Use <x id="START_LINK" ctype="x-a" equiv-text="<a>"/>plugins & themes<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> for more involved changes, or <x id="START_LINK_1" ctype="x-a" equiv-text="<a>"/>add slight customizations<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.
You should only use moderated search indexes in production, or <x id="START_LINK" ctype="x-a" equiv-text="<a href="https://framagit.org/framasoft/peertube/search-index">"/>host your own<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.