tml1/DTD/xhtml1-strict.dtd"> $Title$csslink $block END_OF_HEAD # load/reload/validate/cache %Pages and %Items get_cache($Dircache, $Itemcache, \@Podpath, $Podroot, $Recurse); # scan the pod for =item directives scan_items( \%Local_Items, "", @poddata); # put an index at the top of the file. note, if $Doindex is 0 we # still generate an index, but surround it with an html comment. # that way some other program can extract it if desired. $index =~ s/--+/-/g; my $hr = ($Doindex and $index) ? qq(
) : ""; unless ($Doindex) { $index = qq(\n); } print HTML << "END_OF_INDEX";

$index $hr
END_OF_INDEX # now convert this file my $after_item; # set to true after an =item warn "Converting input file $Podfile\n" if $Verbose; foreach my $i (0..$#poddata){ $_ = $poddata[$i]; $Paragraph = $i+1; if (/^(=.*)/s) { # is it a pod directive? $Ignore = 0; $after_item = 0; $_ = $1; if (/^=begin\s+(\S+)\s*(.*)/si) {# =begin process_begin($1, $2); } elsif (/^=end\s+(\S+)\s*(.*)/si) {# =end process_end($1, $2); } elsif (/^=cut/) { # =cut process_cut(); } elsif (/^=pod/) { # =pod process_pod(); } else { next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; if (/^=(head[1-6])\s+(.*\S)/s) { # =head[1-6] heading process_head( $1, $2, $Doindex && $index ); } elsif (/^=item\s*(.*\S)?/sm) { # =item text process_item( $1 ); $after_item = 1; } elsif (/^=over\s*(.*)/) { # =over N process_over(); } elsif (/^=back/) { # =back process_back(); } elsif (/^=for\s+(\S+)\s*(.*)/si) {# =for process_for($1,$2); } else { /^=(\S*)\s*/; warn "$0: $Podfile: unknown pod directive '$1' in " . "paragraph $Paragraph. ignoring.\n" unless $Quiet; } } $Top = 0; } else { next if $Ignore; next if @Begin_Stack && $Begin_Stack[-1] ne 'html'; print HTML and next if @Begin_Stack && $Begin_Stack[-1] eq 'html'; my $text = $_; # Open tag for definition list as we have something to put in it if( $ListNewTerm ){ print HTML "
\n"; $ListNewTerm = 0; } if( $text =~ /\A\s+/ ){ process_pre( \$text ); print HTML "
\n$text
\n"; } else { process_text( \$text ); # experimental: check for a paragraph where all lines # have some ...\t...\t...\n pattern if( $text =~ /\t/ ){ my @lines = split( "\n", $text ); if( @lines > 1 ){ my $all = 2; foreach my $line ( @lines ){ if( $line =~ /\S/ && $line !~ /\t/ ){ $all--; last if $all == 0; } } if( $all > 0 ){ $text =~ s/\t+//g; $text =~ s/^//gm; $text = '' . $text . '
'; } } } ## end of experimental print HTML "

$text

\n"; } $after_item = 0; } } # finish off any pending directives finish_list(); # link to page index print HTML "

