Issue/M/450

syntax

|imageoverlays=<coord>:<coord>:<url-to-image>[~<title>~<text>/~link:<url>];

example

{{#display_map: 
 |imageoverlays=50.302674198227855,10.70068359375:49.01553629578961,8.382568359375:https://sandbox.semantic-mediawiki.org/w/SMWSandBoxLogo.png~Semantic MediaWiki~World domination imminent!/~https://www.semantic-mediawiki.org/
 |centre=Europe
 |zoom=4
 |service=googlemaps3
}}

result

Chargement de la carte...

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