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warn: page week15_networking_and_communications/helloserialbus-c.md contains an hyperlink to resource outside spine 'helloserialbus-c/term.py'
warn: page week16_interface_and_application_programming/processing_resources.md contains an hyperlink to resource outside spine 'simple_serial_stub.pde'
warn: page week16_interface_and_application_programming/python_web.md contains an hyperlink to resource outside spine 'python_web/WebSocketConsole.zip'