Description of IP ARP flags in /ip arp output

There are two additional undocumented flags for ARP table entries: P - published, C - complete. Can someone describe actual meaning of these?

Examples in documentation:

ip arp> print
Flags: X - disabled, I - invalid, H - DHCP, D - dynamic

Actual output:

/ip arp> print
Flags: X - disabled, I - invalid, H - DHCP, D - dynamic, P - published, C - complete

Tested on version 6.43.2.

https://wiki.mikrotik.com/wiki/Manual:IP/ARP#Properties