Index: normal.h
===================================================================
--- normal.h	(revision 347)
+++ normal.h	(revision 348)
@@ -37,4 +37,11 @@
 Note this function can take a lot of time.
 **/
 
+void raydium_normal_smooth_from_to(GLuint from, GLuint to);
+/**
+Same as above, but only from ##from## vertex to ##to## vertex (excluded).
+In other words: will smooth [from;to[
+**/
+
+
 #endif