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I am not new to Processing but am having problems with XML parsing the following address:-
Whatever method I try, I get the following error message in the console and I am not sure why:-
[Fatal Error] :1:1: Content is not allowed in prolog.
org.xml.sax.SAXParseException: Content is not allowed in prolog.
Please can someone shed some light on this problem? I've tried other XML and my methods work but with this particular feed served by Transport for London, Processing doesn't seem to like it.