openlayers/ol3 — pull request #3017 by bartvde (2014-12-07 16:51:43+00:00)
Title: Use writeFeatures instead of writeFeaturesNode in GPX and KML example

This was pointed out by @tschaub in https://github.com/openlayers/ol3/pull/3003#discussion_r21418437 and https://github.com/openlayers/ol3/pull/3003#discussion_r21418435