PHP Notice: Undefined index: HTTP_USER_AGENT
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Hi,
I found the following error in my debug.log:
[05-Dec-2015 16:32:12 UTC] PHP Notice: Undefined index: HTTP_USER_AGENT in /wp-content/plugins/crayon-syntax-highlighter/util/crayon_util.class.php on line 793
I have WP_DEBUG enabled for testing purposes, but think this is probably a quick fix.
Thanks
Thomas
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