What steps will reproduce the problem?
1. Open the preference page "Thematic grids".
2. Select a activated role in a grid.
3. Open the "Edit rule"-dialog and remove all characters.
What is the expected output? What do you see instead?
You can enter an empty value. This shouldn't be possible.
Please use labels and text to provide additional information.
Original issue reported on code.google.com by krauseda...@web.de on 30 Oct 2012 at 4:05
Original issue reported on code.google.com by
krauseda...@web.de
on 30 Oct 2012 at 4:05