$Backlink

\n" if $Doindex and $index and $Backlink; print HTML < END_OF_TAIL # close the html file close(HTML); warn "Finished\n" if $Verbose; } ############################################################################## sub usage { my $podfile = shift; warn "$0: $podfile: @_\n" if @_; die < --infile= --outfile= --podpath=:...: --podroot= --libpods=:...: --recurse --verbose --index --netscape --norecurse --noindex --cachedir= --backlink - set text for "back to top" links (default: none). --cachedir - directory for the item and directory cache files. --css - stylesheet URL --flush - flushes the item and directory caches. --[no]header - produce block header/footer (default is no headers). --help - prints this message. --hiddendirs - search hidden directories in podpath --htmldir - directory for resulting HTML files. --htmlroot - http-server base directory from which all relative paths in podpath stem (default is /). --[no]index - generate an index at the top of the resulting html (default behaviour). --infile - filename for the pod to convert (input taken from stdin by default). --libpods - colon-separated list of pages to search for =item pod directives in as targets of C<> and implicit links (empty by default). note, these are not filenames, but rather page names like those that appear in L<> links. --outfile - filename for the resulting html file (output sent to stdout by default). --podpath - colon-separated list of directories containing library pods (empty by default). --podroot - filesystem base directory from which all relative paths in podpath stem (default is .). --[no]quiet - suppress some benign warning messages (default is off). --[no]recurse - recurse on those subdirectories listed in podpath (default behaviour). --title - title that will appear in resulting html file. --[no]verbose - self-explanatory (off by default). --[no]netscape - deprecated, has no effect. for backwards compatibility only. END_OF_USAGE } sub parse_command_line { my ($opt_backlink,$opt_cachedir,$opt_css,$opt_flush,$opt_header,$opt_help, $opt_htmldir,$opt_htmlroot,$opt_index,$opt_infile,$opt_libpods, $opt_netscape,$opt_outfile,$opt_podpath,$opt_podroot,$opt_quiet, $opt_recurse,$opt_title,$opt_verbose,$opt_hiddendirs); unshift @ARGV, split ' ', $Config{pod2html} if $Config{pod2html}; my $result = GetOptions( 'backlink=s' => \$opt_backlink, 'cachedir=s' => \$opt_cachedir, 'css=s' => \$opt_css, 'flush' => \$opt_flush, 'header!' => \$opt_header, 'help' => \$opt_help, 'hiddendirs!'=> \$opt_hiddendirs, 'htmldir=s' => \$opt_htmldir, 'htmlroot=s' => \$opt_htmlroot, 'index!' => \$opt_index, 'infile=s' => \$opt_infile, 'libpods=s' => \$opt_libpods, 'netscape!' => \$opt_netscape, 'outfile=s' => \$opt_outfile, 'podpath=s' => \$opt_podpath, 'podroot=s' => \$opt_podroot, 'quiet!' => \$opt_quiet, 'recurse!' => \$opt_recurse, 'title=s' => \$opt_title, 'verbose!' => \$opt_verbose, ); usage("-", "invalid parameters") if not $result; usage("-") if defined $opt_help; # see if the user asked for help $opt_help = ""; # just to make -w shut-up. @Podpath = map { s/\|/:/g; $_ } split(":", $opt_podpath) if defined $opt_podpath; @Libpods = split(":", $opt_libpods) if defined $opt_libpods; $Backlink = $opt_backlink if defined $opt_backlink; $Cachedir = $opt_cachedir if defined $opt_cachedir; $Css = $opt_css if defined $opt_css; $Header = $opt_header if defined $opt_header; $Htmldir = $opt_htmldir if defined $opt_htmldir; $Htmlroot = $opt_htmlroot if defined $opt_htmlroot; $Doindex = $opt_index if defined $opt_index; $Podfile = $opt_infile if defined $opt_infile; $HiddenDirs = $opt_hiddendirs if defined $opt_hiddendirs; $Htmlfile = $opt_outfile if defined $opt_outfile; $Podroot = $opt_podroot if defined $opt_podroot; $Quiet = $opt_quiet if defined $opt_quiet; $Recurse = $opt_recurse if defined $opt_recurse; $Title = $opt_title if defined $opt_title; $Verbose = $opt_verbose if defined $opt_verbose; warn "Flushing item and directory caches\n" if $opt_verbose && defined $opt_flush; $Dircache = "$Cachedir/pod2htmd.tmp"; $Itemcache = "$Cachedir/pod2htmi.tmp"; if (defined $opt_flush) { 1 while unlink($Dircache, $Itemcache); } } my $Saved_Cache_Key; sub get_cache { my($dircache, $itemcache, $podpath, $podroot, $recurse) = @_; my @cache_key_args = @_; # A first-level cache: # Don't bother reading the cache files if they still apply # and haven't changed since we last read them. my $this_cache_key = cache_key(@cache_key_args); return if $Saved_Cache_Key and $this_cache_key eq $Saved_Cache_Key; # load the cache of %Pages and %Items if possible. $tests will be # non-zero if successful. my $tests = 0; if (-f $dircache && -f $itemcache) { warn "scanning for item cache\n" if $Verbose; $tests = load_cache($dircache, $itemcache, $podpath, $podroot); } # if we didn't succeed in loading the cache then we must (re)build # %Pages and %Items. if (!$tests) { warn "scanning directories in pod-path\n" if $Verbose; scan_podpath($podroot, $recurse, 0); } $Saved_Cache_Key = cache_key(@cache_key_args); } sub cache_key { my($dircache, $itemcache, $podpath, $podroot, $recurse) = @_; return join('!', $dircache, $itemcache, $recurse, @$podpath, $podroot, stat($dircache), stat($itemcache)); } # # load_cache - tries to find if the caches stored in $dircache and $itemcache # are valid caches of %Pages and %Items. if they are valid then it loads # them and returns a non-zero value. # sub load_cache { my($dircache, $itemcache, $podpath, $podroot) = @_; my($tests); local $_; $tests = 0; open(CACHE, "<$itemcache") || die "$0: error opening $itemcache for reading: $!\n"; $/ = "\n"; # is it the same podpath? $_ = ; chomp($_); $tests++ if (join(":", @$podpath) eq $_); # is it the same podroot? $_ = ; chomp($_); $tests++ if ($podroot eq $_); # load the cache if its good if ($tests != 2) { close(CACHE); return 0; } warn "loading item cache\n" if $Verbose; while () { /(.*?) (.*)$/; $Items{$1} = $2; } close(CACHE); warn "scanning for directory cache\n" if $Verbose; open(CACHE, "<$dircache") || die "$0: error opening $dircache for reading: $!