In custom log format part, %[req.bytes_in] was erroneously documented as the
alias of %B. The good alias is %[res.bytes_in]. It is now fixed.
This patch must be backported to 3.3.
| Others |
+---+------+------------------------------------------------------+---------+
| | %B | bytes_read (from server to client) | numeric |
- | | | %[req.bytes_in] | |
+ | | | %[res.bytes_in] | |
+---+------+------------------------------------------------------+---------+
| H | %CC | captured_request_cookie | string |
+---+------+------------------------------------------------------+---------+