Apache2 error messages

[Jean Louis]

I would like myself to be able to send messages to Apache log.

Now this message is appearing in error.log, but it does not appear to
be error. Never mind, I would like to send messages to error log.

Wed Sep 28 06:31:32.023427 2022] [cgi:error] [pid 5706] [client 
102.83.37.37:54464] AH01215: Loading /var/www/.emacs.d/init.el (source)...: 
/var/www/subscribe.example.com/doi.cgi

Is the way to go to use `message' function?

Jean

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