Bugfix
The annotation defines the columns of a table from which the user can select. The columns displayed by default, on the other hand, are determined by the "Default columns" annotation. The "Visible columns" annotation does not specify a column order, but offers an ordered selection of column names.
Improvement
- Rename to "Available columns".
- Selection of columns as unordered selection
Test
- Define "Available columns" on a reference-value attribute.