#?SuikaWikiConfig/2.0

Plugin:
  @Name: WikiLinking
  @Description:
    @@@: Wiki hyperlinking support
    @@lang:en
  @License: %%Perl%%
  @Author:
    @@Name:
      @@@@: Wakaba
      @@@lang:ja
      @@@script:Latn
    @@Mail[list]: w@suika.fam.cx
  @Date.RCS:
    $Date: 2004/08/06 03:37:04 $
  @Use:
    use Message::Util::Error;
    our $NestLevel = 0;
    my $WIKIRESOURCE;
    my $ERROR;
    my $LINK_TO_RESOURCE;
  @Namespace:
    @@iw:
      http://suika.fam.cx/~wakaba/archive/2004/8/6/sw-iw#

PluginConst:
  @NS_XHTML1:
    http://www.w3.org/1999/xhtml
  @NS_XHTML2:
    http://www.w3.org/2002/06/xhtml2
  @NS_XLINK:
    http://www.w3.org/1999/xlink
  @NS_HLINK:
    http://www.w3.org/2002/06/hlink
  @ERROR:
    {($ERROR ||= SuikaWiki::Plugin->module_package ('Error'))}
  @LINK_TO_RESOURCE:
    {($LINK_TO_RESOURCE||=SuikaWiki::Plugin->formatter ('link_to_resource'))}
  @WIKIRESOURCE:
    {($WIKIRESOURCE ||= SuikaWiki::Plugin->module_package ('WikiResource'))}

FormattingRule:
  @Category[list]:
    view
    view-resource
    form-input
    page-link
    link-to-resource
  @Name: link-to-wikipage
  @Description:
    @@@:
      Creating "from" anchor field of a link whose "to" is a WikiPage
    @@lang: en
  @Parameter:
    @@Name: base-page
    @@Type: WikiName
    @@Default: (current)
    @@Description:
      @@@@:Base WikiName (Relative WikiName is resolved with)
      @@@lang:en
  @Parameter:
    @@Name: hreflang
    @@Type:
      HTML4:LanguageCode
    @@Default:(none)
    @@Description:
      @@@@:(Human) language the linked WikiPage written in
      @@@lang:en
  @Parameter:
    @@Name: hreftype
    @@Type:
      HTML4:ContentType
    @@Default:(none)
    @@Description:
      @@@@:Media type the linked WikiPage provided with
      @@@lang:en
  @Parameter:
    @@Name:label
    @@Type:CDATA
    @@Default:(auto)
    @@Description:
      @@@@:Source anchor label
      @@@lang:en
  @Parameter:
    @@Name: mode
    @@Type: WikiMode
    @@Default:(default)
    @@Description:
      @@@@:Mode of the Wiki linked to
      @@@lang:en
  @Parameter:
    @@Name: page
    @@Type: WikiName
    @@Default: (current)
    @@Description:
      @@@@:WikiPage linked to
      @@@lang:en
  @Parameter:
    @@Name: page-anchor-name
    @@Type:
      XML:ID
    @@Default: (none)
    @@Description:
      @@@@:Identifier in the WikiPage linked to
      @@@lang:en
  @Parameter:
    @@Name: page-anchor-no
    @@Type:
      SGML:NUMBER
    @@Default: (none)
    @@Description:
      @@@@:Numeral anchor index in the WikiPage linked to
      @@@lang:en
  @Parameter:
    @@Name: page-title
    @@Type:CDATA
    @@Default:(auto)
    @@Description:
      @@@@:Title of the WikiPage linked to
      @@@lang:en
  @Parameter:
    @@Name: rel
    @@Type:
      HTML4:LinkTypes
    @@Default:(none)
    @@Description:
      @@@@:Link relationships
      @@@lang:en
  @Parameter:
    @@Name: rev
    @@Type:
      HTML4:LinkTypes
    @@Default:(none)
    @@Description:
      @@@@:Link relationship (reverse)
      @@@lang:en
  @Parameter:
    @@Name: up-to-date
    @@Type: boolean
    @@Default: "0"
    @@Description:
      @@@@:Appends random "up-to-date" parameter to the URI reference
      @@@lang:en
  @Parameter:
    @@Name: with-lm
    @@Type: boolean
    @@Default:"0"
    @@Description:
      @@@@:Appends "last-modified" parameter to the URI reference
      @@@lang:en
  @Formatting:
    __ATTRNODE:%page_title__;
    __ATTRTEXT:%class__;
    __ATTRTEXT:%label__;
    __ATTRTEXT:%page__;__ATTRTEXT:%base_page__;__ATTRTEXT:%page_anchor_no__;
    __ATTRTEXT:%with_lm__;__ATTRTEXT:%up_to_date__;
    __ATTRTEXT:%page_anchor_name__;
    __ATTRTEXT:%hreflang__;__ATTRTEXT:%hreftype__;
    __ATTRTEXT:%mode__;
    __ATTRTEXT:%rel__;__ATTRTEXT:%rev__;
  __FUNCPACK__->to_wikipage_in_html ({
          label            => $p->{label},
        } => {
          base             => $o->{wiki}->name ($p->{base_page} ||
                                                $o->{wiki}->{var}->{page}),
          page_name_relative => $o->{wiki}->name ($p->{page} ||
                                                  $o->{wiki}->{var}->{page}),
          page_anchor_no   => $p->{page_anchor_no},
          page_anchor_name => $p->{page_anchor_name},
          page_title       => $p->{page_title},
          wiki_mode        => $p->{mode},
          _with_lm         => $p->{with_lm},
          _up_to_date      => $p->{up_to_date},
          -hreflang        => $p->{hreflang},
          -hreftype        => $p->{type},
        }, {
          o                => $o,
          parent           => $p->{-parent},
	  -rel             => $p->{rel},
	  -rev             => $p->{rev},
        });