\n"; $/ = "\n"; $tests = 0; # is it the same podpath? $_ = ; chomp($_); $tests++ if (join(":", @$podpath) eq $_); # is it the same podroot? $_ = ; chomp($_); $tests++ if ($podroot eq $_); # load the cache if its good if ($tests != 2) { close(CACHE); return 0; } warn "loading directory cache\n" if $Verbose; while () { /(.*?) (.*)$/; $Pages{$1} = $2; } close(CACHE); return 1; } # # scan_podpath - scans the directories specified in @podpath for directories, # .pod files, and .pm files. it also scans the pod files specified in # @Libpods for =item directives. # sub scan_podpath { my($podroot, $recurse, $append) = @_; my($pwd, $dir); my($libpod, $dirname, $pod, @files, @poddata); unless($append) { %Items = (); %Pages = (); } # scan each directory listed in @Podpath $pwd = getcwd(); chdir($podroot) || die "$0: error changing to directory $podroot: $!\n"; foreach $dir (@Podpath) { scan_dir($dir, $recurse); } # scan the pods listed in @Libpods for =item directives foreach $libpod (@Libpods) { # if the page isn't defined then we won't know where to find it # on the system. next unless defined $Pages{$libpod} && $Pages{$libpod}; # if there is a directory then use the .pod and .pm files within it. # NOTE: Only finds the first so-named directory in the tree. # if ($Pages{$libpod} =~ /([^:]*[^(\.pod|\.pm)]):/) { if ($Pages{$libpod} =~ /([^:]*(?; close(POD); clean_data( \@poddata ); scan_items( \%Items, "$dirname/$pod", @poddata); } # use the names of files as =item directives too. ### Don't think this should be done this way - confuses issues.(WL) ### foreach $pod (@files) { ### $pod =~ /^(.*)(\.pod|\.pm)$/; ### $Items{$1} = "$dirname/$1.html" if $1; ### } } elsif ($Pages{$libpod} =~ /([^:]*\.pod):/ || $Pages{$libpod} =~ /([^:]*\.pm):/) { # scan the .pod or .pm file for =item directives $pod = $1; open(POD, "<$pod") || die "$0: error opening $pod for input: $!\n"; @poddata = ; close(POD); clean_data( \@poddata ); scan_items( \%Items, "$pod", @poddata); } else { warn "$0: shouldn't be here (line ".__LINE__."\n" unless $Quiet; } } @poddata = (); # clean-up a bit chdir($pwd) || die "$0: error changing to directory $pwd: $!\n"; # cache the item list for later use warn "caching items for later use\n" if $Verbose; open(CACHE, ">$Itemcache") || die "$0: error open $Itemcache for writing: $!\n"; print CACHE join(":", @Podpath) . "\n$podroot\n"; foreach my $key (keys %Items) { print CACHE "$key $Items{$key}\n"; } close(CACHE); # cache the directory list for later use warn "caching directories for later use\n" if $Verbose; open(CACHE, ">$Dircache") || die "$0: error open $Dircache for writing: $!\n"; print CACHE join(":", @Podpath) . "\n$podroot\n"; foreach my $key (keys %Pages) { print CACHE "$key $Pages{$key}\n"; } close(CACHE); } # # scan_dir - scans the directory specified in $dir for subdirectories, .pod # files, and .pm files. notes those that it finds. this information will # be used later in order to figure out where the pages specified in L<> # links are on the filesystem. # sub scan_dir { my($dir, $recurse) = @_; my($t, @subdirs, @pods, $pod, $dirname, @dirs); local $_; @subdirs = (); @pods = (); opendir(DIR, $dir) || die "$0: error opening directory $dir: $!\n"; while (defined($_ = readdir(DIR))) { if (-d "$dir/$_" && $_ ne "." && $_ ne ".." && ($HiddenDirs || !/^\./) ) { # directory $Pages{$_} = "" unless defined $Pages{$_}; $Pages{$_} .= "$dir/$_:"; push(@subdirs, $_); } elsif (/\.pod\z/) { # .pod s/\.pod\z//; $Pages{$_} = "" unless defined $Pages{$_}; $Pages{$_} .= "$dir/$_.pod:"; push(@pods, "$dir/$_.pod"); } elsif (/\.html\z/) { # .html s/\.html\z//; $Pages{$_} = "" unless defined $Pages{$_}; $Pages{$_} .= "$dir/$_.pod:"; } elsif (/\.pm\z/) { # .pm s/\.pm\z//; $Pages{$_} = "" unless defined $Pages{$_}; $Pages{$_} .= "$dir/$_.pm:"; push(@pods, "$dir/$_.pm"); } elsif (-T "$dir/$_") { # script(?) local *F; if (open(F, "$dir/$_")) { my $line; while (defined($line = )) { if ($line =~ /^=(?:pod|head1)/) { $Pages{$_} = "" unless defined $Pages{$_}; $Pages{$_} .= "$dir/$_.pod:"; last; } } close(F); } } } closedir(DIR); # recurse on the subdirectories if necessary if ($recurse) { foreach my $subdir (@subdirs) { scan_dir("$dir/$subdir", $recurse); } } } # # scan_headings - scan a pod file for head[1-6] tags, note the tags, and # build an index. # sub scan_headings { my($sections, @data) = @_; my($tag, $which_head, $otitle, $listdepth, $index); local $Ignore = 0; $listdepth = 0; $index = ""; # scan for =head directives, note their name, and build an index # pointing to each of them. foreach my $line (@data) { if ($line =~ /^=(head)([1-6])\s+(.*)/) { ($tag, $which_head, $otitle) = ($1,$2,$3); my $title = depod( $otitle ); my $name = anchorify( $title ); $$sections{$name} = 1; $title = process_text( \$otitle ); while ($which_head != $listdepth) { if ($which_head > $listdepth) { $index .= "\n" . ("\t" x $listdepth) . "
    \n"; $listdepth++; } elsif ($which_head < $listdepth) { $listdepth--; $index .= "\n" . ("\t" x $listdepth) . "
\n"; } } $index .= "\n" . ("\t" x $listdepth) . "
  • " . "" . $title . "
  • "; } } # finish off the lists while ($listdepth--) { $index .= "\n" . ("\t" x $listdepth) . "\n"; } # get rid of bogus lists $index =~ s,\t*
      \s*
    \n,,g; return $index; } # # scan_items - scans the pod specified by $pod for =item directives. we # will use this information later on in resolving C<> links. # sub scan_items { my( $itemref, $pod, @poddata ) = @_; my($i, $item); local $_; $pod =~ s/\.pod\z//; $pod .= ".html" if $pod; foreach $i (0..$#poddata) { my $txt = depod( $poddata[$i] ); # figure out what kind of item it is. # Build string for referencing this item. if ( $txt =~ /\A=item\s+\*\s*(.*)\Z/s ) { # bulleted list next unless $1; $item = $1; } elsif( $txt =~ /\A=item\s+(?>\d+\.?)\s*(.*)\Z/s ) { # numbered list $item = $1; } elsif( $txt =~ /\A=item\s+(.*)\Z/s ) { # definition list $item = $1; } else { next; } my $fid = fragment_id( $item ); $$itemref{$fid} = "$pod" if $fid; } } # # process_head - convert a pod head[1-6] tag and convert it to HTML format. # sub process_head { my($tag, $heading, $hasindex) = @_; # figure out the level of the =head $tag =~ /head([1-6])/; my $level = $1; finish_list(); print HTML "

