Merge branch 'master' into mathjax-support

layouts/partials/head.html

@@ -1,6 +1,7 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
+<meta http-equiv="Accept-CH" content="DPR, Viewport-Width, Width">
 <link rel="icon" href={{ .Site.Params.favicon | default "/fav.png" }} type="image/gif">
 
 <!-- Fonts -->

layouts/partials/scripts.html

@@ -67,6 +67,7 @@
     <script src="/js/search.js"></script>
 {{ end }}
 
+
 {{ if (.Params.mathjax | default false) }}
 
 {{ "<!-- MathJax -->" | safeHTML }}
@@ -85,5 +86,15 @@
       }
     });
 </script>
+{{ end }}
+
+{{ if (.Site.Params.cloudinary_cloud_name | default false) }}
+
+{{ "<!-- cloudinary -->" | safeHTML }}
+<script src="https://unpkg.com/[email protected]/cloudinary-core-shrinkwrap.js" integrity="sha384-0bQduxVhZMs6xfvcPH9osdUIw44hjF8EahHuQBdyN6Rryk8tgyFO80Yz5d14F+5d" crossorigin="anonymous"></script>
+<script type="text/javascript">
+    var cl = cloudinary.Cloudinary.new({cloud_name: "{{- .Site.Params.cloudinary_cloud_name }}"}); 
+    cl.responsive();
+</script>
 
 {{ end }}

layouts/shortcodes/dynamic-img.html

@@ -0,0 +1,5 @@
+{{ $image := .Get "src" }}
+{{ $alt := .Get "title" }}
+{{ $width := .Get "width" | default "w_auto" }}
+{{ $style := .Get "style" | default "max-width:80%" }}
+<img alt="{{ $alt }}" title="{{ $alt }}" data-src="https://res.cloudinary.com/{{ $.Site.Params.cloudinary_cloud_name }}/{{ $width }},c_scale,f_auto,q_auto,dpr_auto{{ $image}}" class="cld-responsive" style="padding-bottom: 16px; display: block; margin: auto; {{ $style }}">