title ) unless ($title);
+
+    # allow user-modification of the <TITLE> tag; thanks Dan Young
+    if (defined &custom_TITLE_hook) {
+	$title = &custom_TITLE_hook($title, $toc_sec_title);
+    }
+
+    if ($DOCTYPE =~ /\/\/[\w\.]+\s*$/) { # language spec included
+	$DTDcomment = "<!DOCTYPE html PUBLIC \"$DOCTYPE\">\n";
+    } else {
+	$DTDcomment = "<!DOCTYPE html PUBLIC \"$DOCTYPE//"
+	    . ($ISO_LANGUAGE ? $ISO_LANGUAGE : $isolanguage) . "\">\n";
+    }
+
+    $STYLESHEET = $FILE.".css" unless $STYLESHEET;
+    if (!$charset && $CHARSET) { $charset = $CHARSET; $charset =~ s/_/\-/go; }
+
+    join('', ($DOCTYPE ? $DTDcomment : '' )
+	,"<html>\n<head>\n<title>", $title, "</title>\n"
+	, &meta_information($title)
+	, ($CHARSET && $HTML_VERSION ge "2.1" ?
+           "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=$charset\">\n"
+           : "" )
+	, ($BASE ? "<base href=\"$BASE\">\n" : "" )
+	, "<link rel=\"STYLESHEET\" href=\"$STYLESHEET\">"
+	, $more_links_mark
+	, "\n</head>\n<body$body>");
+}
+
+1;	# This must be the last line
diff --git a/doc/tools/perl/ltxmarkup.perl b/doc/tools/perl/ltxmarkup.perl
new file mode 100644
index 0000000..290e79b
--- /dev/null
+++ b/doc/tools/perl/ltxmarkup.perl
@@ -0,0 +1,67 @@
+# LaTeX2HTML support for the ltxmarkup package.  Doesn't do indexing.
+
+package main;
+
+
+sub ltx_next_argument{
+    my $param;
+    $param = missing_braces()
+      unless ((s/$next_pair_pr_rx/$param=$2;''/eo)
+	      ||(s/$next_pair_rx/$param=$2;''/eo));
+    return $param;
+}
+
+
+sub do_cmd_macro{
+    local($_) = @_;
+    my $macro = ltx_next_argument();
+    return "<tt class='macro'>&#92;$macro</tt>" . $_;
+}
+
+sub do_cmd_env{
+    local($_) = @_;
+    my $env = ltx_next_argument();
+    return "<tt class='environment'>&#92;$env</tt>" . $_;
+}
+
+sub ltx_process_params{
+    # Handle processing of \p and \op for parameter specifications for
+    # envdesc and macrodesc.  It's done this way to avoid defining do_cmd_p()
+    # and do_cmd_op() functions, which would be interpreted outside the context
+    # in which these commands are legal, and cause LaTeX2HTML to think they're
+    # defined.  This way, other uses of \p and \op are properly flagged as
+    # unknown macros.
+    my $s = @_[0];
+    $s =~ s%\\op<<(\d+)>>(.+)<<\1>>%<tt>[</tt><var>$2</var><tt>]</tt>%;
+    while ($s =~ /\\p<<(\d+)>>(.+)<<\1>>/) {
+	$s =~ s%\\p<<(\d+)>>(.+)<<\1>>%<tt>{</tt><var>$2</var><tt>}</tt>%;
+    }
+    return $s;
+}
+
+sub do_env_macrodesc{
+    local($_) = @_;
+    my $macro = ltx_next_argument();
+    my $params = ltx_process_params(ltx_next_argument());
+    return "\n<dl class='macrodesc'>"
+         . "\n<dt><b><tt class='macro'>&#92;$macro</tt></b>"
+         . "\n    $params"
+	 . "\n<dd>"
+	 . $_
+	 . "</dl>";
+}
+
+sub do_env_envdesc{
+    local($_) = @_;
+    my $env = ltx_next_argument();
+    my $params = ltx_process_params(ltx_next_argument());
+    return "\n<dl class='envdesc'>"
+         . "\n<dt><tt>&#92;begin{<b class='environment'>$env</b>}</tt>"
+         . "\n    $params"
+         . "\n<br /><tt>&#92;end{<b class='environment'>$env</b>}</tt>"
+	 . "\n<dd>"
+	 . $_
+	 . "</dl>";
+}
+
+1;				# Must end with this, because Perl is bogus.
diff --git a/doc/tools/perl/manual.perl b/doc/tools/perl/manual.perl
new file mode 100644
index 0000000..ea65b36
--- /dev/null
+++ b/doc/tools/perl/manual.perl
@@ -0,0 +1,15 @@
+# -*- perl -*-
+#
+# This implements the Python manual class.  All it really needs to do it
+# load the "python" style.  The style code is not moved into the class code
+# at this time, since we expect additional document class to be developed
+# for the Python documentation in the future.  Appropriate relocations will
+# be made at that time.
+
+package main;
+
+do_require_package("report");
+do_require_package("alltt");
+do_require_package("python");
+
+1;				# sheesh....
diff --git a/doc/tools/perl/python.perl b/doc/tools/perl/python.perl
new file mode 100644
index 0000000..20615cc
--- /dev/null
+++ b/doc/tools/perl/python.perl
@@ -0,0 +1,1651 @@
+# python.perl by Fred L. Drake, Jr. <fdrake@acm.org>		-*- perl -*-
+#
+# Heavily based on Guido van Rossum's myformat.perl (now obsolete).
+#
+# Extension to LaTeX2HTML for documents using myformat.sty.
+# Subroutines of the form do_cmd_<name> here define translations
+# for LaTeX commands \<name> defined in the corresponding .sty file.
+
+package main;
+
+use File::Basename;
+
+
+sub next_argument{
+    my $param;
+    $param = missing_braces()
+      unless ((s/$next_pair_pr_rx/$param=$2;''/eo)
+	      ||(s/$next_pair_rx/$param=$2;''/eo));
+    return $param;
+}
+
+sub next_optional_argument{
+    my($param,$rx) = ('', "^\\s*(\\[([^]]*)\\])?");
+    s/$rx/$param=$2;''/eo;
+    return $param;
+}
+
+sub make_icon_filename($){
+    my($myname, $mydir, $myext) = fileparse(@_[0], '\..*');
+    chop $mydir;
+    if ($mydir eq '.') {
+        $mydir = $ICONSERVER;
+    }
+    $myext = ".$IMAGE_TYPE"
+      unless $myext;
+    return "$mydir$dd$myname$myext";
+}
+
+sub get_link_icon($){
+    my $url = @_[0];
+    if ($OFF_SITE_LINK_ICON && ($url =~ /^[-a-zA-Z0-9.]+:/)) {
+        # absolute URL; assume it points off-site
+        my $icon = make_icon_filename($OFF_SITE_LINK_ICON);
+        return (" <img src='$icon'\n"
+                . "  border='0' class='offsitelink'"
+                . ($OFF_SITE_LINK_ICON_HEIGHT
+                   ? " height='$OFF_SITE_LINK_ICON_HEIGHT'"
+                   : '')
+                . ($OFF_SITE_LINK_ICON_WIDTH
+                   ? " width='$OFF_SITE_LINK_ICON_WIDTH'"
+                   : '')
+                . " alt='[off-site link]'\n"
+                . "  >");
+    }
+    return '';
+}
+
+# This is a fairly simple hack; it supports \let when it is used to create
+# (or redefine) a macro to exactly be some other macro: \let\newname=\oldname.
+# Many possible uses of \let aren't supported or aren't supported correctly.