    \n"; if( $level == 1 && ! $Top ){ print HTML "$Backlink\n" if $hasindex and $Backlink; print HTML "

    \n
    \n" } else { print HTML "

    \n"; } my $name = anchorify( depod( $heading ) ); my $convert = process_text( \$heading ); print HTML "$convert\n"; } # # emit_item_tag - print an =item's text # Note: The global $EmittedItem is used for inhibiting self-references. # my $EmittedItem; sub emit_item_tag($$$){ my( $otext, $text, $compact ) = @_; my $item = fragment_id( depod($text) , -generate); Carp::confess("Undefined fragment '$text' (".depod($text).") from fragment_id() in emit_item_tag() in $Podfile") if !defined $item; $EmittedItem = $item; ### print STDERR "emit_item_tag=$item ($text)\n"; print HTML ''; if ($Items_Named{$item}++) { print HTML process_text( \$otext ); } else { my $name = $item; $name = anchorify($name); print HTML qq{}, process_text( \$otext ), ''; } print HTML ""; undef( $EmittedItem ); } sub new_listitem { my( $tag ) = @_; # Open tag for definition list as we have something to put in it if( ($tag ne 'dl') && ($ListNewTerm) ){ print HTML "
    \n"; $ListNewTerm = 0; } if( $Items_Seen[$Listlevel]++ == 0 ){ # start of new list push( @Listtype, "$tag" ); print HTML "<$tag>\n"; } else { # if this is not the first item, close the previous one if ( $tag eq 'dl' ){ print HTML "
    \n" unless $ListNewTerm; } else { print HTML "\n"; } } my $opentag = $tag eq 'dl' ? 'dt' : 'li'; print HTML "<$opentag>"; } # # process_item - convert a pod item tag and convert it to HTML format. # sub process_item { my( $otext ) = @_; # lots of documents start a list without doing an =over. this is # bad! but, the proper thing to do seems to be to just assume # they did do an =over. so warn them once and then continue. if( $Listlevel == 0 ){ warn "$0: $Podfile: unexpected =item directive in paragraph $Paragraph. ignoring.\n" unless $Quiet; process_over(); } # remove formatting instructions from the text my $text = depod( $otext ); # all the list variants: if( $text =~ /\A\*/ ){ # bullet new_listitem( 'ul' ); if ($text =~ /\A\*\s+(\S.*)\Z/s ) { # with additional text my $tag = $1; $otext =~ s/\A\*\s+//; emit_item_tag( $otext, $tag, 1 ); print HTML "\n"; } } elsif( $text =~ /\A\d+/ ){ # numbered list new_listitem( 'ol' ); if ($text =~ /\A(?>\d+\.?)\s*(\S.*)\Z/s ) { # with additional text my $tag = $1; $otext =~ s/\A\d+\.?\s*//; emit_item_tag( $otext, $tag, 1 ); print HTML "\n"; } } else { # definition list # new_listitem takes care of opening the
    tag new_listitem( 'dl' ); if ($text =~ /\A(.+)\Z/s ){ # should have text emit_item_tag( $otext, $text, 1 ); # write the definition term and close
    tag print HTML "
    \n"; } # trigger opening a
    tag for the actual definition; will not # happen if next paragraph is also a definition term (=item) $ListNewTerm = 1; } print HTML "\n"; } # # process_over - process a pod over tag and start a corresponding HTML list. # sub process_over { # start a new list $Listlevel++; push( @Items_Seen, 0 ); } # # process_back - process a pod back tag and convert it to HTML format. # sub process_back { if( $Listlevel == 0 ){ warn "$0: $Podfile: unexpected =back directive in paragraph $Paragraph. ignoring.\n" unless $Quiet; return; } # close off the list. note, I check to see if $Listtype[$Listlevel] is # defined because an =item directive may have never appeared and thus # $Listtype[$Listlevel] may have never been initialized. $Listlevel--; if( defined $Listtype[$Listlevel] ){ if ( $Listtype[$Listlevel] eq 'dl' ){ print HTML "
    \n" unless $ListNewTerm; } else { print HTML "\n"; } print HTML "\n"; pop( @Listtype ); $ListNewTerm = 0; } # clean up item count pop( @Items_Seen ); } # # process_cut - process a pod cut tag, thus start ignoring pod directives. # sub process_cut { $Ignore = 1; } # # process_pod - process a pod tag, thus stop ignoring pod directives # until we see a corresponding cut. # sub process_pod { # no need to set $Ignore to 0 cause the main loop did it } # # process_for - process a =for pod tag. if it's for html, spit # it out verbatim, if illustration, center it, otherwise ignore it. # sub process_for { my($whom, $text) = @_; if ( $whom =~ /^(pod2)?html$/i) { print HTML $text; } elsif ($whom =~ /^illustration$/i) { 1 while chomp $text; for my $ext (qw[.png .gif .jpeg .jpg .tga .pcl .bmp]) { $text .= $ext, last if -r "$text$ext"; } print HTML qq{

    $text illustration

    }; } } # # process_begin - process a =begin pod tag. this pushes # whom we're beginning on the begin stack. if there's a # begin stack, we only print if it us. # sub process_begin { my($whom, $text) = @_; $whom = lc($whom); push (@Begin_Stack, $whom); if ( $whom =~ /^(pod2)?html$/) { print HTML $text if $text; } } # # process_end - process a =end pod tag. pop the # begin stack. die if we're mismatched. # sub process_end { my($whom, $text) = @_; $whom = lc($whom); if (!defined $Begin_Stack[-1] or $Begin_Stack[-1] ne $whom ) { Carp::confess("Unmatched begin/end at chunk $Paragraph in pod $Podfile\n") } pop( @Begin_Stack ); } # # process_pre - indented paragraph, made into
    
    #
    sub process_pre {
        my( $text ) = @_;
        my( $rest );
        return if $Ignore;
    
        $rest = $$text;
    
        # insert spaces in place of tabs
        $rest =~ s#(.+)#
    	    my $line = $1;
                1 while $line =~ s/(\t+)/' ' x ((length($1) * 8) - $-[0] % 8)/e;
    	    $line;
    	#eg;
    
        my @line = split /\n/, $rest;
        my $comments = !grep !/^\s*(#.*)?$/, @line;
    
        # Try to colorize the block as Perl sample code
        if (($comments || $rest =~ /[;{]/) &&
            eval {require ActiveState::Scineplex})
        {
    	my $prefix;
    	my $input = $rest; # Don't modify $rest in case the colorizer fails
    	if ($input =~ /^( +)/) {
    	    $prefix = $1;
    	    s/^$prefix// for @line;
    	    $input = join("\n", @line, "");
    	}
    	my $styled = eval { ActiveState::Scineplex::Annotate($input, 'perl', outputFormat => 'html') };
    	if ($styled) {
    	    # If this really looks like code, then we don't want
    	    # to add hyperlinks to URLs embedded in strings etc.
    	    if ($prefix) {
    		$$text = $prefix . join("\n$prefix", split("\n", $styled)) . "\n";
    	    }
    	    else {
    		$$text = $styled;
    	    }
    	    return;
    	}
        }
    
        # convert some special chars to HTML escapes
        $rest = html_escape($rest);
    
        # try and create links for all occurrences of perl.* within
        # the preformatted text.
        $rest =~ s{
    	         (\s*)(perl\w+)
    	      }{
    		 if ( defined $Pages{$2} ){	# is a link
    		     qq($1$2);
    		 } elsif (defined $Pages{dosify($2)}) {	# is a link
    		     qq($1$2);
    		 } else {
    		     "$1$2";
    		 }
    	      }xeg;
         $rest =~ s{
    		 ('
    	|			# or:
    	    [$punc]*		# 0 or more punctuation
    	    (?:			#   followed
    		[^$any]		#   by a non-url char
    	    |			#   or
    		$		#   end of the string
    	    )			#
    	|			# or else
    	    $			#   then end of the string
            )
          }{$1}igox;
    
        # text should be as it is (verbatim)
        $$text = $rest;
    }
    
    
    #
    # pure text processing
    #
    # pure_text/inIS_text: differ with respect to automatic C<> recognition.
    # we don't want this to happen within IS
    #
    sub pure_text($){
        my $text = shift();
        process_puretext( $text, 1 );
    }
    
    sub inIS_text($){
        my $text = shift();
        process_puretext( $text, 0 );
    }
    
    #
    # process_puretext - process pure text (without pod-escapes) converting
    #  double-quotes and handling implicit C<> links.
    #
    sub process_puretext {
        my($text, $notinIS) = @_;
    
        ## Guessing at func() or [\$\@%&]*var references in plain text is destined
        ## to produce some strange looking ref's. uncomment to disable:
        ## $notinIS = 0;
    
        my(@words, $lead, $trail);
    
