From 4788b0293585cabd8058229c5cd55aca7188ed5a Mon Sep 17 00:00:00 2001
From: Roland Becker <roland@atrol.de>
Date: Wed, 5 Jun 2019 23:45:16 +0200
Subject: [PATCH] Fix undefined variable system notice

---
 BBCodePlus/BBCodePlus.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/BBCodePlus/BBCodePlus.php b/BBCodePlus/BBCodePlus.php
index b64923b..a578cee 100644
--- a/BBCodePlus/BBCodePlus.php
+++ b/BBCodePlus/BBCodePlus.php
@@ -92,6 +92,8 @@ function content_begin() {
             # display a warning if markdown processing is on.
             $output = '<div class="alert alert-warning" id="check-notice-warnings">'.
                plugin_lang_get( 'title' ) . ': '. plugin_lang_get( 'markdown_warning' ) . '</div>';
+         } else {
+            $output = '';
          }
          return $output;
       }