id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
8089	"""nautical mile"" (NM) as new system of measurement"	jjaf.de	team	"In `/org/openstreetmap/josm/gui/NavigatableComponent.SystemOfMeasurement
there is ...

{{{#!java
public static final SystemOfMeasurement METRIC_SOM = new SystemOfMeasurement(1, ""m"", 1000, ""km"");
public static final SystemOfMeasurement CHINESE_SOM = new SystemOfMeasurement(1.0/3.0, ""\u5e02\u5c3a"" /* chi */, 500, ""\u5e02\u91cc"" /* li */);
public static final SystemOfMeasurement IMPERIAL_SOM = new SystemOfMeasurement(0.3048, ""ft"", 1609.344, ""mi"");
}}}

... but no ""nautical mile"" http://de.wikipedia.org/wiki/Seemeile which could be handy for maritime mapping like OpenSeaMap. To complete it with the JOSM-system of two measurements kbl http://de.wikipedia.org/wiki/Kabell%C3%A4nge could be used:

> 10 kbl = 1 NM = 1852 m

Maybe there should be something like the following to implement this:
{{{#!java
public static final SystemOfMeasurement NAUTICAL_MILE_SOM = new SystemOfMeasurement(185.2, ""kbl"", 1852, ""NM"");

public static final Map<String, SystemOfMeasurement> SYSTEMS_OF_MEASUREMENT;
static {
[...]
  SYSTEMS_OF_MEASUREMENT.put(marktr(""Nautical""), NAUTICAL_MILE_SOM);
}
}}}
"	enhancement	closed	normal		Core	tested	fixed	nautical mile Seemeile NM sm nmi