Workaround to use the "empty description" filter in Caliber6.0 and higher
Version: 6.0 and higher
In CaliberRM 5.1 it was possible to filter for empty
descriptions with ??, this no longer works in CaliberRM6.0 and
Since the descriptions of Caliber have been converted to HTML
this FILTER will no longer work.
This is because the basic HTML formatting is still contained
within the description.
To workaround this problem the filter below can be used: