Infocatcher

> Strange because with "Right Click Opens New Tab Link Correct Order 0.0.6" all page links work fine open right link Oops, this is due to frames. In WebExtensions content...

You can create preference like built-in intl.uidirection.ar = rtl to test RTL with any locale. E.g. intl.uidirection.en-US = rtl Also see for -moz-padding-start/-moz-padding-end and -moz-margin-start/-moz-margin-end.

Very similar bug: https://bugzilla.mozilla.org/show_bug.cgi?id=888787#c7