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-rw-r--r--src/rail.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/rail.h b/src/rail.h
index ebb9b0917..3f401cd37 100644
--- a/src/rail.h
+++ b/src/rail.h
@@ -31,6 +31,7 @@ DECLARE_ENUM_AS_BIT_SET(RailTypeFlags);
struct SpriteGroup;
+/** Sprite groups for a railtype. */
enum RailTypeSpriteGroup {
RTSG_CURSORS, ///< Cursor and toolbar icon images
RTSG_OVERLAY, ///< Images for overlaying track