as far as i found, its not possible to force all external links of ones own wiki to open up in a new window - cause you have to go into the LocalSettings.php to do this:
so only mira admins are able to get this to work right?
if so, i would be happy if you can set it up. if there is another way to force all external links open in a new window, please let me know.
thanks for your work! :)