diff -r cc8cbabd27cd -r 1e2be40f0cb5 src/cx/tree.h
--- a/src/cx/tree.h	Sun Nov 20 17:48:42 2022 +0100
+++ b/src/cx/tree.h	Sun Nov 20 21:08:36 2022 +0100
@@ -129,8 +129,8 @@
 
 
 #ifdef __cplusplus
-} /* extern "C" */
+} // extern "C"
 #endif
 
-#endif /* UCX_TREE_H */
+#endif // UCX_TREE_H