FormattingRule:
  @Category[list]:
    view
    view-resource
    form-input
    page-link
    link-to-resource
  @Name: link-to-resource
  @Description:
    @@@:
      Creating source anchor field of a link whose destination is a resource
    @@lang: en
  @Parameter
    @@Name: hreflang
    @@Type:
      HTML4:LanguageCode
    @@Default:(none)
    @@Description:
      @@@@:(Human) language the linked WikiPage written in (advisory)
      @@@lang:en
  @Parameter:
    @@Name: hreftype
    @@Type:
      HTML4:ContentType
    @@Default:(none)
    @@Description:
      @@@@:Media type the linked WikiPage provided with (advisory)
      @@@lang:en
  @Parameter:
    @@Name:label
    @@Type:CDATA
    @@Default:(auto)
    @@Description:
      @@@@:Source anchor label
      @@@lang:en
  @Parameter:
    @@Name: rel
    @@Type:
      HTML4:LinkTypes
    @@Default:(none)
    @@Description:
      @@@@:Link relationships
      @@@lang:en
  @Parameter:
    @@Name: rev
    @@Type:
      HTML4:LinkTypes
    @@Default:(none)
    @@Description:
      @@@@:Link relationship (reverse)
      @@@lang:en
  @Parameter:
    @@Name: uri
    @@Type:
      HTML4:URI
    @@Default:(required)
    @@Description:
      @@@@:URI reference of the resoruce referred to
      @@@lang:en
  @Formatting:
    __ATTRTEXT:%class__;
    __ATTRTEXT:%label__;
    __ATTRTEXT:%hreflang__;__ATTRTEXT:%hreftype__;
    __ATTRTEXT:%rel__;__ATTRTEXT:%rev__;
    __ATTRTEXT:%uri__;
    my $src = {
          label               => $p->{label},
    };
    my $dest = {
          -hreflang           => $p->{hreflang},
          -hreftype           => $p->{type},
    };
    my $opt = {
          o                   => $o,
          parent              => $p->{-parent},
	  -rel                => $p->{rel},
	  -rev                => $p->{rev},
    };
    if (length $p->{uri}) {
      $dest->{uri} = $p->{uri};
    } else {
      __ATTRTEXT:%iw_name__;
      if ($p->{iw_name}) {
        __ATTRTEXT:%iw_parameter__;
        $dest->{resource_scheme} = 'IW';
        $dest->{resource_parameter} = undef;
        $dest->{-iw__name} = $p->{iw_name};
        $dest->{-iw__parameter} = $p->{iw_parameter};
        __FUNCPACK__->to_resource_in_html ($src => $dest, $opt);
        return;
      } else {
        $dest->{uri} = q<>;
      }
    }
    __FUNCPACK__->to_resource_by_uri_in_html ($src => $dest, $opt);

