From ca65b32ced2e773fc59fdaff676ac54a6e63a9ac Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Tue, 24 Mar 2020 17:49:01 +0800
Subject: [PATCH] add comment

---
 src/util/bsearch.scad | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/util/bsearch.scad b/src/util/bsearch.scad
index 45f9b809..1621afa1 100644
--- a/src/util/bsearch.scad
+++ b/src/util/bsearch.scad
@@ -1,3 +1,13 @@
+/**
+* bsearch.scad
+*
+* @copyright Justin Lin, 2020
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib2x-bsearch.html
+*
+**/
+
 use <util/_impl/_bsearch_impl.scad>;
 
 function bsearch(sorted, elem, by = "idx", idx = 0) =