+#
+sub do_cmd_let{
+    local($_) = @_;
+    my $matched = 0;
+    s/[\\]([a-zA-Z]+)\s*(=\s*)?[\\]([a-zA-Z]*)/$matched=1; ''/e;
+    if ($matched) {
+	my($new, $old) = ($1, $3);
+	eval "sub do_cmd_$new { do_cmd_$old" . '(@_); }';
+	print "\ndefining handler for \\$new using \\$old\n";
+    }
+    else {
+	s/[\\]([a-zA-Z]+)\s*(=\s*)?([^\\])/$matched=1; ''/es;
+	if ($matched) {
+	    my($new, $char) = ($1, $3);
+	    eval "sub do_cmd_$new { \"\\$char\" . \@_[0]; }";
+	    print "\ndefining handler for \\$new to insert '$char'\n";
+	}
+	else {
+	    write_warnings("Could not interpret \\let construct...");
+	}
+    }
+    return $_;
+}
+
+
+# the older version of LaTeX2HTML we use doesn't support this, but we use it:
+
+sub do_cmd_textasciitilde{ '~' . @_[0]; }
+
+
+# words typeset in a special way (not in HTML though)
+
+sub do_cmd_ABC{ 'ABC' . @_[0]; }
+sub do_cmd_UNIX{ 'Unix'. @_[0]; }
+sub do_cmd_ASCII{ 'ASCII' . @_[0]; }
+sub do_cmd_POSIX{ 'POSIX' . @_[0]; }
+sub do_cmd_C{ 'C' . @_[0]; }
+sub do_cmd_Cpp{ 'C++' . @_[0]; }
+sub do_cmd_EOF{ 'EOF' . @_[0]; }
+sub do_cmd_NULL{ '<tt class="constant">NULL</tt>' . @_[0]; }
+
+sub do_cmd_e{ '&#92;' . @_[0]; }
+
+$DEVELOPER_ADDRESS = '';
+$SHORT_VERSION = '';
+$PACKAGE_VERSION = '';
+
+sub do_cmd_version{ $PACKAGE_VERSION . @_[0]; }
+sub do_cmd_shortversion{ $SHORT_VERSION . @_[0]; }
+sub do_cmd_release{
+    local($_) = @_;
+    $PACKAGE_VERSION = next_argument();
+    return $_;
+}
+
+sub do_cmd_setshortversion{
+    local($_) = @_;
+    $SHORT_VERSION = next_argument();
+    return $_;
+}
+
+sub do_cmd_authoraddress{
+    local($_) = @_;
+    $DEVELOPER_ADDRESS = next_argument();
+    return $_;
+}
+
+#sub do_cmd_developer{ do_cmd_author(@_[0]); }
+#sub do_cmd_developers{ do_cmd_author(@_[0]); }
+#sub do_cmd_developersaddress{ do_cmd_authoraddress(@_[0]); }
+
+sub do_cmd_hackscore{
+    local($_) = @_;
+    next_argument();
+    return '_' . $_;
+}
+
+sub use_wrappers{
+    local($_,$before,$after) = @_;
+    my $stuff = next_argument();
+    return $before . $stuff . $after . $_;
+}
+
+$IN_DESC_HANDLER = 0;
+sub do_cmd_optional{
+    if ($IN_DESC_HANDLER) {
+        return use_wrappers(@_[0], "</var><big>\[</big><var>",
+                            "</var><big>\]</big><var>");
+    }
+    else {
+        return use_wrappers(@_[0], "<big>\[</big>", "<big>\]</big>");
+    }
+}
+
+# Logical formatting (some based on texinfo), needs to be converted to
+# minimalist HTML.  The "minimalist" is primarily to reduce the size of
+# output files for users that read them over the network rather than
+# from local repositories.
+
+# \file and \samp are at the end of this file since they screw up fontlock.
+
+sub do_cmd_pytype{ return @_[0]; }
+sub do_cmd_makevar{
+    return use_wrappers(@_[0], '<span class="makevar">', '</span>'); }
+sub do_cmd_code{
+    return use_wrappers(@_[0], '<code>', '</code>'); }
+sub do_cmd_module{
+    return use_wrappers(@_[0], '<tt class="module">', '</tt>'); }
+sub do_cmd_keyword{
+    return use_wrappers(@_[0], '<tt class="keyword">', '</tt>'); }
+sub do_cmd_exception{
+    return use_wrappers(@_[0], '<tt class="exception">', '</tt>'); }
+sub do_cmd_class{
+    return use_wrappers(@_[0], '<tt class="class">', '</tt>'); }
+sub do_cmd_function{
+    return use_wrappers(@_[0], '<tt class="function">', '</tt>'); }
+sub do_cmd_constant{
+    return use_wrappers(@_[0], '<tt class="constant">', '</tt>'); }
+sub do_cmd_member{
+    return use_wrappers(@_[0], '<tt class="member">', '</tt>'); }
+sub do_cmd_method{
+    return use_wrappers(@_[0], '<tt class="method">', '</tt>'); }
+sub do_cmd_cfunction{
+    return use_wrappers(@_[0], '<tt class="cfunction">', '</tt>'); }
+sub do_cmd_cdata{
+    return use_wrappers(@_[0], '<tt class="cdata">', '</tt>'); }
+sub do_cmd_ctype{
+    return use_wrappers(@_[0], '<tt class="ctype">', '</tt>'); }
+sub do_cmd_regexp{
+    return use_wrappers(@_[0], '<tt class="regexp">', '</tt>'); }
+sub do_cmd_character{
+    return use_wrappers(@_[0], '"<tt class="character">', '</tt>"'); }
+sub do_cmd_program{
+    return use_wrappers(@_[0], '<b class="program">', '</b>'); }
+sub do_cmd_programopt{
+    return use_wrappers(@_[0], '<b class="programopt">', '</b>'); }
+sub do_cmd_longprogramopt{
+    # note that the --- will be later converted to -- by LaTeX2HTML
+    return use_wrappers(@_[0], '<b class="programopt">---', '</b>'); }
+sub do_cmd_email{
+    return use_wrappers(@_[0], '<span class="email">', '</span>'); }
+sub do_cmd_mimetype{
+    return use_wrappers(@_[0], '<span class="mimetype">', '</span>'); }
+sub do_cmd_var{
+    return use_wrappers(@_[0], "<var>", "</var>"); }
+sub do_cmd_dfn{
+    return use_wrappers(@_[0], '<i class="dfn">', '</i>'); }
+sub do_cmd_emph{
+    return use_wrappers(@_[0], '<i>', '</i>'); }
+sub do_cmd_file{
+    return use_wrappers(@_[0], '<span class="file">', '</span>'); }
+sub do_cmd_filenq{
+    return do_cmd_file(@_[0]); }
+sub do_cmd_samp{
+    return use_wrappers(@_[0], '"<tt class="samp">', '</tt>"'); }
+sub do_cmd_kbd{
+    return use_wrappers(@_[0], '<kbd>', '</kbd>'); }
+sub do_cmd_strong{
+    return use_wrappers(@_[0], '<b>', '</b>'); }
+sub do_cmd_textbf{
+    return use_wrappers(@_[0], '<b>', '</b>'); }
+sub do_cmd_textit{
+    return use_wrappers(@_[0], '<i>', '</i>'); }
+
+sub do_cmd_moreargs{
+    return '...' . @_[0]; }
+sub do_cmd_unspecified{
+    return '...' . @_[0]; }
+
+
+sub do_cmd_refmodule{
+    # Insert the right magic to jump to the module definition.
+    local($_) = @_;
+    my $key = next_optional_argument();
+    my $module = next_argument();
+    $key = $module
+        unless $key;
+    return "<tt class='module'><a href='module-$key.html'>$module</a></tt>"
+      . $_;
+}
+
+sub do_cmd_newsgroup{
+    local($_) = @_;
+    my $newsgroup = next_argument();
+    my $icon = get_link_icon("news:$newsgroup");
+    my $stuff = "<a class='newsgroup' href='news:$newsgroup'>"
+      . "$newsgroup$icon</a>";
+    return $stuff . $_;
+}
+
+sub do_cmd_envvar{
+    local($_) = @_;
+    my $envvar = next_argument();
+    my($name,$aname,$ahref) = new_link_info();
+    # The <tt> here is really to keep buildindex.py from making
+    # the variable name case-insensitive.
