From 95053df1e011b4b84c655df24f3e4cb655df501e Mon Sep 17 00:00:00 2001
From: Shaunak Kishore <kshaunak@gmail.com>
Date: Sun, 13 Sep 2015 14:43:12 -0400
Subject: [PATCH] Add to stroke-extraction black magic

---
 lib/stroke_extractor.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/stroke_extractor.js b/lib/stroke_extractor.js
index 55f29f2d..802ac734 100644
--- a/lib/stroke_extractor.js
+++ b/lib/stroke_extractor.js
@@ -349,7 +349,7 @@ function extract_stroke(paths, endpoint_map, bridge_adjacency, log,
   // Here there be dragons!
   // TODO(skishore): Document the point of the geometry in this function.
   function select_bridge(endpoint, options) {
-    if (options.length === 1) {
+    if (options.length === 1 && extracted_indices[Point.key(options[0])]) {
       // Handle star-shaped strokes where one stroke ends at the intersection
       // of the bridges used by two other strokes.
       var indices1 = [endpoint.index, options[0]];