Experimentally enable shortcodes

themes/vanilla/assets/scss/code.scss

@@ -5,6 +5,16 @@ $code-color-keyword: black;
 $code-color-type: black;
 $code-color-comment: grey;
 
+.highlight-label {
+    padding: 0.25rem 0.5rem 0.25rem 0.5rem;
+    border: $code-border;
+    border-bottom: none;
+
+    a {
+        font-family: $font-code;
+    }
+}
+
 code {
   font-family: $font-code;
   background-color: $code-color;

themes/vanilla/layouts/shortcodes/codelines.html

@@ -11,4 +11,8 @@
 {{ else }}
 {{ .Scratch.Set "opts" "" }}
 {{ end }}
-{{ highlight (delimit $v "\n") (.Get 0) (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts")) }}
+<div class="highlight-group">
+    <div class="highlight-label">From <a href="https://dev.danilafe.com/Web-Projects/blog-static/src/branch/master/code/{{ .Get 1 }}">{{ path.Base (.Get 1) }}</a>,
+        {{ if eq (.Get 2) (.Get 3) }}line {{ .Get 2 }}{{ else }} lines {{ .Get 2 }} through {{ .Get 3 }}{{ end }}</div>
+    {{ highlight (htmlEscape (delimit $v "\n")) (.Get 0) (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts")) }}
+</div>