hidden library: Provide occutable chess pieces

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/library/wikimedia.toml b/library/wikimedia.toml
index 3eb2964de0f71e61a27507e96b3db3e02d074548..0e3c142fe428a89e609cd92e4dc396362cd5a0ed 100644 (file)
--- a/library/wikimedia.toml
+++ b/library/wikimedia.toml
@@ -21,6 +21,8 @@ size = [45]
 centre = [22.5, 22.5]
 item_prefix = "chess-"
 stem_prefix = "Chess_"
+occulted.method = "ByColour"
+occulted.colour = "grey"
 
 files = """
 _c-P   plt45   a _colour pawn