svg_parser - add support for "href" preserving deprecated (since SVG 2) "xlink:href"
svg_parser - add support for "href" preserving deprecated (since SVG 2) "xlink:href"

tomhughes/mapnik,naturalatlas/mapnik,mapnik/mapnik,tomhughes/mapnik,lightmare/mapnik,lightmare/mapnik,tomhughes/mapnik,naturalatlas/mapnik,mapnik/mapnik,tomhughes/mapnik,lightmare/mapnik,mapnik/mapnik,lightmare/mapnik,mapnik/mapnik,naturalatlas/mapnik,naturalatlas/mapnik