        # keep track of leading and trailing white-space
        $lead  = ($text =~ s/\A(\s+)//s ? $1 : "");
        $trail = ($text =~ s/(\s+)\Z//s ? $1 : "");
    
        # split at space/non-space boundaries
        @words = split( /(?<=\s)(?=\S)|(?<=\S)(?=\s)/, $text );
    
        # process each word individually
        foreach my $word (@words) {
    	# skip space runs
     	next if $word =~ /^\s*$/;
    	# see if we can infer a link or a function call
    	#
    	# NOTE: This is a word based search, it won't automatically
    	# mark "substr($var, 1, 2)" because the 1st word would be "substr($var"
    	# User has to enclose those with proper C<>
    
    	if( $notinIS && $word =~
    	    m/
    		^([a-z_]{2,})                 # The function name
    		\(
    		    ([0-9][a-z]*              # Manual page(1) or page(1M)
    		    |[^)]*[\$\@\%][^)]+       # ($foo), (1, @foo), (%hash)
    		    |                         # ()
    		    )
    		\)
    		([.,;]?)$                     # a possible punctuation follows
    	    /xi
    	) {
    	    # has parenthesis so should have been a C<> ref
                ## try for a pagename (perlXXX(1))?
                my( $func, $args, $rest ) = ( $1, $2, $3 || '' );
                if( $args =~ /^\d+$/ ){
                    my $url = page_sect( $word, '' );
                    if( defined $url ){
                        $word = qq(the $word manpage$rest);
                        next;
                    }
                }
                ## try function name for a link, append tt'ed argument list
                $word = emit_C( $func, '', "($args)") . $rest;
    
    #### disabled. either all (including $\W, $\w+{.*} etc.) or nothing.
    ##      } elsif( $notinIS && $word =~ /^[\$\@%&*]+\w+$/) {
    ##	    # perl variables, should be a C<> ref
    ##	    $word = emit_C( $word );
    
    	} elsif ($word =~ m,^\w+://\w,) {
    	    # looks like a URL
                # Don't relativize it: leave it as the author intended
    	    $word = qq($word);
    	} elsif ($word =~ /[\w.-]+\@[\w-]+\.\w/) {
    	    # looks like an e-mail address
    	    my ($w1, $w2, $w3) = ("", $word, "");
    	    ($w1, $w2, $w3) = ("(", $1, ")$2") if $word =~ /^\((.*?)\)(,?)/;
    	    ($w1, $w2, $w3) = ("<", $1, ">$2") if $word =~ /^<(.*?)>(,?)/;
    	    $word = qq($w1$w2$w3);
    	} else {
    	    $word = html_escape($word) if $word =~ /["&<>]/;
    	}
        }
    
        # put everything back together
        return $lead . join( '', @words ) . $trail;
    }
    
    
    #
    # process_text - handles plaintext that appears in the input pod file.
    # there may be pod commands embedded within the text so those must be
    # converted to html commands.
    #
    
    sub process_text1($$;$$);
    sub pattern ($) { $_[0] ? '\s+'.('>' x ($_[0] + 1)) : '>' }
    sub closing ($) { local($_) = shift; (defined && s/\s+\z//) ? length : 0 }
    
    sub process_text {
        return if $Ignore;
        my( $tref ) = @_;
        my $res = process_text1( 0, $tref );
        $res =~ s/\s+$//s;
        $$tref = $res;
    }
    
    sub process_text_rfc_links {
        my $text = shift;
    
        # For every "RFCnnnn" or "RFC nnn", link it to the authoritative
        # ource. Do not use the /i modifier here. Require "RFC" to be written in
        #  in capital letters.
    
        $text =~ s{
    	(?<=[^<>[:alpha:]])           # Make sure this is not an URL already
    	(RFC\s*([0-9]{1,5}))(?![0-9]) # max 5 digits
        }
        {$1}gx;
    
        $text;
    }
    
    sub process_text1($$;$$){
        my( $lev, $rstr, $func, $closing ) = @_;
        my $res = '';
    
        unless (defined $func) {
    	$func = '';
    	$lev++;
        }
    
        if( $func eq 'B' ){
    	# B - boldface
    	$res = '' . process_text1( $lev, $rstr ) . '';
    
        } elsif( $func eq 'C' ){
    	# C - can be a ref or 
    	# need to extract text
    	my $par = go_ahead( $rstr, 'C', $closing );
    
    	## clean-up of the link target
            my $text = depod( $par );
    
    	### my $x = $par =~ /[BI]call emit_C($par) lev=$lev, par with BI=$x\n";
    
    	$res = emit_C( $text, $lev > 1 || ($par =~ /[BI] - convert to character
    	$$rstr =~ s/^([^>]*)>//;
    	my $escape = $1;
    	$escape =~ s/^0?x([\dA-F]+)$/#x$1/i
    	or $escape =~ s/^0([0-7]+)$/'#'.oct($1)/ei
    	or $escape =~ s/^(\d+)$/#$1/;
    	$res = "&$escape;";
    
        } elsif( $func eq 'F' ){
    	# F - italicize
    	$res = '' . process_text1( $lev, $rstr ) . '';
    
        } elsif( $func eq 'I' ){
    	# I - italicize
    	$res = '' . process_text1( $lev, $rstr ) . '';
    
        } elsif( $func eq 'L' ){
    	# L - link
    	## L => produce text, use cross-ref for linking
    	## L => make text from cross-ref
    	## need to extract text
    	my $par = go_ahead( $rstr, 'L', $closing );
    
            # some L<>'s that shouldn't be:
    	# a) full-blown URL's are emitted as-is
            if( $par =~ m{^\w+://}s ){
    	    return make_URL_href( $par );
    	}
            # b) C<...> is stripped and treated as C<>
            if( $par =~ /^C<(.*)>$/ ){
    	    my $text = depod( $1 );
     	    return emit_C( $text, $lev > 1 || ($par =~ /[BI] L<$par> to page $page, ident $ident\n";
    
    	} elsif( $par =~ m{^(.*?)/"?(.*?)"?$} ){ # [name]/"section"
                # even though this should be a "section", we go for ident first
    	    ( $page, $ident ) = ( $1, $2 );
                ### print STDERR "--> L<$par> to page $page, section $section\n";
    
    	} elsif( $par =~ /\s/ ){  # this must be a section with missing quotes
    	    ( $page, $section ) = ( '', $par );
                ### print STDERR "--> L<$par> to void page, section $section\n";
    
