1 files changed, 1 insertions, 0 deletions
diff --git a/src/node.h b/src/node.h
index 42547db..0b2221d 100644
--- a/src/node.h
+++ b/src/node.h
@@ -84,5 +84,6 @@ public:
 };
 
 std::ostream &operator<<(std::ostream &stream, const AbstractNode &node);
+AbstractNode *find_root_tag(AbstractNode *n);
 
 #endif