hmm no, please no warning. This can be very beneficial. As long as the type OR road_speed OR road_class OR oneway plus direction is different. The above of course makes no sense, as it will set exactly the same road twice.

On Mon, 10 May 2021 at 16:49, Gerd Petermann <GPetermann_muenchen@hotmail.com> wrote:

Hi all,

while double checking patch for the RoadMerger I wondered what might happen if the style adds two or more identical roads for the same OSM way.
Of course this makes no sense but to my surprise I found out that this really happens with the default style.
A way with e.g. highway=footway and railway=platform is added twice
...
highway=footway {set tmp:stopMopUp=yes} [0x16 road_class=0 road_speed=0 resolution 23 continue with_actions]
...
railway=platform [0x16 road_class=0 road_speed=0 resolution 23]

Of course the default style should be fixed to avoid that but I think mkgmap can detect this easily and should print a warning when the style does that?

Gerd
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