            } else {
    	    ( $page, $section ) = ( $par, '' );
                ### print STDERR "--> L<$par> to page $par, void section\n";
    	}
    
            # now, either $section or $ident is defined. the convoluted logic
            # below tries to resolve L<> according to what the user specified.
            # failing this, we try to find the next best thing...
            my( $url, $ltext, $fid );
    
            RESOLVE: {
                if( defined $ident ){
                    ## try to resolve $ident as an item
    	        ( $url, $fid ) = coderef( $page, $ident );
                    if( $url ){
                        if( ! defined( $linktext ) ){
                            $linktext = $ident;
                            $linktext .= " in " if $ident && $page;
                            $linktext .= "the $page manpage" if $page;
                        }
                        ###  print STDERR "got coderef url=$url\n";
                        last RESOLVE;
                    }
                    ## no luck: go for a section (auto-quoting!)
                    $section = $ident;
                }
                ## now go for a section
                my $htmlsection = htmlify( $section );
     	    $url = page_sect( $page, $htmlsection );
                if( $url ){
                    if( ! defined( $linktext ) ){
                        $linktext = $section;
                        $linktext .= " in " if $section && $page;
                        $linktext .= "the $page manpage" if $page;
                    }
                    ### print STDERR "got page/section url=$url\n";
                    last RESOLVE;
                }
                ## no luck: go for an ident
                if( $section ){
                    $ident = $section;
                } else {
                    $ident = $page;
                    $page  = undef();
                }
                ( $url, $fid ) = coderef( $page, $ident );
                if( $url ){
                    if( ! defined( $linktext ) ){
                        $linktext = $ident;
                        $linktext .= " in " if $ident && $page;
                        $linktext .= "the $page manpage" if $page;
                    }
                    ### print STDERR "got section=>coderef url=$url\n";
                    last RESOLVE;
                }
    
                # warning; show some text.
                $linktext = $opar unless defined $linktext;
                warn "$0: $Podfile: cannot resolve L<$opar> in paragraph $Paragraph.\n" unless $Quiet;
            }
    
            # now we have a URL or just plain code
            $$rstr = $linktext . '>' . $$rstr;
            if( defined( $url ) ){
                $res = "" . process_text1( $lev, $rstr ) . '';
            } else {
    	    $res = '' . process_text1( $lev, $rstr ) . '';
            }
    
        } elsif( $func eq 'S' ){
    	# S - non-breaking spaces
    	$res = process_text1( $lev, $rstr );
    	$res =~ s/ / /g;
    
        } elsif( $func eq 'X' ){
    	# X<> - ignore
    	warn "$0: $Podfile: invalid X<> in paragraph $Paragraph.\n"
    	    unless $$rstr =~ s/^[^>]*>// or $Quiet;
        } elsif( $func eq 'Z' ){
    	# Z<> - empty
    	warn "$0: $Podfile: invalid Z<> in paragraph $Paragraph.\n"
    	    unless $$rstr =~ s/^>// or $Quiet;
    
        } else {
            my $term = pattern $closing;
    	while( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)//s ){
    	    # all others: either recurse into new function or
    	    # terminate at closing angle bracket(s)
    	    my $pt = $1;
                $pt .= $2 if !$3 &&  $lev == 1;
    	    $res .= $lev == 1 ? pure_text( $pt ) : inIS_text( $pt );
    	    return $res if !$3 && $lev > 1;
                if( $3 ){
    		$res .= process_text1( $lev, $rstr, $3, closing $4 );
     	    }
    	}
    	if( $lev == 1 ){
    	    $res .= pure_text( $$rstr );
    	} elsif( ! $Quiet ) {
                my $snippet = substr($$rstr,0,60);
                warn "$0: $Podfile: undelimited $func<> in paragraph $Paragraph: '$snippet'.\n" 
                    
    	}
    	$res = process_text_rfc_links($res);
        }
        return $res;
    }
    
    #
    # go_ahead: extract text of an IS (can be nested)
    #
    sub go_ahead($$$){
        my( $rstr, $func, $closing ) = @_;
        my $res = '';
        my @closing = ($closing);
        while( $$rstr =~
          s/\A(.*?)(([BCEFILSXZ])<(<+\s+)?|@{[pattern $closing[0]]})//s ){
    	$res .= $1;
    	unless( $3 ){
    	    shift @closing;
    	    return $res unless @closing;
    	} else {
    	    unshift @closing, closing $4;
    	}
    	$res .= $2;
        }
        unless ($Quiet) {
            my $snippet = substr($$rstr,0,60);
            warn "$0: $Podfile: undelimited $func<> in paragraph $Paragraph (go_ahead): '$snippet'.\n" 
        }	        
        return $res;
    }
    
    #
    # emit_C - output result of C
    #    $text is the depod-ed text
    #
    sub emit_C($;$$){
        my( $text, $nocode, $args ) = @_;
        $args = '' unless defined $args;
        my $res;
        my( $url, $fid ) = coderef( undef(), $text );
    
        # need HTML-safe text
        my $linktext = html_escape( "$text$args" );
    
        if( defined( $url ) &&
            (!defined( $EmittedItem ) || $EmittedItem ne $fid ) ){
    	$res = "$linktext";
        } elsif( 0 && $nocode ){
    	$res = $linktext;
        } else {
    	$res = "$linktext";
        }
        return $res;
    }
    
    #
    # html_escape: make text safe for HTML
    #
    sub html_escape {
        my $rest = $_[0];
        $rest   =~ s/&/&/g;
        $rest   =~ s//>/g;
        $rest   =~ s/"/"/g;
        # ' is only in XHTML, not HTML4.  Be conservative
        #$rest   =~ s/'/'/g;
        return $rest;
    }
    
    
    #
    # dosify - convert filenames to 8.3
    #
    sub dosify {
        my($str) = @_;
        return lc($str) if $^O eq 'VMS';     # VMS just needs casing
        if ($Is83) {
            $str = lc $str;
            $str =~ s/(\.\w+)/substr ($1,0,4)/ge;
            $str =~ s/(\w+)/substr ($1,0,8)/ge;
        }
        return $str;
    }
    
    #
    # page_sect - make a URL from the text of a L<>
    #
    sub page_sect($$) {
        my( $page, $section ) = @_;
        my( $linktext, $page83, $link);	# work strings
    
        # check if we know that this is a section in this page
        if (!defined $Pages{$page} && defined $Sections{$page}) {
    	$section = $page;
    	$page = "";
            ### print STDERR "reset page='', section=$section\n";
        }
    
