Show an icon for new tab links in the URL preview

[Filip]

When hovering over a link that has target="_blank", there could be an icon shown in the URL preview (in the bottom left corner) indicating that the URL will be opened in a new tab.

[Jon]

Thanks for submitting an idea to the Mozilla Connect community! Your idea is now open to votes (aka kudos) and comments.

[igorlogius]

@Filip 

you might find this interesting

https://addons.mozilla.org/en-US/firefox/addon/link-status-redux