fixed meta data for events block

layouts/events/single.html

@@ -2,7 +2,7 @@
   {{ partial "events/hero-single.html" . }}
 
   <div class="document-content" itemscope itemtype="https://schema.org/Event">
-    <meta itemprop="headline" content="{{ partial "PrepareHTML" .Title }}">
+    <meta itemprop="name" content="{{ partial "PrepareHTML" .Title }}">
     <meta itemprop="url" content="{{ .Permalink }}">
     {{ if .Params.summary }}<meta itemprop="abstract" content="{{ partial "PrepareText" .Params.summary }}">{{ end }}
     {{ if .Summary }}<meta itemprop="description" content="{{ partial "PrepareText" .Summary }}">{{ end }}

layouts/partials/events/event-infos.html

 {{ $unique_day := eq .Params.dates.from.day .Params.dates.to.day }}
-<ul class="event-infos">
+<ul class="event-infos" itemprop="startDate" content="{{- if .Params.dates.from.day -}}{{ .Params.dates.from.day }}{{- end -}}{{- if .Params.dates.from.hour -}}T{{ .Params.dates.from.hour }}{{- end -}}">
   {{ with .Params.dates }}
     {{ with .computed }}
       <li class="event-date">

layouts/partials/events/event.html

@@ -2,7 +2,7 @@
 {{ $layout := .layout | default "list" }}
 {{ $heading := .heading | default "h2" }}
 {{ $heading_tag := (dict 
-    "open" ((printf "<%s itemprop='headline' class='event-title'>" $heading) | safeHTML)
+    "open" ((printf "<%s class='event-title'>" $heading) | safeHTML)
     "close" ((printf "</%s>" $heading) | safeHTML)
     ) }}
 {{ $index := .index }}
@@ -27,7 +27,7 @@
       {{ end }}
 
       {{ if (or .Params.dates.computed.two_lines.short .Params.dates.from.hour .Params.dates.to.hour) }}
-        <div class="event-dates" itemprop="startDate" content="{{- if .Params.dates.from.day -}}{{ .Params.dates.from.day }}{{- end -}} {{- if .Params.dates.from.hour -}}{{ .Params.dates.from.hour }}{{- end -}}">
+        <div class="event-dates" itemprop="startDate" content="{{- if .Params.dates.from.day -}}{{ .Params.dates.from.day }}{{- end -}}{{- if .Params.dates.from.hour -}}T{{ .Params.dates.from.hour }}{{- end -}}">
           <span>{{ partial "PrepareHTML" .Params.dates.computed.two_lines.short }}</span>
           {{- if (or .Params.dates.from.hour .Params.dates.to.hour) }}
             <div class="event-time">