If a Question or Answer Option has no name specified (name is empty) the Question ID respectively Answer Option ID is shown instead of the name. This feature prevents empty elements in the comboboxes which could not be assigned anymore.
If a numeric Question is selected as a condition, the value 0.0 is selected initially. Afterwards you can select any other decimal number. Furthermore, all standard mathematical compare operators (<, <=, >, >=) are also enabled.
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