It is no longer relevant to say that <logger> is used for implicit
settings. In fact the function resolves <logger>, but currently
mainly focuses on loggers's target. However we could extend the
function to perform additional work on the logger itself in the future.
let's adjust the comment to prevent any confusion.
/* resolves a single logger entry (it is expected to be called
* at postparsing stage)
*
- * <logger> is parent logger used for implicit settings
- *
* Returns err_code which defaults to ERR_NONE and can be set to a combination
* of ERR_WARN, ERR_ALERT, ERR_FATAL and ERR_ABORT in case of errors.
* <msg> could be set at any time (it will usually be set on error, but