. "Add-ons" . "Add-ons" . . "Embedded HTML Metadata Statement 54" . "Embedded HTML Metadata Statement 53" . . . . . "Discussions about add-on development, add-on support and addons.mozilla.org. You can also learn more about add-ons on MDN, or in the add-ons blog." . "Embedded HTML Metadata Statement 56" . . . . . . "Embedded HTML Metadata Statement 73" . "Add-ons" . . . "Embedded HTML Metadata Statement 55" . . . . "Add-ons" . . . . . "Embedded HTML Metadata Statement 52" . . . . . . "Discussions about add-on development, add-on support and addons.mozilla.org. You can also learn more about add-ons on MDN, or in the add-ons blog." . . . . . . "Embedded HTML Metadata Statement 57" . . . . . . . . .