does busybox 1.19 still support the arg `-m'?

[Ni Qingliang <niqingliang@insigma.com.cn>]

in file meta/recipes-core/busybox/files/syslog
I found code section:
	if [ -n "$MARKINT" ]; then
		SYSLOG_ARGS="$SYSLOG_ARGS -m $MARKINT"
	fi
but I can't find `-m' in the help of syslogd.


syslogd --help                                                    
BusyBox v1.19.3 (2012-01-11 12:34:06 CST) multi-call binary.

Usage: syslogd [OPTIONS]

System logging utility

        -n              Run in foreground
        -O FILE         Log to FILE (default:/var/log/messages)
        -l N            Log only messages more urgent than prio N (1-8)
        -S              Smaller output
        -s SIZE         Max size (KB) before rotation (default:200KB,
0=off)
        -b N            N rotated logs to keep (default:1, max=99,
0=purge)
        -R HOST[:PORT]  Log to IP or hostname on PORT (default
PORT=514/UDP)
        -L              Log locally and via network (default is network
only if)
        -C[size_kb]     Log to shared mem buffer (use logread to read
it)
        -f FILE         Use FILE as config (default:/etc/syslog.conf)

-- 
Yi Qingliang
niqingliang@insigma.com.cn
https://niqingliang2003.wordpress.com