Semantic Maps (google maps format) display "curl4" with a blue screen
From semantic-mediawiki.org
Fragment of a discussion from Extension talk:Semantic Maps
The PHP library used by Maps 3.0 supports using alternate symbols for the direction labels. So far Maps is not making use of this facility though. https://github.com/DataValues/Geo/blob/master/src/ValueParsers/GeoCoordinateParserBase.php#L42