['Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)','Win32','alt-'],
['Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10136','Win64','alt-'],
// Firefox
['Mozilla/5.0 (Windows NT 6.0; rv:2.0.1) Gecko/20100101 Firefox/4.0.1','Win32','alt-shift-'],
['Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:50.0) Gecko/20100101 Firefox/50.0','MacIntel','ctrl-option-'],
['Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20121202 Firefox/17.0 Iceweasel/17.0.1','Linux 1686','alt-shift-'],
// Safari
['Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; nl-nl) AppleWebKit/531.22.7 (KHTML, like Gecko) Version/4.0.5 Safari/531.22.7','MacIntel','ctrl-option-'],
// Opera/Chrome/Konqueror
['Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.52 Safari/537.36 OPR/15.0.1147.130','Win32','alt-shift-'],
['Mozilla/5.0 (Macintosh; Intel Mac OS X 10_5_8) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.112 Safari/534.30','MacIntel','ctrl-option-'],
['Mozilla/5.0 (X11; Linux i686) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.68 Safari/534.30','Linux i686','alt-shift-'],
['Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) QtWebEngine/5.11.3 Chrome/65.0.3325.230 Safari/537.36 Konqueror (WebEnginePart)','Linux x86_64','alt-shift-'],
// Unknown! Note: These aren't necessarily *right* for the browser.
// This is testing plaform-based fallback (Mac vs other).
['Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:1.0.1) Gecko/20021111 Chimera/0.6','MacPPC','ctrl-'],
['Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3a) Gecko/20021207 Phoenix/0.5','Linux i686','alt-']
];
// strings appended to title to make sure updateTooltipAccessKeys handles them correctly