Index: bug_files/Poly_rewrite/intersect.txt
===================================================================
--- bug_files/Poly_rewrite/intersect.txt	(revision 36169)
+++ bug_files/Poly_rewrite/intersect.txt	(revision 36170)
@@ -1,5 +1,6 @@
 Corner case: two clearances happen to have a shared vertical contour line
 in the middle which causes self-intersecting poly on the gerber output.
+Ucamco ref viewer warns.
 
 Poly nohole slicer should probably slice it in the middle, but it may be
 the poly lib that's having a zero sized polygon there?