1. Download the following archive and extract the test-widths.xls and test-widths.xlsx files.
http://www.flypig.co.uk/dnload/dnload/other/calligra-column-widths.zip
2. Open the files. The column widths should be the same.
The archive also contains screenshots of the patched and unpatched versions of Callibra using two different spi screens.