+    add_index_entry("environment variables!$envvar@<tt>$envvar</tt>",
+		    $ahref);
+    add_index_entry("$envvar (environment variable)", $ahref);
+    $aname =~ s/<a/<a class="envvar"/;
+    return "$aname$envvar</a>" . $_;
+}
+
+sub do_cmd_url{
+    # use the URL as both text and hyperlink
+    local($_) = @_;
+    my $url = next_argument();
+    my $icon = get_link_icon($url);
+    $url =~ s/~/&#126;/g;
+    return "<a class=\"url\" href=\"$url\">$url$icon</a>" . $_;
+}
+
+sub do_cmd_manpage{
+    # two parameters:  \manpage{name}{section}
+    local($_) = @_;
+    my $page = next_argument();
+    my $section = next_argument();
+    return "<span class='manpage'><i>$page</i>($section)</span>" . $_;
+}
+
+$PEP_FORMAT = "http://python.sourceforge.net/peps/pep-XXXX.html";
+$RFC_FORMAT = "http://www.ietf.org/rfc/rfcXXXX.txt";
+
+sub get_rfc_url($$){
+    my($rfcnum, $format) = @_;
+    $rfcnum = sprintf("%04d", $rfcnum);
+    $format = "$format";
+    $format =~ s/XXXX/$rfcnum/;
+    return $format;
+}
+
+sub do_cmd_pep{
+    local($_) = @_;
+    my $rfcnumber = next_argument();
+    my $id = "rfcref-" . ++$global{'max_id'};
+    my $href = get_rfc_url($rfcnumber, $PEP_FORMAT);
+    my $icon = get_link_icon($href);
+    # Save the reference
+    my $nstr = gen_index_id("Python Enhancement Proposals!PEP $rfcnumber", '');
+    $index{$nstr} .= make_half_href("$CURRENT_FILE#$id");
+    return ("<a class=\"rfc\" name=\"$id\"\nhref=\"$href\">PEP $rfcnumber"
+            . "$icon</a>" . $_);
+}
+
+sub do_cmd_rfc{
+    local($_) = @_;
+    my $rfcnumber = next_argument();
+    my $id = "rfcref-" . ++$global{'max_id'};
+    my $href = get_rfc_url($rfcnumber, $RFC_FORMAT);
+    my $icon = get_link_icon($href);
+    # Save the reference
+    my $nstr = gen_index_id("RFC!RFC $rfcnumber", '');
+    $index{$nstr} .= make_half_href("$CURRENT_FILE#$id");
+    return ("<a class=\"rfc\" name=\"$id\"\nhref=\"$href\">RFC $rfcnumber"
+            . "$icon</a>" . $_);
+}
+
+sub do_cmd_citetitle{
+    local($_) = @_;
+    my $url = next_optional_argument();
+    my $title = next_argument();
+    my $icon = get_link_icon($url);
+    my $repl = '';
+    if ($url) {
+        $repl = ("<em class='citetitle'><a\n"
+                 . " href='$url'\n"
+                 . " title='$title'\n"
+                 . " >$title$icon</a></em>");
+    }
+    else {
+        $repl = "<em class='citetitle'\n >$title</em>";
+    }
+    return $repl . $_;
+}
+
+sub do_cmd_deprecated{
+    # two parameters:  \deprecated{version}{whattodo}
+    local($_) = @_;
+    my $release = next_argument();
+    my $reason = next_argument();
+    return ('<div class="versionnote">'
+            . "<b>Deprecated since release $release.</b>"
+            . "\n$reason</div><p>"
+            . $_);
+}
+
+sub do_cmd_versionadded{
+    # one parameter:  \versionadded{version}
+    local($_) = @_;
+    my $release = next_argument();
+    return ("\n<span class='versionnote'>New in version $release.</span>\n"
+            . $_);
+}
+
+sub do_cmd_versionchanged{
+    # one parameter:  \versionchanged{version}
+    local($_) = @_;
+    my $explanation = next_optional_argument();
+    my $release = next_argument();
+    my $text = "Changed in version $release.";
+    if ($explanation) {
+        $text = "Changed in version $release:\n$explanation.";
+    }
+    return "\n<span class='versionnote'>$text</span>\n" . $_;
+}
+
+#
+# These function handle platform dependency tracking.
+#
+sub do_cmd_platform{
+    local($_) = @_;
+    my $platform = next_argument();
+    $ModulePlatforms{"<tt class='module'>$THIS_MODULE</tt>"} = $platform;
+    $platform = "Macintosh"
+      if $platform eq 'Mac';
+    return "\n<p class='availability'>Availability: <span"
+      . "\n class='platform'>$platform</span>.</p>\n" . $_;
+}
+
+$IGNORE_PLATFORM_ANNOTATION = '';
+sub do_cmd_ignorePlatformAnnotation{
+    local($_) = @_;
+    $IGNORE_PLATFORM_ANNOTATION = next_argument();
+    return $_;
+}
+
+
+# index commands
+
+$INDEX_SUBITEM = "";
+
+sub get_indexsubitem{
+    return $INDEX_SUBITEM ? " $INDEX_SUBITEM" : '';
+}
+
+sub do_cmd_setindexsubitem{
+    local($_) = @_;
+    $INDEX_SUBITEM = next_argument();
+    return $_;
+}
+
+sub do_cmd_withsubitem{
+    # We can't really do the right thing, because LaTeX2HTML doesn't
+    # do things in the right order, but we need to at least strip this stuff
+    # out, and leave anything that the second argument expanded out to.
+    #
+    local($_) = @_;
+    my $oldsubitem = $INDEX_SUBITEM;
+    $INDEX_SUBITEM = next_argument();
+    my $stuff = next_argument();
+    my $br_id = ++$globals{'max_id'};
+    my $marker = "$O$br_id$C";
+    return
+      $stuff
+      . "\\setindexsubitem$marker$oldsubitem$marker"
+      . $_;
+}
+
+# This is the prologue macro which is required to start writing the
+# mod\jobname.idx file; we can just ignore it.  (Defining this suppresses
+# a warning that \makemodindex is unknown.)
+#
+sub do_cmd_makemodindex{ return @_[0]; }
+
+# We're in the document subdirectory when this happens!
+#
+open(IDXFILE, '>index.dat') || die "\n$!\n";
+open(INTLABELS, '>intlabels.pl') || die "\n$!\n";
+print INTLABELS "%internal_labels = ();\n";
+print INTLABELS "1;		# hack in case there are no entries\n\n";
+
+# Using \0 for this is bad because we can't use common tools to work with the
+# resulting files.  Things like grep can be useful with this stuff!
+#
+$IDXFILE_FIELD_SEP = "\1";
+
+sub write_idxfile{
+    my ($ahref, $str) = @_;
+    print IDXFILE $ahref, $IDXFILE_FIELD_SEP, $str, "\n";
+}
+
+
+sub gen_link{
+    my($node,$target) = @_;
+    print INTLABELS "\$internal_labels{\"$target\"} = \"$URL/$node\";\n";
+    return "<a href='$node#$target'>";
+}
+
+sub add_index_entry{
+    # add an entry to the index structures; ignore the return value
+    my($str,$ahref) = @_;
+    $str = gen_index_id($str, '');
+    $index{$str} .= $ahref;
+    write_idxfile($ahref, $str);
+}
+
+sub new_link_info{
+    my $name = "l2h-" . ++$globals{'max_id'};
+    my $aname = "<a name='$name'>";
+    my $ahref = gen_link($CURRENT_FILE, $name);
+    return ($name, $aname, $ahref);
+}
+
+$IndexMacroPattern = '';
+sub define_indexing_macro{
+    my $count = @_;
+    my $i = 0;
+    for (; $i < $count; ++$i) {
+	my $name = @_[$i];
+	my $cmd = "idx_cmd_$name";
+	die "\nNo function $cmd() defined!\n"
+	  if (!defined &$cmd);
+	eval ("sub do_cmd_$name { return process_index_macros("
+	      . "\@_[0], '$name'); }");
+	if (length($IndexMacroPattern) == 0) {
+	    $IndexMacroPattern = "$name";
+	}
+	else {
+	    $IndexMacroPattern .= "|$name";
+	}
+    }
+}
+
+$DEBUG_INDEXING = 0;
+sub process_index_macros{
+    local($_) = @_;
+    my $cmdname = @_[1];	# This is what triggered us in the first place;
+				# we know it's real, so just process it.
