This will still happen. I see that commentpara.de/auth.php will return a response body…
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This will still happen. I see that commentpara.de/auth.php will return a response body with content-type application/x-www-form-urlencoded. According to the spec it should return a json response body with the me parameter.
The easiest way to fix this is to parse the response as application/x-www-form-urlencoded.