Globally mark out image links

Author: cotes2020

_sass/addon/commons.scss

@@ -403,15 +403,15 @@ footer {
       color: var(--link-color);
     }
 
-    &:not(.img-hyperlink) {
+    &:not(.img-link) {
       @extend %link-color;
       @extend %link-underline;
       &:hover {
         @extend %link-hover;
       }
     }
 
-    &.img-hyperlink {
+    &.img-link {
       @include img;
       @include img-caption;
     }

assets/js/_commons/img-link.js

@@ -0,0 +1,8 @@
+/*
+ * Find the image links and mark them
+ */
+
+$(function() {
+  const MARK = "img-link";
+  $("#main a").has("img").addClass(MARK);
+});