+    my($name,$aname,$ahref) = new_link_info();
+    my $cmd = "idx_cmd_$cmdname";
+    print "\nIndexing: \\$cmdname"
+      if $DEBUG_INDEXING;
+    &$cmd($ahref);		# modifies $_ and adds index entries
+    while (/^[\s\n]*\\($IndexMacroPattern)</) {
+	$cmdname = "$1";
+	print " \\$cmdname"
+	  if $DEBUG_INDEXING;
+	$cmd = "idx_cmd_$cmdname";
+	if (!defined &$cmd) {
+	    last;
+	}
+	else {
+	    s/^[\s\n]*\\$cmdname//;
+	    &$cmd($ahref);
+	}
+    }
+    if (/^[ \t\r\n]/) {
+        $_ = substr($_, 1);
+    }
+    return "$aname$anchor_invisible_mark</a>" . $_;
+}
+
+define_indexing_macro('index');
+sub idx_cmd_index{
+    my $str = next_argument();
+    add_index_entry("$str", @_[0]);
+}
+
+define_indexing_macro('kwindex');
+sub idx_cmd_kwindex{
+    my $str = next_argument();
+    add_index_entry("<tt>$str</tt>!keyword", @_[0]);
+    add_index_entry("keyword!<tt>$str</tt>", @_[0]);
+}
+
+define_indexing_macro('indexii');
+sub idx_cmd_indexii{
+    my $str1 = next_argument();
+    my $str2 = next_argument();
+    add_index_entry("$str1!$str2", @_[0]);
+    add_index_entry("$str2!$str1", @_[0]);
+}
+
+define_indexing_macro('indexiii');
+sub idx_cmd_indexiii{
+    my $str1 = next_argument();
+    my $str2 = next_argument();
+    my $str3 = next_argument();
+    add_index_entry("$str1!$str2 $str3", @_[0]);
+    add_index_entry("$str2!$str3, $str1", @_[0]);
+    add_index_entry("$str3!$str1 $str2", @_[0]);
+}
+
+define_indexing_macro('indexiv');
+sub idx_cmd_indexiv{
+    my $str1 = next_argument();
+    my $str2 = next_argument();
+    my $str3 = next_argument();
+    my $str4 = next_argument();
+    add_index_entry("$str1!$str2 $str3 $str4", @_[0]);
+    add_index_entry("$str2!$str3 $str4, $str1", @_[0]);
+    add_index_entry("$str3!$str4, $str1 $str2", @_[0]);
+    add_index_entry("$str4!$$str1 $str2 $str3", @_[0]);
+}
+
+define_indexing_macro('ttindex');
+sub idx_cmd_ttindex{
+    my $str = next_argument();
+    my $entry = $str . get_indexsubitem();
+    add_index_entry($entry, @_[0]);
+}
+
+sub my_typed_index_helper{
+    my($word,$ahref) = @_;
+    my $str = next_argument();
+    add_index_entry("$str $word", $ahref);
+    add_index_entry("$word!$str", $ahref);
+}
+
+define_indexing_macro('stindex', 'opindex', 'exindex', 'obindex');
+sub idx_cmd_stindex{ my_typed_index_helper('statement', @_[0]); }
+sub idx_cmd_opindex{ my_typed_index_helper('operator', @_[0]); }
+sub idx_cmd_exindex{ my_typed_index_helper('exception', @_[0]); }
+sub idx_cmd_obindex{ my_typed_index_helper('object', @_[0]); }
+
+define_indexing_macro('bifuncindex');
+sub idx_cmd_bifuncindex{
+    my $str = next_argument();
+    add_index_entry("<tt class='function'>$str()</tt> (built-in function)",
+                    @_[0]);
+}
+
+
+sub make_mod_index_entry{
+    my($str,$define) = @_;
+    my($name,$aname,$ahref) = new_link_info();
+    # equivalent of add_index_entry() using $define instead of ''
+    $ahref =~ s/\#[-_a-zA-Z0-9]*\"/\"/
+      if ($define eq 'DEF');
+    $str = gen_index_id($str, $define);
+    $index{$str} .= $ahref;
+    write_idxfile($ahref, $str);
+
+    if ($define eq 'DEF') {
+	# add to the module index
+        $str =~ /(<tt.*<\/tt>)/;
+        my $nstr = $1;
+	$Modules{$nstr} .= $ahref;
+    }
+    return "$aname$anchor_invisible_mark2</a>";
+}
+
+
+$THIS_MODULE = '';
+$THIS_CLASS = '';
+
+sub define_module{
+    my($word,$name) = @_;
+    my $section_tag = join('', @curr_sec_id);
+    if ($word ne "built-in" && $word ne "extension"
+	&& $word ne "standard" && $word ne "") {
+	write_warnings("Bad module type '$word'"
+		       . " for \\declaremodule (module $name)");
+	$word = "";
+    }
+    $word = "$word " if $word;
+    $THIS_MODULE = "$name";
+    $INDEX_SUBITEM = "(in module $name)";
+    print "[$name]";
+    return make_mod_index_entry(
+        "<tt class='module'>$name</tt> (${word}module)", 'DEF');
+}
+
+sub my_module_index_helper{
+    local($word, $_) = @_;
+    my $name = next_argument();
+    return define_module($word, $name) . $_;
+}
+
+sub do_cmd_modindex{ return my_module_index_helper('', @_); }
+sub do_cmd_bimodindex{ return my_module_index_helper('built-in', @_); }
+sub do_cmd_exmodindex{ return my_module_index_helper('extension', @_); }
+sub do_cmd_stmodindex{ return my_module_index_helper('standard', @_); }
+
+sub ref_module_index_helper{
+    my($word, $ahref) = @_;
+    my $str = next_argument();
+    $word = "$word " if $word;
+    $str = "<tt class='module'>$str</tt> (${word}module)";
+    # can't use add_index_entry() since the 2nd arg to gen_index_id() is used;
+    # just inline it all here
+    $str = gen_index_id($str, 'REF');
+    $index{$str} .= $ahref;
+    write_idxfile($ahref, $str);
+}
+
+# these should be adjusted a bit....
+define_indexing_macro('refmodindex', 'refbimodindex',
+		      'refexmodindex', 'refstmodindex');
+sub idx_cmd_refmodindex{ return ref_module_index_helper('', @_); }
+sub idx_cmd_refbimodindex{ return ref_module_index_helper('built-in', @_); }
+sub idx_cmd_refexmodindex{ return ref_module_index_helper('extension', @_); }
+sub idx_cmd_refstmodindex{ return ref_module_index_helper('standard', @_); }
+
+sub do_cmd_nodename{ return do_cmd_label(@_); }
+
+sub init_myformat{
+    $anchor_invisible_mark = '&nbsp;';
+    $anchor_invisible_mark2 = '';
+    $anchor_mark = '';
+    $icons{'anchor_mark'} = '';
+}
+init_myformat();
+
+# Create an index entry, but include the string in the target anchor
+# instead of the dummy filler.
+#
+sub make_str_index_entry{
+    my($str) = @_;
+    my($name,$aname,$ahref) = new_link_info();
+    add_index_entry($str, $ahref);
+    return "$aname$str</a>";
+}
+
+$REFCOUNTS_LOADED = 0;
+
+sub load_refcounts{
+    $REFCOUNTS_LOADED = 1;
+
+    my $myname, $mydir, $myext;
+    ($myname, $mydir, $myext) = fileparse(__FILE__, '\..*');
+    chop $mydir;			# remove trailing '/'
+    ($myname, $mydir, $myext) = fileparse($mydir, '\..*');
+    chop $mydir;			# remove trailing '/'
+    $mydir = getcwd() . "$dd$mydir"
+      unless $mydir =~ s|^/|/|;
+    local $_;
+    my $filename = "$mydir${dd}api${dd}refcounts.dat";
+    open(REFCOUNT_FILE, "<$filename") || die "\n$!\n";
+    print "[loading API refcount data]";
+    while (<REFCOUNT_FILE>) {
+        if (/([a-zA-Z0-9_]+):PyObject\*:([a-zA-Z0-9_]*):(0|[-+]1|null):(.*)$/) {
+            my($func, $param, $count, $comment) = ($1, $2, $3, $4);
+            #print "\n$func($param) --> $count";
+            $REFCOUNTS{"$func:$param"} = $count;
+        }
+    }
+}
+
+sub get_refcount{
+    my ($func, $param) = @_;
+    load_refcounts()
+        unless $REFCOUNTS_LOADED;
+    return $REFCOUNTS{"$func:$param"};
+}
+
+sub do_env_cfuncdesc{
+    local($_) = @_;
+    my $return_type = next_argument();
+    my $function_name = next_argument();
+    my $arg_list = next_argument();
+    my $idx = make_str_index_entry(
+        "<tt class='cfunction'>$function_name()</tt>" . get_indexsubitem());
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)//;		# ???? - why both of these?