        $page83=dosify($page);
        $page=$page83 if (defined $Pages{$page83});
        if ($page eq "") {
            $link = "#" . anchorify( $section );
        } elsif ( $page =~ /::/ ) {
    	$page =~ s,::,/,g;
    	# Search page cache for an entry keyed under the html page name,
    	# then look to see what directory that page might be in.  NOTE:
    	# this will only find one page. A better solution might be to produce
    	# an intermediate page that is an index to all such pages.
    	my $page_name = $page ;
    	$page_name =~ s,^.*/,,s ;
    	if ( defined( $Pages{ $page_name } ) &&
    	     $Pages{ $page_name } =~ /([^:]*$page)\.(?:pod|pm):/
    	   ) {
    	    $page = $1 ;
    	}
    	else {
    	    # NOTE: This branch assumes that all A::B pages are located in
    	    # $Htmlroot/A/B.html . This is often incorrect, since they are
    	    # often in $Htmlroot/lib/A/B.html or such like. Perhaps we could
    	    # analyze the contents of %Pages and figure out where any
    	    # cousins of A::B are, then assume that.  So, if A::B isn't found,
    	    # but A::C is found in lib/A/C.pm, then A::B is assumed to be in
    	    # lib/A/B.pm. This is also limited, but it's an improvement.
    	    # Maybe a hints file so that the links point to the correct places
    	    # nonetheless?
    
    	}
    	$link = "$Htmlroot/$page.html";
    	$link .= "#" . anchorify( $section ) if ($section);
        } elsif (!defined $Pages{$page}) {
    	$link = "";
        } else {
    	$section = anchorify( $section ) if $section ne "";
            ### print STDERR "...section=$section\n";
    
    	# if there is a directory by the name of the page, then assume that an
    	# appropriate section will exist in the subdirectory
    #	if ($section ne "" && $Pages{$page} =~ /([^:]*[^(\.pod|\.pm)]):/) {
    	if ($section ne "" && $Pages{$page} =~ /([^:]*(?, Foo.(pod|pm) is preferred to A/Foo.(pod|pm)
    	    if ($Pages{$page} =~ /([^:]*)\.(?:pod|pm):/) {
    		$link = "$Htmlroot/$1.html$section";
    	    } else {
    		$link = "";
    	    }
    	}
        }
    
        if ($link) {
    	# Here, we take advantage of the knowledge that $Htmlfileurl ne ''
    	# implies $Htmlroot eq ''. This means that the link in question
    	# needs a prefix of $Htmldir if it begins with '/'. The test for
    	# the initial '/' is done to avoid '#'-only links, and to allow
    	# for other kinds of links, like file:, ftp:, etc.
            my $url ;
            if (  $Htmlfileurl ne '' ) {
                $link = "$Htmldir$link" if $link =~ m{^/}s;
                $url = relativize_url( $link, $Htmlfileurl );
    # print( "  b: [$link,$Htmlfileurl,$url]\n" );
    	}
    	else {
                $url = $link ;
    	}
    	return $url;
    
        } else {
    	return undef();
        }
    }
    
    #
    # relativize_url - convert an absolute URL to one relative to a base URL.
    # Assumes both end in a filename.
    #
    sub relativize_url {
        my ($dest,$source) = @_ ;
    
        my ($dest_volume,$dest_directory,$dest_file) =
            File::Spec::Unix->splitpath( $dest ) ;
        $dest = File::Spec::Unix->catpath( $dest_volume, $dest_directory, '' ) ;
    
        my ($source_volume,$source_directory,$source_file) =
            File::Spec::Unix->splitpath( $source ) ;
        $source = File::Spec::Unix->catpath( $source_volume, $source_directory, '' ) ;
    
        my $rel_path = '' ;
        if ( $dest ne '' ) {
           $rel_path = File::Spec::Unix->abs2rel( $dest, $source ) ;
        }
    
        if ( $rel_path ne ''                &&
             substr( $rel_path, -1 ) ne '/' &&
             substr( $dest_file, 0, 1 ) ne '#'
            ) {
            $rel_path .= "/$dest_file" ;
        }
        else {
            $rel_path .= "$dest_file" ;
        }
    
        return $rel_path ;
    }
    
    
    #
    # coderef - make URL from the text of a C<>
    #
    sub coderef($$){
        my( $page, $item ) = @_;
        my( $url );
    
        my $fid = fragment_id( $item );
        
        if( defined( $page ) && $page ne "" ){
    	# we have been given a $page...
    	$page =~ s{::}{/}g;
    
            Carp::confess("Undefined fragment '$item' from fragment_id() in coderef() in $Podfile")
                if !defined $fid;    
    	# Do we take it? Item could be a section!
    	my $base = $Items{$fid} || "";
    	$base =~ s{[^/]*/}{};
    	if( $base ne "$page.html" ){
                ###   print STDERR "coderef( $page, $item ): items{$fid} = $Items{$fid} = $base => discard page!\n";
    	    $page = undef();
    	}
    
        } else {
            # no page - local items precede cached items
    	if( defined( $fid ) ){
    	    if(  exists $Local_Items{$fid} ){
    		$page = $Local_Items{$fid};
    	    } else {
    		$page = $Items{$fid};
    	    }
    	}
        }
    
        # if there was a pod file that we found earlier with an appropriate
        # =item directive, then create a link to that page.
        if( defined $page ){
    	if( $page ){
                if( exists $Pages{$page} and $Pages{$page} =~ /([^:.]*)\.[^:]*:/){
    		$page = $1 . '.html';
    	    }
    	    my $link = "$Htmlroot/$page#" . anchorify($fid);
    
    	    # Here, we take advantage of the knowledge that $Htmlfileurl
    	    # ne '' implies $Htmlroot eq ''.
    	    if (  $Htmlfileurl ne '' ) {
    		$link = "$Htmldir$link" ;
    		$url = relativize_url( $link, $Htmlfileurl ) ;
    	    } else {
    		$url = $link ;
    	    }
    	} else {
    	    $url = "#" . anchorify($fid);
    	}
    
    	confess "url has space: $url" if $url =~ /"[^"]*\s[^"]*"/;
        }
        return( $url, $fid );
    }
    
    
    
    #
    # Adapted from Nick Ing-Simmons' PodToHtml package.
    sub relative_url {
        my $source_file = shift ;
        my $destination_file = shift;
    
        my $source = URI::file->new_abs($source_file);
        my $uo = URI::file->new($destination_file,$source)->abs;
        return $uo->rel->as_string;
    }
    
