Artem Pavlenko 00787ec12d + implement 'filter' iterator to output key/value pairs ...

where value is not value_null().
+ use it in json::feature_generator to have more compact json

2012-02-23 10:21:29 +00:00

..

mapnik

+ implement 'filter' iterator to output key/value pairs

2012-02-23 10:21:29 +00:00