You don't need a plugin for that, it works out of the box. [Edit] doc: https://www-archive.mozilla.org/docs/end-user/keywords.html https://www-archive.mozilla.

You don't need a plugin for that, it works out of the box. [Edit] doc: https://www-archive.mozilla.org/docs/end-user/keywords.html https://www-archive.mozilla.org/docs/end-user/keywords.html