Support custom emoji for 'Edit this Page' link.

docs/index.html

@@ -1073,7 +1073,15 @@
                 editLinkText = editlinktextparm;
               }
 
-              var editHtml = '[:memo:' + editLinkText + '](' + url + ')\n'
+              let editlinkemoji = getURLParameterByName('edit-link-emoji', null, null, window.location.href, true);
+              if (editlinkemoji) {
+              // Remove leading and trailing colons if they are present
+              editlinkemoji = editlinkemoji.replace(/^:+|:+$/g, '');
+              } else {
+                editlinkemoji = 'memo';
+              }
+
+              var editHtml = '[:' + editlinkemoji + ':' + editLinkText + '](' + url + ')\n'
 
               var creditHtml = '\n\n' + 'Displayed by <a href="https://docsify-this.net" target="_blank">Docsify-This</a>, based on the <a href="https://github.com/hibbitts-design/docsify-open-publishing-starter-kit" target="_blank">Docsify Open Publishing Starter Kit</a>.'