FormattingRule:
  @Category[list]: 
    page-link
    link-to-resource
  @Name: link-to-it
  @Description:
    @@@:
      Source anchor
    @@lang: en 
  @Parameter:
    @@Name: class
    @@Type:
      HTML4:class
    @@Default: (none)
    @@Description:
      @@@@: Class names
      @@@lang:en
  @Parameter:
    @@Name: description
    @@Type: CDATA
    @@Default: (none)
    @@Description:
      @@@@: Description of the anchor or link
      @@@lang:en
  @Parameter:
    @@Name: label
    @@Type: CDATA
    @@Default: ""
    @@Description:
      @@@@: Source anchor label (content)
      @@@lang:en
  @Formatting:
  __ATTRTEXT:%class__;
    my $A = $p->{-parent}->append_new_node (type => '#element',
                                            namespace_uri => $NS_XHTML1,
                                            local_name => 'a');
    $A->set_attribute (href => $o->{link}->{dest}->{uri});
    
    __ATTRNODE:%label->{$A}__;
    if (length $p->{description}) {
      __ATTRTEXT:%description__;
    } else {
      if ($f->{-category_name} eq 'page_link') {
        $p->{description} = $WIKIRESOURCE->get
                       (name => 'WikiLinking:LinkToIt:ToWikiPage:Description',
                        o => $o, wiki => $o->{wiki},
                        formatter_context => $f->{-category_name},
                        formatter_option => {param => $o})->inner_text;
      } else {
        $p->{description} = $WIKIRESOURCE->get
                       (name => 'WikiLinking:LinkToIt:ToResource:Description',
                        o => $o, wiki => $o->{wiki},
                        formatter_context => $f->{-category_name},
                        formatter_option => {param => $o})->inner_text;
      }
    }
    $A->set_attribute (title => $p->{description}) if $p->{description};
    my @class = split /\s+/, $p->{class};
    if ($o->{wiki}->uri_is_part_of_wiki ($o->{link}->{dest}->{absolute_uri} or
                                         $o->{link}->{dest}->{uri})) {
      push @class, 'wiki';        ## Link to the page within the Wiki
    }
    $A->set_attribute (class => join ' ', @class) if @class;

    $A->set_attribute (rel => $o->{link}->{option}->{-rel})
      if $o->{link}->{option}->{-rel};
    $A->set_attribute (rev => $o->{link}->{option}->{-rev})
      if $o->{link}->{option}->{-rev};
    
    $A->set_attribute (hreflang => $o->{link}->{dest}->{-lang})
      if $o->{link}->{dest}->{-lang};
    $A->set_attribute (type => $o->{link}->{dest}->{-type})
      if $o->{link}->{dest}->{-type};

FormattingRule:
  @Category[list]:
    page-link
    link-to-resource
  @Name: uri-reference
  @Description:
    @@@: URI Reference of destination anchor
    @@lang:en
  @Formatting:
    $p->{-parent}->append_text ($o->{link}->{dest}->{absolute_uri} or
                                $o->{link}->{dest}->{uri});

FormattingRule:
  @Category[list]: link-to-resource
  @Name: link-resource-scheme
  @Description:
    @@@: Linking scheme (defined as ReferenceScheme in SuikaWiki/0.9 syntax)
    @@lang:en
  @Formatting:
    $p->{-parent}->append_text ($o->{link}->{dest}->{resource_scheme});

FormattingRule:
  @Category[list]: link-to-resource
  @Name: link-resource-parameters
  @Description:
    @@@: Linking parameters (defined as ReferenceParameter in SuikaWiki/0.9 syntax)
    @@lang:en
  @Formatting:
    $p->{-parent}->append_text ($o->{link}->{dest}->{resource_parameter});

FormattingRule:
  @Category[list]: page-link
  @Name: link-base-page-name
  @Description:
    @@@: Base WikiPage name
    @@lang: en 
  @Formatting:
    $p->{-parent}->append_text
      ($o->{link}->{dest}->{base}->stringify (wiki => $o->{wiki}));

FormattingRule:
  @Category[list]: page-link
  @Name: link-dest-anchor-no
  @Description:
    @@@: Anchor number in the WikiPage linked to, if specified
    @@lang: en 
  @Formatting:
    $p->{-parent}->append_text ($o->{link}->{dest}->{page_anchor_no});

