Export POIs to gpx with full icon filename
When exporting POIs to gpx file, for non-default icons only the png filename is exported, without the including zip file. E.g. POI has icon from locus/icons/mic-nature.zip/apple.png. When exported, only "apple" is stored in <sym> tag:
When importing gpx file, the icon is not shown.
Suggestion: store icon name as "file:mic-nature.zip:apple.png", because that is supported. E.g.:
If done manually (i.e. changing in gpx file by hand all such occurances), the import works as expected.