This format can...
read and write waypoints
Default icon name.
This option specifies the icon or waypoint type to write for each waypoint on output.
If this option is specified, its value will be used for all waypoints, not just those that do not already have descriptions. That is, this option overrides any icon description that might be in the input file.
There is no list of valid values for this option.
This option has no effect on input.