+    my $result_rc = get_refcount($function_name, '');
+    my $rcinfo = '';
+    if ($result_rc eq '+1') {
+        $rcinfo = 'New reference';
+    }
+    elsif ($result_rc eq '0') {
+        $rcinfo = 'Borrowed reference';
+    }
+    elsif ($result_rc eq 'null') {
+        $rcinfo = 'Always <tt class="constant">NULL</tt>';
+    }
+    if ($rcinfo ne '') {
+        $rcinfo = (  "\n<div class=\"refcount-info\">"
+                   . "\n  <span class=\"label\">Return value:</span>"
+                   . "\n  <span class=\"value\">$rcinfo.</span>"
+                   . "\n</div>");
+    }
+    return "<dl><dt>$return_type <b>$idx</b>(<var>$arg_list</var>)\n<dd>"
+           . $rcinfo
+           . $_
+           . '</dl>';
+}
+
+sub do_env_csimplemacrodesc{
+    local($_) = @_;
+    my $name = next_argument();
+    my $idx = make_str_index_entry("<tt class='macro'>$name</tt>");
+    return "<dl><dt><b>$idx</b>\n<dd>"
+           . $_
+           . '</dl>'
+}
+
+sub do_env_ctypedesc{
+    local($_) = @_;
+    my $index_name = next_optional_argument();
+    my $type_name = next_argument();
+    $index_name = $type_name
+      unless $index_name;
+    my($name,$aname,$ahref) = new_link_info();
+    add_index_entry("<tt class='ctype'>$index_name</tt> (C type)", $ahref);
+    return "<dl><dt><b><tt class='ctype'>$aname$type_name</a></tt></b>\n<dd>"
+           . $_
+           . '</dl>'
+}
+
+sub do_env_cvardesc{
+    local($_) = @_;
+    my $var_type = next_argument();
+    my $var_name = next_argument();
+    my $idx = make_str_index_entry("<tt class='cdata'>$var_name</tt>"
+				   . get_indexsubitem());
+    $idx =~ s/ \(.*\)//;
+    return "<dl><dt>$var_type <b>$idx</b>\n"
+           . '<dd>'
+           . $_
+           . '</dl>';
+}
+
+sub convert_args($){
+    local($IN_DESC_HANDLER) = 1;
+    local($_) = @_;
+    return translate_commands($_);
+}
+
+sub do_env_funcdesc{
+    local($_) = @_;
+    my $function_name = next_argument();
+    my $arg_list = convert_args(next_argument());
+    my $idx = make_str_index_entry("<tt class='function'>$function_name()</tt>"
+				   . get_indexsubitem());
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)<\/tt>/<\/tt>/;
+    return "<dl><dt><b>$idx</b>(<var>$arg_list</var>)\n<dd>" . $_ . '</dl>';
+}
+
+sub do_env_funcdescni{
+    local($_) = @_;
+    my $function_name = next_argument();
+    my $arg_list = convert_args(next_argument());
+    return "<dl><dt><b><tt class='function'>$function_name</tt></b>"
+      . "(<var>$arg_list</var>)\n"
+      . '<dd>'
+      . $_
+      . '</dl>';
+}
+
+sub do_cmd_funcline{
+    local($_) = @_;
+    my $function_name = next_argument();
+    my $arg_list = convert_args(next_argument());
+    my $prefix = "<tt class='function'>$function_name()</tt>";
+    my $idx = make_str_index_entry($prefix . get_indexsubitem());
+    $prefix =~ s/\(\)//;
+
+    return "<dt><b>$prefix</b>(<var>$arg_list</var>)\n<dd>" . $_;
+}
+
+sub do_cmd_funclineni{
+    local($_) = @_;
+    my $function_name = next_argument();
+    my $arg_list = convert_args(next_argument());
+    my $prefix = "<tt class='function'>$function_name</tt>";
+
+    return "<dt><b>$prefix</b>(<var>$arg_list</var>)\n<dd>" . $_;
+}
+
+# Change this flag to index the opcode entries.  I don't think it's very
+# useful to index them, since they're only presented to describe the dis
+# module.
+#
+$INDEX_OPCODES = 0;
+
+sub do_env_opcodedesc{
+    local($_) = @_;
+    my $opcode_name = next_argument();
+    my $arg_list = next_argument();
+    my $idx;
+    if ($INDEX_OPCODES) {
+	$idx = make_str_index_entry("<tt class='opcode'>$opcode_name</tt>"
+                                    . " (byte code instruction)");
+	$idx =~ s/ \(byte code instruction\)//;
+    }
+    else {
+	$idx = "<tt class='opcode'>$opcode_name</tt>";
+    }
+    my $stuff = "<dl><dt><b>$idx</b>";
+    if ($arg_list) {
+	$stuff .= "&nbsp;&nbsp;&nbsp;&nbsp;<var>$arg_list</var>";
+    }
+    return $stuff . "\n<dd>" . $_ . '</dl>';
+}
+
+sub do_env_datadesc{
+    local($_) = @_;
+    my $dataname = next_argument();
+    my $idx = make_str_index_entry("<tt>$dataname</tt>" . get_indexsubitem());
+    $idx =~ s/ \(.*\)//;
+    return "<dl><dt><b>$idx</b>\n<dd>"
+           . $_
+	   . '</dl>';
+}
+
+sub do_env_datadescni{
+    local($_) = @_;
+    my $idx = next_argument();
+    if (! $STRING_INDEX_TT) {
+	$idx = "<tt>$idx</tt>";
+    }
+    return "<dl><dt><b>$idx</b>\n<dd>" . $_ . '</dl>';
+}
+
+sub do_cmd_dataline{
+    local($_) = @_;
+    my $data_name = next_argument();
+    my $idx = make_str_index_entry("<tt>$data_name</tt>" . get_indexsubitem());
+    $idx =~ s/ \(.*\)//;
+    return "<dt><b>$idx</b><dd>" . $_;
+}
+
+sub do_cmd_datalineni{
+    local($_) = @_;
+    my $data_name = next_argument();
+    return "<dt><b><tt>$data_name</tt></b><dd>" . $_;
+}
+
+sub do_env_excdesc{
+    local($_) = @_;
+    my $excname = next_argument();
+    my $idx = make_str_index_entry("<tt class='exception'>$excname</tt>");
+    return "<dl><dt><b>exception $idx</b>\n<dd>" . $_ . '</dl>'
+}
+
+sub do_env_fulllineitems{ return do_env_itemize(@_); }
+
+
+sub handle_classlike_descriptor{
+    local($_, $what) = @_;
+    $THIS_CLASS = next_argument();
+    my $arg_list = convert_args(next_argument());
+    $idx = make_str_index_entry(
+		"<tt class='$what'>$THIS_CLASS</tt> ($what in $THIS_MODULE)" );
+    $idx =~ s/ \(.*\)//;
+    return ("<dl><dt><b>$what $idx</b>(<var>$arg_list</var>)\n<dd>"
+            . $_
+            . '</dl>');
+}
+
+sub do_env_classdesc{
+    return handle_classlike_descriptor(@_[0], "class");
+}
+
+sub do_env_excclassdesc{
+    return handle_classlike_descriptor(@_[0], "exception");
+}
+
+
+sub do_env_methoddesc{
+    local($_) = @_;
+    my $class_name = next_optional_argument();
+    $class_name = $THIS_CLASS
+        unless $class_name;
+    my $method = next_argument();
+    my $arg_list = convert_args(next_argument());
+    my $extra = '';
+    if ($class_name) {
+	$extra = " ($class_name method)";
+    }
+    my $idx = make_str_index_entry("<tt class='method'>$method()</tt>$extra");
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)//;
+    return "<dl><dt><b>$idx</b>(<var>$arg_list</var>)\n<dd>" . $_ . '</dl>';
+}
+
+
+sub do_cmd_methodline{
+    local($_) = @_;
+    my $class_name = next_optional_argument();
+    $class_name = $THIS_CLASS
+        unless $class_name;
+    my $method = next_argument();
+    my $arg_list = convert_args(next_argument());
+    my $extra = '';
+    if ($class_name) {
+	$extra = " ($class_name method)";
+    }
+    my $idx = make_str_index_entry("<tt class='method'>$method()</tt>$extra");
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)//;
+    return "<dt><b>$idx</b>(<var>$arg_list</var>)\n<dd>"
+           . $_;
+}
+
+
+sub do_cmd_methodlineni{
+    local($_) = @_;
+    next_optional_argument();
+    my $method = next_argument();
+    my $arg_list = convert_args(next_argument());
+    return "<dt><b>$method</b>(<var>$arg_list</var>)\n<dd>"
+           . $_;
+}
+
+sub do_env_methoddescni{
+    local($_) = @_;
+    next_optional_argument();
+    my $method = next_argument();
+    my $arg_list = convert_args(next_argument());
+    return "<dl><dt><b>$method</b>(<var>$arg_list</var>)\n<dd>"
