From 77f975009106be71141971fc01668d628469ad51 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Thu, 28 Jul 2022 15:30:02 +0800
Subject: [PATCH] add comment

---
 src/matrix/m_replace.scad | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/matrix/m_replace.scad b/src/matrix/m_replace.scad
index d52a8cfe..8fb18317 100644
--- a/src/matrix/m_replace.scad
+++ b/src/matrix/m_replace.scad
@@ -1,3 +1,13 @@
+/**
+* m_replace.scad
+*
+* @copyright Justin Lin, 2022
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib3x-m_replace.html
+*
+**/
+
 function m_replace(m, i, j, value) =
     let(
 		rowI = m[i],