diff -r e34d6a30b96d -r 75efc3ba5a56 src/invert.h
--- a/src/invert.h	Mon Apr 10 14:46:36 2023 +0300
+++ b/src/invert.h	Tue Apr 11 11:11:28 2023 +0300
@@ -51,7 +51,7 @@
 
 namespace gl
 {
-	void invert(PolygonElement &polygon);
+	void invert(PlainPolygonElement& polygon);
 }
 
 using gl::invert;