<a class="navbar-link{{ if hasPrefix .c.RelPermalink .h }} currentLink{{ end }}" href="{{ .h }}">{{ .n }}</a>

<a class="navbar-link{{ if hasPrefix .c.RelPermalink .h }} currentLink{{ end }}" href="{{ .h }}">{{ .n }}▼</a>

Add ▼ to indicate submenu
Add ▼ to indicate submenu

I plan to redo the menus a bit later so this is a stopgap.
