Reenabled PolySet caching. Pass shared_ptrs to polysets around to better manage memory

1 files changed, 1 insertions, 2 deletions

diff --git a/src/Tree.h b/src/Tree.h
index 2c3f0b8..5fda0c3 100644
--- a/src/Tree.h
+++ b/src/Tree.h
@@ -20,8 +20,7 @@ public:
 	void setRoot(const AbstractNode *root);
 	const AbstractNode *root() const { return this->root_node; }
 
-  // FIXME: Really return a reference?
-	const string &getString(const AbstractNode &node) const;
+	const string getString(const AbstractNode &node) const;
 
 private:
 	const AbstractNode *root_node;