First full working version

public/static/json/tls.MDConcLengths.de.json

@@ -1 +1 @@
-[{"id":"ft","name":"Fu\u00df"},{"id":"in","name":"Zoll"},{"id":"cm","name":"cm"},{"id":"dm","name":"dm"},{"id":"m","name":"m"},{"id":"mm","name":"mm"}]
+{"ft":"Fu\u00df","in":"Zoll","cm":"cm","dm":"dm","m":"m","mm":"mm"}