<!-- ###########################################################################
#
#   File name: header.dtd
#   Project: Journals
#   Description: DTD for article headers
#
#
#   External documents:
#
#
#   Author: Peter Haworth
#   Date created: 13/08/1999
#
#   $Id$
#
#   Copyright (C) IOP Publishing Ltd 1999-2011
#
############################################################################ -->

<!-- Top level element -->
<!-- Remember to change stk_list.dtd when you change this -->
<!ELEMENT header (notification?,ident,title,product*,authors?,dates,subjects?,open_access?,funding_group?,crossmark?,text)>

<!-- Include HTML definitions -->
<!ENTITY % html_include SYSTEM "html.inc">
%html_include;
<!ENTITY % img_include SYSTEM "img.inc">
%img_include;

<!-- Include other common definitions -->
<!ENTITY % common_include SYSTEM "common.inc">
%common_include;
<!-- Optional notification element to record the type and time of notification -->
<!ELEMENT notification EMPTY>
<!ATTLIST notification
  timestamp CDATA #REQUIRED
  type (new|update) #REQUIRED
>
<!-- <ident> identifies the article in various ways -->
<!ELEMENT ident (issn,volume,issue,artnum,ecs,ej1?,ej2?,prodid?,serial, bibcode?, inspec?,
  pii?,doi?,attributes,art_focus?,gtoc?,pages,availability?,external_id*)>

<!ELEMENT issn (#PCDATA)>
<!ATTLIST issn
  print CDATA #IMPLIED
  online CDATA #IMPLIED
>

<!ELEMENT volume (#PCDATA)>
<!ELEMENT issue (#PCDATA)>
<!ATTLIST issue
  title CDATA #IMPLIED
> <!-- title would be something like "Winter" or "Supplement" -->
<!ELEMENT artnum (#PCDATA)>
<!ELEMENT ecs (#PCDATA)>
<!ELEMENT ej1 (#PCDATA)>
<!ELEMENT ej2 (#PCDATA)>
<!ELEMENT prodid (#PCDATA)>
<!ELEMENT serial (#PCDATA)>
<!ELEMENT bibcode (#PCDATA)>
<!ELEMENT inspec (#PCDATA)>
<!ELEMENT pii (#PCDATA)>
<!ELEMENT doi (#PCDATA)>
<!ELEMENT attributes EMPTY>
<!ATTLIST attributes
  %type_atts;
  %link_atts;
>
<!ELEMENT art_focus EMPTY>              <!-- Special interest marker -->
<!ATTLIST art_focus
  img NMTOKEN #IMPLIED
  alt CDATA #REQUIRED
  align (middle|bottom|top|left|right|absmiddle|texttop|baseline|absbottom)
      #IMPLIED
  hspace NMTOKEN #IMPLIED
  group CDATA #IMPLIED
  url_type (article_id|journal_page) #IMPLIED
  url_value CDATA #IMPLIED
  url CDATA #IMPLIED
  status (index|content) "content"
>
  <!-- img is the filename of an image displayed on the toc
       alt is the alt text of that image, e.g. "Dark matter"
       group is the full name of the focus, e.g. "Focus on Dark Matter",
       		defaults to "Focus on {@alt}"
       url is the URL of the lead article
       status indicates whether the article is the focus issue's index
    -->

<!ELEMENT gtoc %html_line;>		<!-- Graphic toc data -->
<!ATTLIST gtoc
  img NMTOKEN #REQUIRED
  alt CDATA #REQUIRED
>

<!ELEMENT pages EMPTY>
<!ATTLIST pages
  start CDATA #REQUIRED
  end CDATA #IMPLIED
  range CDATA #IMPLIED
  extent CDATA #IMPLIED
  type (page|article) "page"
>
<!ELEMENT availability EMPTY>
<!ATTLIST availability
  pel (t|f) "f"
  superjournal (t|f) "f"
  services NMTOKENS "ej"
> <!-- services should override pel, and may include: ej, pel, surface -->

