Default access log format tries to include Referer header but spells it correctly and thus it doesn't work

[EdRowe]

The default access log format attempts to output the Referer HTTP request header, referring to it as "Referrer". The latter is the correct spelling of the word, but the inventors of the header misspelled it as "Referer". To make this work as intended, the LOG_FORMAT and the logging docs (which show the default log format) should be updated to use the misspelled version of the word.

LOG_FORMAT = '%a %t "%r" %s %b "%{Referrer}i" "%{User-Agent}i"'
vs
LOG_FORMAT = '%a %t "%r" %s %b "%{Referer}i" "%{User-Agent}i"'

The docs for the default log format also do not match the actual default log format in that it shows %l and %u which don't actually exist and %t which doesn't appear to be in the default log format.

[asvetlov]

Thanks for report.

[lock]

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[new issue]: https://github.com/aio-libs/aiohttp/issues/new