FormattingRule:
  @Category[list]: link-to-resource
  @Name: if-link-resource-scheme
  @Description:
    @@@: If or if not resource pointing scheme matches to
    @@lang:en
  @Parameter:
    @@Name: name
    @@Type: 
      SW09:name
    @@Default:(required)
    @@Description:
      @@@@: Scheme name
      @@@lang:en
  @Formatting:
    __ATTRTEXT:%name__;
    my $rule;
    if ($o->{link}->{dest}->{resource_scheme} eq $p->{name}) {
      $rule = __ATTRTEXT:%true__;
    } else {
      $rule = __ATTRTEXT:%false__;
    }
    SuikaWiki::Plugin->formatter ($f->{-category_name})
      ->replace ($rule, param => $o, -parent => $p->{-parent});

FormattingRule:
  @Category[list]: link-to-resource
  @Name: select-link-resource-scheme
  @Description:
    @@@: Selecting template by resource pointing scheme matches to
    @@lang:en
  @Parameter:
    @@Name: SCHEMENAME
    @@Type:
      template
    @@Default:(none)
    @@Description:
      @@@@: Template used when scheme name is SCHEMENAME
      @@@lang:en
  @Parameter:
    @@Name: otherwise
    @@Type:
      template
    @@Default:(none)
    @@Description:
      @@@@: Template used when no SCHEMENAME parameter matches
      @@@lang:en
  @Formatting:
    my $rule;
    if (defined $p->{$o->{link}->{dest}->{resource_scheme}}) {
      $rule = __ATTRTEXT:%{$o->{link}->{dest}->{resource_scheme}}__;
    } else {
      $rule = __ATTRTEXT:%otherwise__;
    }
    try {
      $f->replace ($rule, param => $o, -parent => $p->{-parent});
    } catch Message::Util::Formatter::error with {
      my $err = shift;
      if ($err->{-object}->{-category_name} eq $f->{-category_name}) {
        my $wiki = $err->{option}->{param}->{wiki};
        __FUNCPACK{Error}__->reporting_formatting_template_error
                             ($err, $wiki,
                              template => $rule);
      } else {
        $err->throw;
      }
    };

FormattingRule:
  @Category[list]: page-link
  @Name: if-linked-wikipage-exist
  @Description:
    @@@: If or if not linked WikiPage exists, then
    @@lang: en 
  @Formatting:
    my $page = $o->{link}->{dest}->{page_name};
    my $rule;
    my $exists = 0;
    if ($o->{wiki}->{db}) {
      try {
        $exists = $o->{wiki}->{db}->exist (content => $page);
      } catch SuikaWiki::DB::Util::Error with {
        my $err = shift;
        $err->throw if $err->{-type} eq 'ERROR_REPORTED';
      };
    }else {CORE::die Carp::longmess}
    if ($exists) {
      $rule = __ATTRTEXT:%true__;
    } else {
      $rule = __ATTRTEXT:%false__;
    }
    SuikaWiki::Plugin->formatter ('page_link')
      ->replace ($rule, param => $o, -parent => $p->{-parent});

FormattingRule:
  @Category[list]: page-link
  @Name: if-link-has-dest-anchor-no
  @Description:
    @@@: If or if the link has destination numeral anchor
    @@lang: en 
  @Formatting:
    my $rule;
    if ($o->{link}->{dest}->{page_anchor_no}) {
      $rule = __ATTRTEXT:%true__;
    } else {
      $rule = __ATTRTEXT:%false__;
    }
    SuikaWiki::Plugin->formatter ('page-link')
      ->replace ($rule, param => $o, -parent => $p->{-parent});

FormattingRule:
  @Category[list]:
    page-link
    link-to-resource
  @Name:-bare-text
  @Formatting:
    $p->{-parent}->append_text ($p->{-bare_text});

