diff -r b09aae58bba4 -r 78f943d76f50 src/tree.c
--- a/src/tree.c	Sun Apr 09 19:03:58 2023 +0200
+++ b/src/tree.c	Sun Apr 09 19:06:16 2023 +0200
@@ -41,8 +41,8 @@
 }
 
 void cx_tree_add_child(void **children_begin, void **children_end,
-                  ptrdiff_t loc_prev, ptrdiff_t loc_next, void *new_node,
-                  ptrdiff_t loc_parent, void *parent) {
+                       ptrdiff_t loc_prev, ptrdiff_t loc_next, void *new_node,
+                       ptrdiff_t loc_parent, void *parent) {
     cx_linked_list_add(children_begin, children_end, loc_prev, loc_next, new_node);
 
     // optional parent link