[SOLVED] Why unusual perms in some files of wpa_supplicant?

Code:didier[examples]$ pwd
/usr/doc/wpa_supplicant-2.10/examples
didier[examples]$ find|while read l; do printf "%b" "$l "; stat -c %a $l; done
. 555
./60_wpa_supplicant 555
./dbus-listen-preq.py 555
./dpp-nfc.py 555
./dpp-qrcode.py 555
./ieee8021x.conf 444
./openCryptoki.conf 444
./p2p 555
./p2p/p2p_connect.py 444
./p2p/p2p_disconnect.py 444
./p2p/p2p_find.py 444
./p2p/p2p_flush.py 444
./p2p/p2p_group_add.py 444
./p2p/p2p_invite.py 444
./p2p/p2p_listen.py 444
./p2p/p2p_stop_find.py 444
./p2p-action-udhcp.sh 555
./p2p-action.sh 555
./p2p-nfc.py 555
./plaintext.conf 444
./udhcpd-p2p.conf 444
./wep.conf 444
./wpa-psk-tkip.conf 444
./wpa2-eap-ccmp.conf 444
./wpas-dbus-new-getall.py 555
./wpas-dbus-new-signals.py 555
./wpas-dbus-new-wps.py 555
./wpas-dbus-new.py 555
./wps-ap-cli 555
./wps-nfc.py 555Just out of curiosity.