mapnik-org/mapnik — Issue #794: Supporting `is not` syntax
Author: artemp
Created: 2011-10-11 08:12:32+00:00
State: open
Labels: Core_Library

Currently we support `not [field] is {val}` but we don't support `[field] is not {val}`. As we add support for `is null` (#794) this grows in utility.