From 3bb87ed293e02300c7dddc9a5d9c7b79d2ea5ffd Mon Sep 17 00:00:00 2001
From: Bogdanova Olga <o_bogdanova@inbox.ru>
Date: Thu, 22 Apr 2021 12:26:36 +0300
Subject: [PATCH] Issues-526: Fixed formatting in Firefox

---
 js/topcodereditor.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/js/topcodereditor.js b/js/topcodereditor.js
index d72e230..385c45f 100644
--- a/js/topcodereditor.js
+++ b/js/topcodereditor.js
@@ -646,11 +646,13 @@
 
           editor.codemirror.on('paste', function (cm, event) {
             var clipboard = event.clipboardData;
-            var data = clipboard.getData('text/plain').trim();
-            var rows = data.split((/[\u0085\u2028\u2029]|\r\n?/g)).map(function(row) {
-              row = row.replace('\n', ' ')
-              return row.split("\t")
+            // trim the trailing newline character, if present.
+            var data = clipboard.getData('text/plain');
+            data = data.replace(/(?:[\n\u0085\u2028\u2029]|\r\n?)$/, '');
+            var rows = data.split((/[\n\u0085\u2028\u2029]|\r\n?/g)).map(function(row) {
+              return row.split("\t");
             })
+
             var isTableData = looksLikeTable(rows);
             if(isTableData) {
               event.preventDefault();