Entering an option to 'string options', that has a ')'
at the end results in:
1) if only one option is entered: you see the text
incl. ')' after clicking on the arrow, but after saving
the ')' is deleted
2) if more than one option in entered: you see
everything entered until you click on saving, then
everything before the first ')' is saved the rest is
deleted, even the following options.