forcing external doc links to open in a new tab/window

Author: robertpatrick

documentation/4.0/themes/hugo-theme-relearn-8.3.0/layouts/_default/_markup/render-link.html

@@ -1,6 +1,16 @@
+<!-- rpatrick - make external links open in a new tab/window
 {{- partial "shortcodes/link.html" (dict
   "page" .Page
   "url" .Destination
   "title" .Title
   "content" .Text
-) }}
+) }}
+-->
+
+<a href="{{ .Destination | safeURL }}"
+   {{ with .Title}} title="{{ . }}"{{ end }}
+   {{ if strings.HasPrefix .Destination "http" }}
+target="_blank" rel="noopener noreferrer"
+{{ end }}>
+{{ .Text | safeHTML }}
+</a>