Intersection work in progress
Review URL: https://codereview.appspot.com/5576043

git-svn-id: http://skia.googlecode.com/svn/trunk@3087 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/LineIntersection.cpp b/experimental/Intersection/LineIntersection.cpp
index d23401e..c9bc616 100644
--- a/experimental/Intersection/LineIntersection.cpp
+++ b/experimental/Intersection/LineIntersection.cpp
@@ -65,6 +65,8 @@
         return no_intersection(result);
     }
     /* Are the line coincident? See if they overlap */
+    // FIXME: allow returning range of coincidence, instead of or in
+    // addition to midpoint
     paramsA.lineEndPoints(a);
     double b0dist = paramsA.pointDistance(b[0]);
     bool b0on = approximately_zero_squared(b0dist);