enabling mixing non-opaque vector geometries with opaque external graphics on the same vector layer
(closes#873)
git-svn-id: http://svn.openlayers.org/trunk/openlayers@4114 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
support was added, tested, and documented by Andreas Hocevar, and I want to
thank him for the work he put into this patch. It looks pretty great. (This
is from ticket #736.)
git-svn-id: http://svn.openlayers.org/trunk/openlayers@3729 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf