Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
Select text MIME type if no existing MIME type is matched.
Update for a Firefox API change.
Add a "View as" entry in the "Web Developer" App Menu.
Patch by Mathnerd314 (slightly modified).
- better default MIME selection algorithm (in particular if you have set the extensions.openinbrowser.additional_mimes preference).
Content should now be opened in the correct tab (it wasn't the case if you opened background tabs).