added Head customization, which supports ZOTERO(!) for anything that has publishDate !publish!

_vendor/git.sandpoints.org/Drawwell/SandpointsTheme/customizations/jgdr/layouts/partials/head.html

@@ -1,11 +1,89 @@
-<!-- ADDED PUBLISH DATE as DATE TO META  -->
+<!-- ADDED PUBLISH DATE as DATE TO META 
-
+See Zotero metadata suggestions: 
+https://www.zotero.org/support/dev/exposing_metadata
+-->
 
 <meta charset="utf-8" />
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta name="msapplication-TileColor" content="#da532c">
 <meta name="theme-color" content="#ffffff">
 
+
+<!--############################################################################ --> 
+<!-- 
+ZOTERO CITATION METADATA 
+Title: citation_title
+Date: citation_date (preferred), citation_publication_date, citation_cover_date, citation_online_date, citation_year
+Publication: citation_journal_title
+Journal Abbreviation: citation_journal_abbrev
+Book Title or Proceedings Title: citation_book_title, citation_inbook_title
+Pages: citation_firstpage and citation_lastpage
+Volume: citation_volume
+Issue: citation_issue
+Series: citation_series_title
+Publisher: citation_publisher
+DOI: citation_doi
+ISBN: citation_isbn
+ISSN: citation_issn, citation_eIssn
+PMID: citation_pmid
+URL: citation_public_url, citation_abstract_html_url, citation_fulltext_html_url
+Embedded Metadata can also find the URL in a <link rel=“canonical”> tag or use the page URL.
+Abstract: citation_abstract
+Language: citation_language
+Conference Name: citation_conference_title, citation_conference
+University (for theses and dissertations): citation_dissertation_institution
+Institution (for reports): citation_technical_report_institution
+Report Number: citation_technical_report_number
+Creators: citation_author, citation_authors, citation_editor, citation_editors
+Creators should be listed in repeated <meta> tags or in a single tag, separated by semicolons:
+	THIS IS 
+	<meta name="citation_editor" content="Surname, Given Name">
+	<meta name="citation_authors" content="Smith, Jane; Public, John Q.">
+	EQUIVALENT TO 
+	<meta name="citation_editor" content="Surname, Given Name">
+	<meta name="citation_author" content="Smith, Jane">
+	<meta name="citation_author" content="Public, John Q.">
+Full-Text PDF attachment: citation_pdf_url
+Tags: citation_keywords (semicolon-separated)
+-->
+
+<!--ZOTERO-COMPATIBLE METADATA FIELDS ######################################################################### --> 
+<!-- DYNAMIC META FIELDS --> 
+<!-- AUTHORS (probabbly better to make one meta field for all.. but for now this works--> 
+{{ if .Params.contributors }}	
+  {{ range .Params.contributors }}
+	{{ $a:=$.GetPage (printf "contributor/%s" . ) }}
+	<meta name = "citation_author" content = "{{ $a.Title }}"/>
+  {{ end }}
+{{ end }}
+<!-- TITLE // Title: citation_title --> 
+<meta name = "citation_title" content = "{{ .Page.Title }}"/>
+<!-- DATE if available // Date: citation_date (preferred) --> 
+{{  with .Page.Params.publishDate }}
+	{{ $d:= .Format "Jan, 2 2006" }} <!-- default date format doesn't seem to work--> 
+	<meta name = "citation_date" content = "{{ $d }}"/>
+{{ end }}
+<!-- ABSTRACT --> 
+{{ with .Page.Params.abstract }}
+	<meta name = "citation_abstract" content = "{{ . }}"/>
+{{ end }}
+<!-- KEYWORDS // Tags: citation_keywords (semicolon-separated) --> 
+{{ with .Keywords}} 
+	{{ $k:=delimit . " ; "  }}
+	<meta name = "citation_keywords" content= "{{ $k }}" />
+{{ end }}
+<!-- ISSUE // Issue: citation_issue--> 
+<meta name = "citation_issue" content = "The Issue" />
+<!-- STATIC META FIELDS --> 
+<!-- JOURNAL NAME // Publication: citation_journal_title--> 
+<meta name = "citation_journal_title" content = "Game Design Knowledge & Practice Journal?"/>
+<!--  JOURNAL ABBREVIATION if applicable --> 
+<meta name = "citation_journal_abbrev" content = "GDKPJ?"/>
+<!-- ISSN --> 
+<meta name = "citation_issn" content = "The ISSN"/>
+<!--########################################################################################################### --> 
+
+
 <!-- DESCRIPTION --> 
 {{ if .Description }}
   <meta name="description" content="{{ .Description }}" />
@@ -24,17 +102,7 @@
   {{ end }}
 {{ end }}
 
-<!-- DATE --> 
-<!-- Add to meta fields date of publication via Hugo frontmatter field `publishDate` -->
-{{ if .PublishDate }}
-	<meta name= "date" content = "{{ .PublishDate }}"/>
-	<!-- test print -->
-	{{ "dev-test: Published: " }} {{.PublishDate | time.Format "Jan 2, 2006" }}
-
-{{ end }}
-
 <!-- AUTHORS (if available) --> 
-
 {{ if .Params.authors }}
   {{ range .Params.authors }}
     {{ $e := $.GetPage (printf "author/%s" .)  }}