Function:
  @Name: to_resource_in_html
  @Description:
    @@@Make a link to the resource (outputted in HTML)
    @@lang:en
  @Main:
    my (undef, $src => $dest, $opt) = @_;
    local $opt->{o}->{iwc__param}; ## For InterWikiCore module
    if ($dest->{resource_scheme} eq 'URI' or
        $dest->{resource_scheme} eq 'URL') {
      $dest->{uri} = URI->new ($dest->{resource_parameter});
    } elsif ($dest->{resource_scheme} eq 'IW') {
      $dest->{uri} = __FUNCPACK{InterWikiCore}__
                                  ->interwikireference_to_urireference 
                                      (packed => $dest->{resource_parameter},
                                       name => $dest->{-iw__name},
                                       param => $dest->{-iw__parameter},
                                       o => $opt->{o},
                                       wiki => $opt->{o}->{wiki})
                   || URI->new (q<#err--error>);
      $src->{<Q:iw:label>} = __FUNCPACK{InterWikiCore}__
                          ->interwikireference_to_sourcelabel
                                      (packed => $dest->{resource_parameter},
                                       name => $dest->{-iw__name},
                                       param => $dest->{-iw__parameter},
                                       o => $opt->{o},
                                       wiki => $opt->{o}->{wiki});
    } elsif ($dest->{resource_scheme} eq 'MAIL') {
      $dest->{uri} = 'mailto:'.$dest->{resource_parameter};
    } else {
      $ERROR->report_error_simple
                ($opt->{o}->{wiki},
                 $WIKIRESOURCE->get_op ('Error:Condition', $opt->{o})
                   => $WIKIRESOURCE->get_op
                        ('WikiLinking:ResourceScheme:Unknown:Description',
                         $opt->{o}),
                 $WIKIRESOURCE->get_op ('WikiLinking:ResourceScheme', $opt->{o})
                   => $dest->{resource_scheme},
                 $WIKIRESOURCE->get_op ('WikiLinking:ResourceParameter',
                                        $opt->{o})
                   => $dest->{resource_parameter},
                );
      $dest->{uri} = URI->new (q<#err--error>);
    }
    __FUNCPACK__->to_resource_by_uri_in_html ($src => $dest, $opt);

Function:
  @Name: to_resource_by_uri_in_html
  @Description:
    @@@:Make a link to the resource by URI reference (outputted in HTML)
    @@lang:en
  @Main:
    my (undef, $src => $dest, $opt) = @_;
    local $NestLevel = $NestLevel + 1;
    if (100 < $NestLevel) {
      $opt->{parent}->append_new_node (type => '#comment',
                                       value => $src->{label});
      $ERROR->report_error_simple
                ($opt->{o}->{wiki},
                 $WIKIRESOURCE->get_op ('Error:Condition', $opt->{o})
                   => $WIKIRESOURCE->get_op
                        ('WikiLinking:Error:TooDeep', $opt->{o}),
                 $WIKIRESOURCE->get_op ('Error:Formatter:Template', $opt->{o})
                   => $src->{label},
                 -trace => 1,
                );
      return;
    }
    
    local $opt->{o}->{link} = {
      src	=> $src,
      dest	=> $dest,
      option	=> $opt,
    };
    $dest->{uri} = ref $dest->{uri} ? $dest->{uri}->canonical
                                    : URI->new ($dest->{uri})->canonical;
    $src->{label} ||= $WIKIRESOURCE->get_text
                                   (name => 'Link:toResource:SourceLabel',
                                    param => $opt->{o},
                                    wiki => $opt->{o}->{wiki});
    try {
      $LINK_TO_RESOURCE
        ->replace ($src->{label}, param => $opt->{o}, -parent => $opt->{parent});
    } catch Message::Util::Formatter::error with {
      my $err = shift;
      if ($err->{-object}->{-category_name} eq 'link_to_resource') {
        my $wiki = $err->{option}->{param}->{wiki};
        __FUNCPACK{Error}__->reporting_formatting_template_error
                             ($err, $wiki,
                              template => $src->{label});
        undef;
      } else {
        $err->throw;
      }
    };

