public boolean equalsDecMinute(final Geopoint other) {
        return other != null &&
                format(GeopointFormatter.Format.LAT_LON_DECMINUTE_SHORT)
                        .equals(other.format(GeopointFormatter.Format.LAT_LON_DECMINUTE_SHORT));
    }
Specialized {@link #equals(Object)} method which returns true if given object equals this object
with regards to the Decimal-Minute-format.
Note that this equals-method is NOT consistent with {@link #hashCode()}!
main/src/main/java/cgeo/geocaching/location/Geopoint.java