We don't set the content string add_private_tab and add_tab.

We should add this to the FloatingActionButtonBinding and AccessibleNewTabButtonBinding when we update the UI on page switching.

Relevant spec sections:

https://drafts.csswg.org/selectors-4/#the-dir-pseudo
https://html.spec.whatwg.org/multipage/semantics-other.html#selector-ltr

The interesting cases to test are from the definition of "directionality" in HTML:
https://html.spec.whatwg.org/multipage/dom.html#the-directionality

• element with dir="ltr" matches :dir(ltr) (#26159)
• root element without `

Is there any way to display information of the most recent downloads? Or even to get some kind of notification?

I, like most users I guess, have Firefox GUI hidden so when a download is made I get no visual feedback that it is happening. Is there anything I can do to change that? More than once I thought a link was not working only to discover that I had downloaded the same pdf 7 times.