+           . $_
+	   . '</dl>';
+}
+
+
+sub do_env_memberdesc{
+    local($_) = @_;
+    my $class = next_optional_argument();
+    my $member = next_argument();
+    $class = $THIS_CLASS
+        unless $class;
+    my $extra = '';
+    $extra = " ($class attribute)"
+        if ($class ne '');
+    my $idx = make_str_index_entry("<tt class='member'>$member</tt>$extra");
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)//;
+    return "<dl><dt><b>$idx</b>\n<dd>" . $_ . '</dl>';
+}
+
+
+sub do_cmd_memberline{
+    local($_) = @_;
+    my $class = next_optional_argument();
+    my $member = next_argument();
+    $class = $THIS_CLASS
+        unless $class;
+    my $extra = '';
+    $extra = " ($class attribute)"
+        if ($class ne '');
+    my $idx = make_str_index_entry("<tt class='member'>$member</tt>$extra");
+    $idx =~ s/ \(.*\)//;
+    $idx =~ s/\(\)//;
+    return "<dt><b>$idx</b><dd>" . $_;
+}
+
+sub do_env_memberdescni{
+    local($_) = @_;
+    next_optional_argument();
+    my $member = next_argument();
+    return "<dl><dt><b><tt class='member'>$member</tt></b>\n<dd>"
+           . $_
+           . '</dl>';
+}
+
+
+sub do_cmd_memberlineni{
+    local($_) = @_;
+    next_optional_argument();
+    my $member = next_argument();
+    return "<dt><b><tt class='member'>$member</tt></b><dd>" . $_;
+}
+
+@col_aligns = ('<td>', '<td>', '<td>', '<td>');
+
+sub fix_font{
+    # do a little magic on a font name to get the right behavior in the first
+    # column of the output table
+    my $font = @_[0];
+    if ($font eq 'textrm') {
+	$font = '';
+    }
+    elsif ($font eq 'file' || $font eq 'filenq') {
+	$font = 'tt class="file"';
+    }
+    elsif ($font eq 'member') {
+        $font = 'tt class="member"';
+    }
+    elsif ($font eq 'class') {
+        $font = 'tt class="class"';
+    }
+    elsif ($font eq 'constant') {
+        $font = 'tt class="constant"';
+    }
+    elsif ($font eq 'kbd') {
+        $font = 'kbd';
+    }
+    elsif ($font eq 'programopt') {
+        $font = 'b';
+    }
+    elsif ($font eq 'exception') {
+        $font = 'tt class="exception"';
+    }
+    return $font;
+}
+
+sub figure_column_alignment{
+    my $a = @_[0];
+    my $mark = substr($a, 0, 1);
+    my $r = '';
+    if ($mark eq 'c')
+      { $r = ' align="center"'; }
+    elsif ($mark eq 'r')
+      { $r = ' align="right"'; }
+    elsif ($mark eq 'l')
+      { $r = ' align="left"'; }
+    elsif ($mark eq 'p')
+      { $r = ' align="left"'; }
+    return $r;
+}
+
+sub setup_column_alignments{
+    local($_) = @_;
+    my($s1,$s2,$s3,$s4) = split(/[|]/,$_);
+    my $a1 = figure_column_alignment($s1);
+    my $a2 = figure_column_alignment($s2);
+    my $a3 = figure_column_alignment($s3);
+    my $a4 = figure_column_alignment($s4);
+    $col_aligns[0] = "<td$a1 valign=\"baseline\">";
+    $col_aligns[1] = "<td$a2>";
+    $col_aligns[2] = "<td$a3>";
+    $col_aligns[3] = "<td$a4>";
+    # return the aligned header start tags
+    return ("<th$a1>", "<th$a2>", "<th$a3>", "<th$a4>");
+}
+
+sub get_table_col1_fonts{
+    my $font = $globals{'lineifont'};
+    my ($sfont,$efont) = ('', '');
+    if ($font) {
+        $sfont = "<$font>";
+        $efont = "</$font>";
+        $efont =~ s/ .*>/>/;
+    }
+    return ($sfont, $efont);
+}
+
+sub do_env_tableii{
+    local($_) = @_;
+    my($th1,$th2,$th3,$th4) = setup_column_alignments(next_argument());
+    my $font = fix_font(next_argument());
+    my $h1 = next_argument();
+    my $h2 = next_argument();
+    s/[\s\n]+//;
+    $globals{'lineifont'} = $font;
+    my $a1 = $col_aligns[0];
+    my $a2 = $col_aligns[1];
+    s/\\lineii</\\lineii[$a1|$a2]</g;
+    return '<table border align="center" style="border-collapse: collapse">'
+	   . "\n  <thead>"
+	   . "\n    <tr class=\"tableheader\">"
+	   . "\n      $th1<b>$h1</b>\&nbsp;</th>"
+	   . "\n      $th2<b>$h2</b>\&nbsp;</th>"
+	   . "\n      </tr>"
+	   . "\n    </thead>"
+	   . "\n  <tbody valign='baseline'>"
+	   . $_
+	   . "\n    </tbody>"
+	   . "\n</table>";
+}
+
+sub do_env_longtableii{
+    return do_env_tableii(@_);
+}
+
+sub do_cmd_lineii{
+    local($_) = @_;
+    my $aligns = next_optional_argument();
+    my $c1 = next_argument();
+    my $c2 = next_argument();
+    s/[\s\n]+//;
+    my($sfont,$efont) = get_table_col1_fonts();
+    $c2 = '&nbsp;' if ($c2 eq '');
+    my($c1align,$c2align) = split('\|', $aligns);
+    my $padding = '';
+    if ($c1align =~ /align="right"/ || $c1 eq '') {
+        $padding = '&nbsp;';
+    }
+    return "\n    <tr>$c1align$sfont$c1$efont$padding</td>\n"
+           . "        $c2align$c2</td>"
+	   . $_;
+}
+
+sub do_env_tableiii{
+    local($_) = @_;
+    my($th1,$th2,$th3,$th4) = setup_column_alignments(next_argument());
+    my $font = fix_font(next_argument());
+    my $h1 = next_argument();
+    my $h2 = next_argument();
+    my $h3 = next_argument();
+    s/[\s\n]+//;
+    $globals{'lineifont'} = $font;
+    my $a1 = $col_aligns[0];
+    my $a2 = $col_aligns[1];
+    my $a3 = $col_aligns[2];
+    s/\\lineiii</\\lineiii[$a1|$a2|$a3]</g;
+    return '<table border align="center" style="border-collapse: collapse">'
+	   . "\n  <thead>"
+	   . "\n    <tr class=\"tableheader\">"
+	   . "\n      $th1<b>$h1</b>\&nbsp;</th>"
+	   . "\n      $th2<b>$h2</b>\&nbsp;</th>"
+	   . "\n      $th3<b>$h3</b>\&nbsp;</th>"
+	   . "\n      </tr>"
+	   . "\n    </thead>"
+	   . "\n  <tbody valign='baseline'>"
+	   . $_
+	   . "\n    </tbody>"
+	   . "\n</table>";
+}
+
+sub do_env_longtableiii{
+    return do_env_tableiii(@_);
+}
+
+sub do_cmd_lineiii{
+    local($_) = @_;
+    my $aligns = next_optional_argument();
+    my $c1 = next_argument();
+    my $c2 = next_argument(); 
+    my $c3 = next_argument();
+    s/[\s\n]+//;
+    my($sfont,$efont) = get_table_col1_fonts();
+    $c3 = '&nbsp;' if ($c3 eq '');
+    my($c1align,$c2align,$c3align) = split('\|', $aligns);
+    my $padding = '';
+    if ($c1align =~ /align="right"/ || $c1 eq '') {
+        $padding = '&nbsp;';
+    }
+    return "\n    <tr>$c1align$sfont$c1$efont$padding</td>\n"
+           . "        $c2align$c2</td>\n"
+	   . "        $c3align$c3</td>"
+	   . $_;
+}
+
+sub do_env_tableiv{
+    local($_) = @_;
+    my($th1,$th2,$th3,$th4) = setup_column_alignments(next_argument());
+    my $font = fix_font(next_argument());
+    my $h1 = next_argument();
+    my $h2 = next_argument();
+    my $h3 = next_argument();
+    my $h4 = next_argument();
+    s/[\s\n]+//;
+    $globals{'lineifont'} = $font;
+    my $a1 = $col_aligns[0];
+    my $a2 = $col_aligns[1];
+    my $a3 = $col_aligns[2];
+    my $a4 = $col_aligns[3];
+    s/\\lineiv</\\lineiv[$a1|$a2|$a3|$a4]</g;
+    return '<table border align="center" style="border-collapse: collapse">'
+	   . "\n  <thead>"
+	   . "\n    <tr class=\"tableheader\">"
+	   . "\n      $th1<b>$h1</b>\&nbsp;</th>"
+	   . "\n      $th2<b>$h2</b>\&nbsp;</th>"
+	   . "\n      $th3<b>$h3</b>\&nbsp;</th>"
+	   . "\n      $th4<b>$h4</b>\&nbsp;</th>"
+	   . "\n      </tr>"
+	   . "\n    </thead>"
+	   . "\n  <tbody valign='baseline'>"
+	   . $_
+	   . "\n    </tbody>"
+	   . "\n</table>";
+}
+
+sub do_env_longtableiv{
+    return do_env_tableiv(@_);
+}
+
+sub do_cmd_lineiv{
+    local($_) = @_;
