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use strict;
require Exporter;

use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
$VERSION = 1.15_02;
@ISA = qw(Exporter);
@EXPORT = qw(pod2html htmlify);
@EXPORT_OK = qw(anchorify);

use Carp;
use Config;
use Cwd;
use File::Basename;
use File::Spec;
use File::Spec::Unix;
use Getopt::Long;
use Pod::Simple::Search;

use locale; # make \w work right in non-ASCII lands

=head1 NAME

Pod::Html - module to convert pod files to HTML

=head1 SYNOPSIS

    use Pod::Html;
    pod2html([options]);

=head1 DESCRIPTION

Converts files from pod format (see L<perlpod>) to HTML format.  It
can automatically generate indexes and cross-references, and it keeps
a cache of things it knows how to cross-reference.

=head1 FUNCTIONS

=head2 pod2html

    pod2html("pod2html",
             "--podpath=lib:ext:pod:vms",
             "--podroot=/usr/src/perl",
             "--htmlroot=/perl/nmanual",
             "--recurse",
             "--infile=foo.pod",
             "--outfile=/perl/nmanual/foo.html");

pod2html takes the following arguments:

=over 4

=item backlink

    --backlink

Turns every C<head1> heading into a link back to the top of the page.
By default, no backlinks are generated.

=item cachedir

    --cachedir=name

Creates the directory cache in the given directory.

=item css

    --css=stylesheet

Specify the URL of a cascading style sheet.  Also disables all HTML/CSS
C<style> attributes that are output by default (to avoid conflicts).

=item flush

    --flush

Flushes the directory cache.

=item header

    --header
    --noheader

Creates header and footer blocks containing the text of the C<NAME>
section.  By default, no headers are generated.

=item help

    --help

Displays the usage message.

=item htmldir

    --htmldir=name

Sets the directory to which all cross references in the resulting
html file will be relative. Not passing this causes all links to be
absolute since this is the value that tells Pod::Html the root of the 
documentation tree.

Do not use this and --htmlroot in the same call to pod2html; they are
mutually exclusive.

=item htmlroot

    --htmlroot=name

Sets the base URL for the HTML files.  When cross-references are made,
the HTML root is prepended to the URL.

Do not use this if relative links are desired: use --htmldir instead.

Do not pass both this and --htmldir to pod2html; they are mutually
exclusive.

=item index

    --index
    --noindex

Generate an index at the top of the HTML file.  This is the default
behaviour.

=item infile

    --infile=name

Specify the pod file to convert.  Input is taken from STDIN if no
infile is specified.

=item outfile

    --outfile=name

Specify the HTML file to create.  Output goes to STDOUT if no outfile
is specified.

=item poderrors

    --poderrors
    --nopoderrors

Include a "POD ERRORS" section in the outfile if there were any POD 
errors in the infile. This section is included by default.

=item podpath

    --podpath=name:...:name

Specify which subdirectories of the podroot contain pod files whose
HTML converted forms can be linked to in cross references.

=item podroot

    --podroot=name

Specify the base directory for finding library pods. Default is the
current working directory.

=item quiet

    --quiet
    --noquiet

Don't display I<mostly harmless> warning messages.  These messages
will be displayed by default.  But this is not the same as C<verbose>
mode.

=item recurse

    --recurse
    --norecurse

Recurse into subdirectories specified in podpath (default behaviour).

=item title

    --title=title

Specify the title of the resulting HTML file.

=item verbose

    --verbose
    --noverbose

Display progress messages.  By default, they won't be displayed.

=back

=head2 htmlify

    htmlify($heading);

Converts a pod section specification to a suitable section specification
for HTML. Note that we keep spaces and special characters except
C<",