    
    #
    # finish_list - finish off any pending HTML lists.  this should be called
    # after the entire pod file has been read and converted.
    #
    sub finish_list {
        if( $Listlevel ){
    	warn "$0: $Podfile: unterminated list(s) at =head in paragraph $Paragraph.  ignoring.\n" unless $Quiet;
    	while( $Listlevel ){
                process_back();
            }
        }
    }
    
    #
    # htmlify - converts a pod section specification to a suitable section
    # specification for HTML. Note that we keep spaces and special characters
    # except ", ? (Netscape problem) and the hyphen (writer's problem...).
    #
    sub htmlify {
        my( $heading) = @_;
        $heading =~ s/(\s+)/ /g;
        $heading =~ s/\s+\Z//;
        $heading =~ s/\A\s+//;
        # The hyphen is a disgrace to the English language.
        # $heading =~ s/[-"?]//g;
        $heading =~ s/["?]//g;
        $heading = lc( $heading );
        return $heading;
    }
    
    #
    # similar to htmlify, but turns non-alphanumerics into underscores
    #
    sub anchorify {
        my ($anchor) = @_;
        $anchor = htmlify($anchor);
        $anchor =~ s/\W/_/g;
        return $anchor;
    }
    
    #
    # depod - convert text by eliminating all interior sequences
    # Note: can be called with copy or modify semantics
    #
    my %E2c;
    $E2c{lt}     = '<';
    $E2c{gt}     = '>';
    $E2c{sol}    = '/';
    $E2c{verbar} = '|';
    $E2c{amp}    = '&'; # in Tk's pods
    
    sub depod1($;$$);
    
    sub depod($){
        my $string;
        if( ref( $_[0] ) ){
    	$string =  ${$_[0]};
            ${$_[0]} = depod1( \$string );
        } else {
    	$string =  $_[0];
            depod1( \$string );
        }
    }
    
    sub depod1($;$$){
      my( $rstr, $func, $closing ) = @_;
      my $res = '';
      return $res unless defined $$rstr;
      if( ! defined( $func ) ){
          # skip to next begin of an interior sequence
          while( $$rstr =~ s/\A(.*?)([BCEFILSXZ])<(<+[^\S\n]+)?//s ){
             # recurse into its text
    	  $res .= $1 . depod1( $rstr, $2, closing $3);
          }
          $res .= $$rstr;
      } elsif( $func eq 'E' ){
          # E - convert to character
          $$rstr =~ s/^([^>]*)>//;
          $res .= $E2c{$1} || "";
      } elsif( $func eq 'X' ){
          # X<> - ignore
          $$rstr =~ s/^[^>]*>//;
      } elsif( $func eq 'Z' ){
          # Z<> - empty
          $$rstr =~ s/^>//;
      } else {
          # all others: either recurse into new function or
          # terminate at closing angle bracket
          my $term = pattern $closing;
          while( $$rstr =~ s/\A(.*?)(([BCEFILSXZ])<(<+[^\S\n]+)?|$term)//s ){
    	  $res .= $1;
    	  last unless $3;
              $res .= depod1( $rstr, $3, closing $4 );
          }
          ## If we're here and $2 ne '>': undelimited interior sequence.
          ## Ignored, as this is called without proper indication of where we are.
          ## Rely on process_text to produce diagnostics.
      }
      return $res;
    }
    
    {
        my %seen;   # static fragment record hash
    
    sub fragment_id_readable {
        my $text     = shift;
        my $generate = shift;   # optional flag
    
        my $orig = $text;
    
        # leave the words for the fragment identifier,
        # change everything else to underbars.
        $text =~ s/[^A-Za-z0-9_]+/_/g; # do not use \W to avoid locale dependency.
        $text =~ s/_{2,}/_/g;
        $text =~ s/\A_//;
        $text =~ s/_\Z//;
    
        unless ($text)
        {
            # Nothing left after removing punctuation, so leave it as is
            # E.g. if option is named: "=item -#"
    
            $text = $orig;
        }
    
        if ($generate) {
            if ( exists $seen{$text} ) {
                # This already exists, make it unique
                $seen{$text}++;
                $text = $text . $seen{$text};
            } else {
                $seen{$text} = 1;  # first time seen this fragment
            }
        }
    
        $text;
    }}
    
    my @HC;
    sub fragment_id_obfuscated {  # This was the old "_2d_2d__"
        my $text     = shift;
        my $generate = shift;   # optional flag
    
        # text? Normalize by obfuscating the fragment id to make it unique
        $text =~ s/\s+/_/sg;
    
        $text =~ s{(\W)}{
            defined( $HC[ord($1)] ) ? $HC[ord($1)]
            : ( $HC[ord($1)] = sprintf( "%%%02X", ord($1) ) ) }gxe;
        $text = substr( $text, 0, 50 );
    
        $text;
    }
    
    #
    # fragment_id - construct a fragment identifier from:
    #   a) =item text
    #   b) contents of C<...>
    #
    
    sub fragment_id {
        my $text     = shift;
        my $generate = shift;   # optional flag
    
        $text =~ s/\s+\Z//s;
        if( $text ){
    	# a method or function?
    	return $1 if $text =~ /(\w+)\s*\(/;
    	return $1 if $text =~ /->\s*(\w+)\s*\(?/;
    
    	# a variable name?
    	return $1 if $text =~ /^([\$\@%*]\S+)/;
    
    	# some pattern matching operator?
    	return $1 if $text =~ m|^(\w+/).*/\w*$|;
    
    	# fancy stuff... like "do { }"
    	return $1 if $text =~ m|^(\w+)\s*{.*}$|;
    
    	# honour the perlfunc manpage: func [PAR[,[ ]PAR]...]
    	# and some funnies with ... Module ...
    	return $1 if $text =~ m{^([a-z\d_]+)(\s+[A-Z,/& ][A-Z\d,/& ]*)?$};
    	return $1 if $text =~ m{^([a-z\d]+)\s+Module(\s+[A-Z\d,/& ]+)?$};
    
    	return fragment_id_readable($text, $generate);
        } else {
    	return;
        }
    }
    
    #
    # make_URL_href - generate HTML href from URL
    # Special treatment for CGI queries.
    #
    sub make_URL_href($){
        my( $url ) = @_;
        if( $url !~
            s{^(http:[-\w/#~:.+=&%@!]+)(\?.*)$}{$1}i ){
            $url = "$url";
        }
        return $url;
    }
    
    1;