From 8f523078d55b35c6e9896009eaed13bbae937760 Mon Sep 17 00:00:00 2001
From: kintel <kintel@b57f626f-c46c-0410-a088-ec61d464b74c>
Date: Sun, 24 Jan 2010 20:06:09 +0000
Subject: comment

git-svn-id: http://svn.clifford.at/openscad/trunk@346 b57f626f-c46c-0410-a088-ec61d464b74c

diff --git a/dxflinextrude.cc b/dxflinextrude.cc
index 7a5b588..f7a1d24 100644
--- a/dxflinextrude.cc
+++ b/dxflinextrude.cc
@@ -240,6 +240,8 @@ PolySet *DxfLinearExtrudeNode::render_polyset(render_mode_e rm) const
 			progress_report_prep((AbstractNode*)this, report_func, pd);
 		}
 
+		// Before extruding, union all (2D) children nodes
+		// to a single DxfData, then tessealte this into a PolySet
 		CGAL_Nef_polyhedron N;
 		N.dim = 2;
 		foreach(AbstractNode * v, children) {
-- 
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