Function:
  @Name: to_wikipage_in_html
  @Description:
    @@@:Make a link to the WikiPage (outputed in HTML)
    @@lang:en
  @Main:
    my (undef, $src => $dest, $opt) = @_;
    local $NestLevel = $NestLevel + 1;
    if (100 < $NestLevel) {
      $opt->{parent}->append_new_node (type => '#comment',
                                       value => $src->{label});
      __FUNCPACK{Error}__->report_error_simple
                ($opt->{o}->{wiki},
                 __FUNCPACK{WikiResource}__
                              ->get_op ('Error:Condition', $opt->{o})
                   => __FUNCPACK{WikiResource}__->get_op
                        ('WikiLinking:Error:TooDeep', $opt->{o}),
                 __FUNCPACK{WikiResource}__
                              ->get_op ('Error:Formatter:Template', $opt->{o})
                   => $src->{label},
                 -trace => 1,
                );
      return;
    }
    $dest->{page_name} ||= $dest->{page_name_relative}->absolute
                           (base => $dest->{base}, wiki => $opt->{o}->{wiki});
    ($dest->{uri}, $dest->{absolute_uri})
       = $opt->{o}->{wiki}->uri_reference
                     (page       => $dest->{page_name},
                      mode       => $dest->{wiki_mode},
                      anchor_no  => $dest->{page_anchor_no},
                      up_to_date => $dest->{_up_to_date},
                      with_lm    => $dest->{_with_lm},
                      param      => $dest->{param} || {},
                      fragment   => $dest->{page_anchor_name},
                      base       => $dest->{-use_absolute_uri} ? undef:
                                       ($src->{base_uri} || 1));
    
    local $opt->{o}->{link} = {
      src	=> $src,
      dest	=> $dest,
      option	=> $opt,
    };
    $src->{label} ||= SuikaWiki::Plugin->module_package ('WikiResource')
                        ->get_text (name => 'Link:toWikiPage:SourceLabel',
                                    param => $opt->{o},
                                    wiki => $opt->{o}->{wiki});
    try {
      SuikaWiki::Plugin->formatter ('page_link')
        ->replace ($src->{label}, param => $opt->{o}, -parent => $opt->{parent});
    } catch Message::Util::Formatter::error with {
      my $err = shift;
      if ($err->{-object}->{-category_name} eq 'page_link') {
        my $wiki = $err->{option}->{param}->{wiki};
        SuikaWiki::Plugin->module_package ('Error')
                         ->reporting_formatting_template_error 
                             ($err, $wiki,
                              template => $src->{label});
        undef;
      } else {
        $err->throw;
      }
    };

PluginCategory:
  @Name: page-link
  @Description:
    @@@: Source anchor label of link whose destination is a WikiPage
    @@lang:en

PluginCategory:
  @Name: link-to-resource
  @Description:
    @@@: Source anchor label of link whose destination is a resource
    @@lang:en

Resource:
  @Link:toResource:SourceLabel:
    @@@:
      %select-link-resource-scheme (
        URI => {<%link-to-it(
          label => {%uri-reference;}p,
        );>},
        IW => {%iw--source-label (default => {<%link-to-it (
          label => {%link-resource-scheme;:%link-resource-parameters;}p,
        );});},
        MAIL => {<%link-to-it(
          label => {%link-resource-parameters;}p,
          description
            => {%res (name=>{Link:MailAddress=});<%link-resource-parameters;>}p,
        );>},
        otherwise => {<%link-to-it(
          label => {%link-resource-scheme;:%link-resource-parameters;}p,
        );>},
      );
  @Link:toWikiPage:NotExist:Mark:
    @@@: ?
  @Link:toWikiPage:SourceLabel:
    @@@:
      %link-to-it(
        label=>{%page-title (relative);%if-linked-wikipage-exist(
          true=>{%if-link-has-dest-anchor-no(true=>{>>%link-dest-anchor-no;});},
          false=>{%res(name=>{Link:toWikiPage:NotExist:Mark});}
        );}p,
        class=>{%if-linked-wikipage-exist(false=>{not-exist});}p,
      );
  @Link:MailAddress=:
    @@@:
      Internet Mail Address: 
    @@lang:en
  @Link:URIReference=:
    @@@:
      URI Reference: 
    @@lang:en
  @WikiLinking:Error:TooDeep:
    @@@:
      Link nesting too deep.
    @@lang: en
  @WikiLinking:LinkToIt:ToResource:Description:
      %res (name=>{Link:URIReference=});<%uri-reference;>
  @WikiLinking:LinkToIt:ToWikiPage:Description:
      %page-name(absolute);; %if-linked-wikipage-exist(
          true=>{%page-headline;},
          false=>{(%res(name=>{Link:toWikiPage:NotExist:Description});)},
      );
  @WikiLinking:ResourceParameter:
    @@@: Resource identification parameter
    @@lang: en
  @WikiLinking:ResourceScheme:
    @@@: Resource identification scheme
    @@lang: en
  @WikiLinking:ResourceScheme:Unknown:Description:
    @@@:
      Unknown resource identification scheme specified.
    @@lang: en