+    my $aligns = next_optional_argument();
+    my $c1 = next_argument();
+    my $c2 = next_argument(); 
+    my $c3 = next_argument();
+    my $c4 = next_argument();
+    s/[\s\n]+//;
+    my($sfont,$efont) = get_table_col1_fonts();
+    $c4 = '&nbsp;' if ($c4 eq '');
+    my($c1align,$c2align,$c3align,$c4align) = split('\|', $aligns);
+    my $padding = '';
+    if ($c1align =~ /align="right"/ || $c1 eq '') {
+        $padding = '&nbsp;';
+    }
+    return "\n    <tr>$c1align$sfont$c1$efont$padding</td>\n"
+           . "        $c2align$c2</td>\n"
+	   . "        $c3align$c3</td>\n"
+	   . "        $c4align$c4</td>"
+	   . $_;
+}
+
+
+# These can be used to control the title page appearance;
+# they need a little bit of documentation.
+#
+# If $TITLE_PAGE_GRAPHIC is set, it should be the name of a file in the
+# $ICONSERVER directory, or include path information (other than "./").  The
+# default image type will be assumed if an extension is not provided.
+#
+# If specified, the "title page" will contain two colums: one containing the
+# title/author/etc., and the other containing the graphic.  Use the other
+# four variables listed here to control specific details of the layout; all
+# are optional.
+#
+# $TITLE_PAGE_GRAPHIC = "my-company-logo";
+# $TITLE_PAGE_GRAPHIC_COLWIDTH = "30%";
+# $TITLE_PAGE_GRAPHIC_WIDTH = 150;
+# $TITLE_PAGE_GRAPHIC_HEIGHT = 150;
+# $TITLE_PAGE_GRAPHIC_ON_RIGHT = 0;
+
+sub make_my_titlepage() {
+    my $the_title = "";
+    if ($t_title) {
+	$the_title .= "\n<h1>$t_title</h1>";
+    }
+    else {
+        write_warnings("\nThis document has no title.");
+    }
+    if ($t_author) {
+	if ($t_authorURL) {
+	    my $href = translate_commands($t_authorURL);
+	    $href = make_named_href('author', $href,
+				    "<b><font size='+2'>$t_author</font></b>");
+	    $the_title .= "\n<p>$href</p>";
+	}
+        else {
+	    $the_title .= ("\n<p><b><font size='+2'>$t_author</font></b></p>");
+	}
+    }
+    else {
+        write_warnings("\nThere is no author for this document.");
+    }
+    if ($t_institute) {
+        $the_title .= "\n<p>$t_institute</p>";
+    }
+    if ($DEVELOPER_ADDRESS) {
+        $the_title .= "\n<p>$DEVELOPER_ADDRESS</p>";
+    }
+    if ($t_affil) {
+	$the_title .= "\n<p><i>$t_affil</i></p>";
+    }
+    if ($t_date) {
+	$the_title .= "\n<p>";
+	if ($PACKAGE_VERSION) {
+	    $the_title .= "<strong>Release $PACKAGE_VERSION</strong><br>\n";
+        }
+	$the_title .= "<strong>$t_date</strong></p>"
+    }
+    if ($t_address) {
+	$the_title .= "\n<p>$t_address</p>";
+    }
+    else {
+        $the_title .= "\n<p>";
+    }
+    if ($t_email) {
+	$the_title .= "\n<p>$t_email</p>";
+    }
+    return $the_title;
+}
+
+sub make_my_titlegraphic() {
+    my $filename = make_icon_filename($TITLE_PAGE_GRAPHIC);
+    my $graphic = "<td class=\"titlegraphic\"";
+    $graphic .= " width=\"$TITLE_PAGE_GRAPHIC_COLWIDTH\""
+      if ($TITLE_PAGE_GRAPHIC_COLWIDTH);
+    $graphic .= "><img";
+    $graphic .= " width=\"$TITLE_PAGE_GRAPHIC_WIDTH\""
+      if ($TITLE_PAGE_GRAPHIC_WIDTH);
+    $graphic .= " height=\"$TITLE_PAGE_GRAPHIC_HEIGHT\""
+      if ($TITLE_PAGE_GRAPHIC_HEIGHT);
+    $graphic .= "\n  src=\"$filename\"></td>\n";
+    return $graphic;
+}
+
+sub do_cmd_maketitle {
+    local($_) = @_;
+    my $the_title = "\n<div class=\"titlepage\">";
+    if ($TITLE_PAGE_GRAPHIC) {
+        if ($TITLE_PAGE_GRAPHIC_ON_RIGHT) {
+            $the_title .= ("\n<table border=\"0\" width=\"100%\">"
+                           . "<tr align=\"right\">\n<td>"
+                           . make_my_titlepage()
+                           . "</td>\n"
+                           . make_my_titlegraphic()
+                           . "</tr>\n</table>");
+        }
+        else {
+            $the_title .= ("\n<table border=\"0\" width=\"100%\"><tr>\n"
+                           . make_my_titlegraphic()
+                           . "<td>"
+                           . make_my_titlepage()
+                           . "</td></tr>\n</table>");
+        }
+    }
+    else {
+        $the_title .= ("\n<center>"
+                       . make_my_titlepage()
+                       . "\n</center>");
+    }
+    $the_title .= "\n</div>";
+    return $the_title . $_;
+    $the_title .= "\n</center></div>";
+    return $the_title . $_ ;
+}
+
+
+#
+#  Module synopsis support
+#
+
+require SynopsisTable;
+
+sub get_chapter_id(){
+    my $id = do_cmd_thechapter('');
+    $id =~ s/<SPAN CLASS="arabic">(\d+)<\/SPAN>/\1/;
+    $id =~ s/\.//;
+    return $id;
+}
+
+# 'chapter' => 'SynopsisTable instance'
+%ModuleSynopses = ();
+
+sub get_synopsis_table($){
+    my($chap) = @_;
+    my $key;
+    foreach $key (keys %ModuleSynopses) {
+	if ($key eq $chap) {
+	    return $ModuleSynopses{$chap};
+	}
+    }
+    my $st = SynopsisTable->new();
+    $ModuleSynopses{$chap} = $st;
+    return $st;
+}
+
+sub do_cmd_moduleauthor{
+    local($_) = @_;
+    next_argument();
+    next_argument();
+    return $_;
+}
+
+sub do_cmd_sectionauthor{
+    local($_) = @_;
+    next_argument();
+    next_argument();
+    return $_;
+}
+
+sub do_cmd_declaremodule{
+    local($_) = @_;
+    my $key = next_optional_argument();
+    my $type = next_argument();
+    my $name = next_argument();
+    my $st = get_synopsis_table(get_chapter_id());
+    #
+    $key = $name unless $key;
+    $type = 'built-in' if $type eq 'builtin';
+    $st->declare($name, $key, $type);
+    define_module($type, $name);
+    return anchor_label("module-$key",$CURRENT_FILE,$_)
+}
+
+sub do_cmd_modulesynopsis{
+    local($_) = @_;
+    my $st = get_synopsis_table(get_chapter_id());
+    $st->set_synopsis($THIS_MODULE, translate_commands(next_argument()));
+    return $_;
+}
+
+sub do_cmd_localmoduletable{
+    local($_) = @_;
+    my $chap = get_chapter_id();
+    my $st = get_synopsis_table($chap);
+    $st->set_file("$CURRENT_FILE");
+    return "<tex2html-localmoduletable><$chap>\\tableofchildlinks[off]" . $_;
+}
+
+sub process_all_localmoduletables{
+    my $key;
+    my $st, $file;
+    foreach $key (keys %ModuleSynopses) {
+        $st = $ModuleSynopses{$key};
+        $file = $st->get_file();
+        if ($file) {
+            process_localmoduletables_in_file($file);
+        }
+        else {
+            print "\nsynopsis table $key has no file association";
+        }
+    }
+}
+
+sub process_localmoduletables_in_file{
+    my $file = @_[0];
+    open(MYFILE, "<$file");
+    local($_);
+    sysread(MYFILE, $_, 1024*1024);
+    close(MYFILE);
+    # need to get contents of file in $_
+    while (/<tex2html-localmoduletable><(\d+)>/) {
+	my $match = $&;
+	my $chap = $1;
+	my $st = get_synopsis_table($chap);
+	my $data = $st->tohtml();
+	s/$match/$data/;
+    }
+    open(MYFILE,">$file");
+    print MYFILE $_;
+    close(MYFILE);
+}
+sub process_python_state{
+    process_all_localmoduletables();
+}
+
+
+#
+#  "See also:" -- references placed at the end of a \section
+#
+
+sub do_env_seealso{
+    return "<div class='seealso'>\n  "
+      . "<p class='heading'><b>See Also:</b></p>\n"
+      . @_[0]
+      . '</div>';
+}
+
+sub do_cmd_seemodule{
+    # Insert the right magic to jump to the module definition.  This should
+    # work most of the time, at least for repeat builds....
