+// In fact, we changed it to assume ON_PRESS for sanity/simplicity. If needed, you can add your own
+// keycode modeled after the old version, kept below for this.
+/* #define TO(layer, when) (layer | QK_TO | (when << 0x4)) */
+#define TO(layer) (layer | QK_TO | (ON_PRESS << 0x4))