diff --git a/js/htmlescape.js b/js/htmlescape.js
index 042a016..9c6bbe6 100644
--- a/js/htmlescape.js
+++ b/js/htmlescape.js
@@ -8,9 +8,7 @@ const esca = {
 '<': '&lt;',
 '>': '&gt;',
 "'": '&#39;',
-'"': '&quot;',
-'`': '\\`',
-'\\': '\\\\'
+'"': '&quot;'
 };
 const pe = m => esca[m];
 
@@ -28,9 +26,7 @@ const unes = {
 '&apos;': "'",
 '&#39;': "'",
 '&quot;': '"',
-'&#34;': '"',
-'\\`': '`',
-'\\\\': '\\'
+'&#34;': '"'
 };
 const cape = m => unes[m];