Bug#639502: gpsprune: please add OpenSeaMap to default background maps

[Jonas Stein]

 >> OpenSeaMap is a layer that needs a Openstreetmap map as background.
 >> This line works here. But its perhaps not the best solution yet.
 >>
 >> 
prune.mapsourcelist=o\:sea2;http\://tile.xn--pnvkarte-m4a.de/tilegen;http\://tiles.openseamap.org/seamark/;18|
 >
 > Why ÖPNV-karte as base layer? :)
 > Also considering that ÖPNV only covers Europe, it doesn't seem a good 
choice
 > for a worldwide project like Debian ;)
 >
 > I'd use Mapnik, or some less detailed one, but still a worldwide one.

you are right.
I used ÖPNV-Karte because it is extremely fast and has less details.
Perhaps the baselayer should be something different, as you wrote already...