I use your plugin within WP multisite and it is currently active in an English site and in a German site. So far, so good, works fine.
Only one thing is nerved:
At the German site, I have put my German text into the plugin's settings with the German "umlauts" (ä, ö, ü) - so far, so good, they are correctly displayed at the frontend.
But: every time I go back in the backend to the plugin's settings page, these settings don't remember my "umlauts". Everywhere, where I put
ä etc., there are again
ä and I must enter the correct code again
ä, so that it is displayed right at the site.
Guess, this is a bug or how can I "tell" the plugin, to remember my umlaut settings, when I return to the settings' page?