gravitystorm/openstreetmap-carto — pull request #203 by pnorman (2013-09-30 13:52:53+00:00)
Title: Use shield-clip: false to avoid shield artificats

Fixes #202 #146

Shields are now placed consistently across MT boundaries

See also http://www.mapbox.com/carto/api/2.1.0/#buffer-size which says not to combine buffer-size and avoid-edges