+    local($_) = @_;
+    my $key = next_optional_argument();
+    my $module = next_argument();
+    my $text = next_argument();
+    my $period = '.';
+    $key = $module
+        unless $key;
+    if ($text =~ /\.$/) {
+	$period = '';
+    }
+    return '<dl compact class="seemodule">'
+      . "\n    <dt>Module <b><tt class='module'><a href='module-$key.html'>"
+      . "$module</a></tt>:</b>"
+      . "\n    <dd>$text$period\n  </dl>"
+      . $_;
+}
+
+sub strip_html_markup($){
+    my $str = @_[0];
+    my $s = "$str";
+    $s =~ s/<[a-zA-Z0-9]+(\s+[a-zA-Z0-9]+(\s*=\s*(\'[^\']*\'|\"[^\"]*\"|[a-zA-Z0-9]+))?)*\s*>//g;
+    $s =~ s/<\/[a-zA-Z0-9]+>//g;
+    return $s;
+}
+
+sub handle_rfclike_reference{
+    local($_, $what, $format) = @_;
+    my $rfcnum = next_argument();
+    my $title = next_argument();
+    my $text = next_argument();
+    my $url = get_rfc_url($rfcnum, $format);
+    my $icon = get_link_icon($url);
+    my $attrtitle = strip_html_markup($title);
+    return '<dl compact class="seerfc">'
+      . "\n    <dt><a href=\"$url\""
+      . "\n        title=\"$attrtitle\""
+      . "\n        >$what $rfcnum, <em>$title</em>$icon</a>"
+      . "\n    <dd>$text\n  </dl>"
+      . $_;
+}
+
+sub do_cmd_seepep{
+    return handle_rfclike_reference(@_[0], "PEP", $PEP_FORMAT);
+}
+
+sub do_cmd_seerfc{
+    return handle_rfclike_reference(@_[0], "RFC", $RFC_FORMAT);
+}
+
+sub do_cmd_seetitle{
+    local($_) = @_;
+    my $url = next_optional_argument();
+    my $title = next_argument();
+    my $text = next_argument();
+    if ($url) {
+        my $icon = get_link_icon($url);
+        return '<dl compact class="seetitle">'
+          . "\n    <dt><em class=\"citetitle\"><a href=\"$url\""
+          . "\n        >$title$icon</a></em>"
+          . "\n    <dd>$text\n  </dl>"
+          . $_;
+    }
+    return '<dl compact class="seetitle">'
+      . "\n    <dt><em class=\"citetitle\""
+      . "\n        >$title</em>"
+      . "\n    <dd>$text\n  </dl>"
+      . $_;
+}
+
+sub do_cmd_seeurl{
+    local($_) = @_;
+    my $url = next_argument();
+    my $text = next_argument();
+    my $icon = get_link_icon($url);
+    return '<dl compact class="seeurl">'
+      . "\n    <dt><a href=\"$url\""
+      . "\n        class=\"url\">$url$icon</a>"
+      . "\n    <dd>$text\n  </dl>"
+      . $_;
+}
+
+sub do_cmd_seetext{
+    local($_) = @_;
+    my $content = next_argument();
+    return '<div class="seetext"><p>' . $content . '</div>' . $_;
+}
+
+
+#
+#  Definition list support.
+#
+
+sub do_env_definitions{
+    return "<dl class='definitions'>" . @_[0] . "</dl>\n";
+}
+
+sub do_cmd_term{
+    local($_) = @_;
+    my $term = next_argument();
+    my($name,$aname,$ahref) = new_link_info();
+    # could easily add an index entry here...
+    return "<dt><b>$aname" . $term . "</a></b>\n<dd>" . $_;
+}
+
+
+# I don't recall exactly why this was needed, but it was very much needed.
+# We'll see if anything breaks when I move the "code" line out -- some
+# things broke with it in.
+
+#code # {}
+process_commands_wrap_deferred(<<_RAW_ARG_DEFERRED_CMDS_);
+declaremodule # [] # {} # {}
+memberline # [] # {}
+methodline # [] # {} # {}
+modulesynopsis # {}
+platform # {}
+samp # {}
+setindexsubitem # {}
+withsubitem # {} # {}
+_RAW_ARG_DEFERRED_CMDS_
+
+
+$alltt_start = '<dl><dd><pre class="verbatim">';
+$alltt_end = '</pre></dl>';
+
+sub do_env_alltt {
+    local ($_) = @_;
+    local($closures,$reopens,@open_block_tags);
+
+    # get the tag-strings for all open tags
+    local(@keep_open_tags) = @$open_tags_R;
+    ($closures,$reopens) = &preserve_open_tags() if (@$open_tags_R);
+
+    # get the tags for text-level tags only
+    $open_tags_R = [ @keep_open_tags ];
+    local($local_closures, $local_reopens);
+    ($local_closures, $local_reopens,@open_block_tags)
+      = &preserve_open_block_tags
+	if (@$open_tags_R);
+
+    $open_tags_R = [ @open_block_tags ];
+
+    do {
+	local($open_tags_R) = [ @open_block_tags ];
+	local(@save_open_tags) = ();
+
+	local($cnt) = ++$global{'max_id'};
+	$_ = join('',"$O$cnt$C\\tt$O", ++$global{'max_id'}, $C
+		, $_ , $O, $global{'max_id'}, "$C$O$cnt$C");
+
+	$_ = &translate_environments($_);
+	$_ = &translate_commands($_) if (/\\/);
+
+	# preserve space-runs, using &nbsp;
+	while (s/(\S) ( +)/$1$2;SPMnbsp;/g){};
+	s/(<BR>) /$1;SPMnbsp;/g;
+
+	$_ = join('', $closures, $alltt_start, $local_reopens
+		, $_
+		, &balance_tags() #, $local_closures
+		, $alltt_end, $reopens);
+	undef $open_tags_R; undef @save_open_tags;
+    };
+    $open_tags_R = [ @keep_open_tags ];
+    $_;
+}
+
+
+1;				# This must be the last line