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This way you can setup your underlying map engine (ArcIMS, ArcGIS, etc) to return "%map.layer.property", or for the toc model layer label, for the layer name for a Property layer, and by setting up the appropriate resources for the map.layer.property value the layer will appear in a localised name for the user.
Console
By default Windows may not correctly display UTF-8 characters in the OSGi console.
To fix this you need to change the default font for the Command Prompt to a true type font (for example Consolas or Lucinda Console) and then execute chcp 65001
This should be done before running startup.cmd, from the same command prompt window where you just entered the chcp command.
Alternatively you could edit the startup.cmd file to include the chcp 65001 command and set the command prompt as the default.