<!ELEMENT external_id (#PCDATA)>      <!-- 'External' article IDs -->
<!ATTLIST external_id
  type (jhep|arxive|epl) #REQUIRED
> <!-- arxive should be arxiv, but it's too late -->

<!-- <title> holds various versions of the article title -->
<!ELEMENT title (surtitle?,title_full+,title_short?,title_toc*)>

<!ELEMENT surtitle %html_line;> <!-- This appears above the title -->
<!ELEMENT title_full %html_line;> <!-- Full title -->
<!ATTLIST title_full
  lang %languages; #IMPLIED
>
<!-- Browser title bar title (no tags in storage,
     but STACKS XML has some entities converted to images) -->
<!ELEMENT title_short (#PCDATA|IMG)*>
<!ATTLIST title_short
  lang %languages; #IMPLIED
>
<!ELEMENT title_toc %html_line;> <!-- Title as shown on ToC or searches -->
<!ATTLIST title_toc
  lang %languages; #IMPLIED
>

<!-- <product> holds information about a reviewed product -->
<!ELEMENT product (product_title,product_id?,product_author,
  product_pub?,product_info?)>
<!ATTLIST product
  type (book|video|cdrom|web) #REQUIRED
>

<!ELEMENT product_title %html_line;>
<!ELEMENT product_id (#PCDATA)>
<!ATTLIST product_id
  type (isbn|url) #REQUIRED
>
<!ELEMENT product_author %html_line;>
<!ELEMENT product_pub %html_line;>
<!ELEMENT product_info %html_text;> <!-- This is for miscellaneous info -->

<!-- <authors> holds information about the article's author(s) -->
<!ELEMENT authors (author*,author_granular*,affil*,aaffil*,authors_toc?)>
<!ATTLIST authors
  position (top|bottom) "top"
><!-- This allows us to list reviewers and editors at the bottom of the page -->

<!ELEMENT author %html_line;>
<!ATTLIST author
  ecsid CDATA #IMPLIED
  orcid NMTOKEN #IMPLIED
  affil CDATA #IMPLIED
  pre CDATA #IMPLIED
  post CDATA #IMPLIED
  non_latin CDATA #IMPLIED
> <!-- XXX affil should be IDREFS, but that doesn't allow numbers -->

<!ELEMENT author_granular %name-content;>
<!ATTLIST author_granular %name-attrs;>
<!ELEMENT group %html_line;>

<!ENTITY % affil_attrs "
  id CDATA #IMPLIED
  email CDATA #IMPLIED
  url CDATA #IMPLIED
"> <!-- XXX id should be ID, but that doesn't allow numbers -->
<!ELEMENT affil %html_text;>		<!-- Affiliations -->
<!ATTLIST affil %affil_attrs;>
<!ELEMENT aaffil %html_line;>		<!-- Affils listed after <P> -->
<!ATTLIST aaffil %affil_attrs;>
<!ELEMENT authors_toc %html_line;>	<!-- Authors as displayed on ToC -->

<!-- <dates> holds a large collection of dates -->
<!ELEMENT dates (date_cover,date_history?,date_online?,
  date_alert?,date_modified,date_modified_history*,date_expiry?,date_search?)>

<!ELEMENT date_cover (#PCDATA)>
<!ATTLIST date_cover
  readable CDATA #IMPLIED
>
<!ELEMENT date_history %html_line;>
<!ATTLIST date_history
  received CDATA #IMPLIED
  revised CDATA #IMPLIED
  accepted CDATA #IMPLIED
  final CDATA #IMPLIED
  epub CDATA #IMPLIED
  oarequest CDATA #IMPLIED
  openaccess CDATA #IMPLIED
>
<!ELEMENT date_online EMPTY>
<!ATTLIST date_online
  header CDATA #REQUIRED
  fulltext CDATA #IMPLIED
>
<!ELEMENT date_alert (#PCDATA)>		<!-- First time alert sent -->
<!-- date_modified{,_history} defined in common.inc -->
<!ELEMENT date_expiry (#PCDATA)>	<!-- Last day article is accessible -->
<!ELEMENT date_search (#PCDATA)>	<!-- Last day article is searchable -->

