Do not show a tag, series, or category if it is called pinned.

layouts/_default/list.html

@@ -20,6 +20,11 @@
                         <li class="post-item">
                             <a href="{{.Permalink}}" class="post-item-inner">
                                 <span class="post-title">
+                                    {{ if .Params.pinned }}
+                                        <img style="display: inline-block; vertical-align: middle; margin-right: 4px;"
+                                            src="/feathericons/16px-a9a9b3/paperclip.svg" alt="Pinned:"
+                                        >
+                                    {{ end }}
                                     {{ if .Params.tags }}{{ index .Params.tags 0 | title }}:{{ end }}
                                     {{ .Title }}{{ if and (.Params.subtitle) (and (.Params.author) (.Params.date)) }}
                                         {{ "--" | markdownify }} {{ .Params.subtitle}}

layouts/partials/categories.html

@@ -1,10 +1,12 @@
 {{ with .Params.categories }}
     <p>
         <img style="display: inline-block; vertical-align: middle; margin-right: 4px;"
-            src="/feathericons/16px-a9a9b3/folder.svg" alt="Series:"
+            src="/feathericons/16px-a9a9b3/folder.svg" alt="Categories:"
         >
         {{ range . -}}
+            {{ if (not (eq . "pinned")) }}
             <span class="tag"><a href="{{ "categories/" | absLangURL }}{{ . | urlize }}/">{{.}}</a></span>
             {{ end }}
+        {{ end }}
     </p>
 {{ end }}

layouts/partials/series.html

@@ -4,7 +4,9 @@
             src="/feathericons/16px-a9a9b3/tv.svg" alt="Series:"
         >
         {{ range . -}}
+            {{ if (not (eq . "pinned")) }}
             <span class="tag"><a href="{{ "series/" | absLangURL }}{{ . | urlize }}/">{{.}}</a></span>
             {{ end }}
+        {{ end }}
     </p>
 {{ end }}

layouts/partials/tags.html

@@ -1,10 +1,12 @@
 {{ with .Params.tags }}
     <p>
         <img style="display: inline-block; vertical-align: middle; margin-right: 4px;"
-            src="/feathericons/16px-a9a9b3/tag.svg" alt="Series:"
+            src="/feathericons/16px-a9a9b3/tag.svg" alt="Tags:"
         >
         {{ range . -}}
+            {{ if (not (eq . "pinned")) }}
             <span class="tag"><a href="{{ "tags/" | absLangURL }}{{ . | urlize }}/">{{.}}</a></span>
             {{ end }}
+        {{ end }}
     </p>
 {{ end }}

layouts/posts/single.html

@@ -67,6 +67,11 @@
     <hr />
 
     <div class="post-info">
+      {{ if .Params.pinned }}
+      <img style="display: inline-block; vertical-align: middle; margin-right: 4px;"
+          src="/feathericons/16px-a9a9b3/paperclip.svg" alt="Pinned:"
+      > <a href="/categories/pinned">This article is pinned.</a>
+      {{ end }}
       {{ partial "tags.html" . }}
       {{ partial "series.html" . }}
       {{ partial "categories.html" . }}