<!-- <subjects> holds various classification details -->
<!ELEMENT subjects (subject_areas?,subject_classified*,
  kwd_author*, kwd_controlled*,kwd_group*, kwd_inspec?)>

<!ELEMENT subject_areas (#PCDATA)>	<!-- XXX Like EJ2 njp_type -->
<!ELEMENT subject_classified (subject_class+)>
<!ATTLIST subject_classified
  scheme (pacs|pacs_inspec|domex_pacs|domex_msc|pacc|pmb|ams|jstat) #REQUIRED
>
<!ELEMENT subject_class (#PCDATA)>
<!ATTLIST subject_class
  type (primary|secondary) #IMPLIED
>
<!ELEMENT kwd_author %html_line;>	<!-- Keywords supplied by author -->
<!ATTLIST kwd_author
  lang %languages; #IMPLIED
>
<!ELEMENT kwd_controlled %html_text;>	<!-- Keywords from controlled list -->
	<!-- The presence of the code attribute indicates that this is a
		single phrase. Otherwise, it's a comma-separated list -->
<!ATTLIST kwd_controlled
  source (jhep|jcap|jstat|jinst|aas|section) #IMPLIED
  code CDATA #IMPLIED
>

<!ELEMENT kwd_group (kwd_main , kwd_sub*)>
<!ATTLIST kwd_group
  source (aas) #REQUIRED
  code CDATA #IMPLIED
>

<!ELEMENT kwd_main %html_line;>

<!ELEMENT kwd_sub %html_line;>
<!ATTLIST kwd_sub normalized CDATA #IMPLIED>

<!ELEMENT kwd_inspec %html_line;>	<!-- INSPEC keywords -->

<!-- Open Access License Information -->
<!ELEMENT open_access %html_text;>
<!ATTLIST open_access
		license_type	CDATA  #REQUIRED 
		url		CDATA  #REQUIRED >

<!-- Funding Information -->
<!ELEMENT funding_group (award_group|oa_funding)*>
<!ELEMENT oa_funding %html_line;>
<!ATTLIST oa_funding funding_type CDATA #IMPLIED >

<!ELEMENT award_group ((funding_source)?, (award_id)*)>
<!ATTLIST award_group award_type CDATA #IMPLIED >
<!ELEMENT funding_source (#PCDATA|funder_identifier)*>
<!ATTLIST funding_source url CDATA #IMPLIED >
<!ELEMENT funder_identifier %html_line;>
<!ELEMENT award_id %html_line;>

<!-- Cross-ref Information -->
<!ELEMENT crossmark %html_text;>

<!-- <text> holds the article's abstract and refers to the full text -->
<!ELEMENT text (header_text*,
  fulltext?,fulltext_label?,special_material?,info_top?,info_bottom?,copyright_text?)>

<!ELEMENT header_text (%html_basic;|%html_fancy;|toc)*>
<!ATTLIST header_text
  heading CDATA #IMPLIED
  lang %languages; #IMPLIED
>
<!ELEMENT fulltext EMPTY>
<!ATTLIST fulltext %fulltext_atts;>

<!ELEMENT fulltext_label EMPTY>
<!ATTLIST fulltext_label %fulltext_atts;>

<!-- If <special_material> is present, there is some multimedia -->
<!ELEMENT special_material %html_text;>
  <!-- Contents replace "Multimedia Enhancements" on abstract page -->
<!ATTLIST special_material %special_atts;>

<!-- These can probably use %html_line; -->
<!ELEMENT info_top %html_text;>		<!-- This is displayed after dates -->
<!ELEMENT info_bottom %html_text;>	<!-- This goes right at the bottom -->
<!ELEMENT copyright_text %html_text;>

<!-- Evilness to allow alternate tocs constructed as articles -->
<!ELEMENT toc (art|heading|subheading)*>
<!ELEMENT art (#PCDATA)>
<!ELEMENT heading %html_line;>
<!ELEMENT subheading %html_line;>