Babel routing protocol (babel)

draft-ietf-babel-yang-model-04.txt:
xym 0.4:
Extracting 'ietf-babel@2019-10-18.yang'
   Removed 0 empty lines


ietf-babel@2019-10-18.yang:
pyang 2.1: pyang --verbose --ietf -p {libs} {model}:
# read ietf-babel@2019-10-18.yang (CL)
# read /a/www/ietf-datatracker/6.110.1/env/share/yang/modules/ietf/ietf-yang-types.yang
# read /a/www/ietf-ftp/yang/draftmod/ietf-yang-types@2019-11-04.yang
# read /a/www/ietf-datatracker/6.110.1/env/share/yang/modules/ietf/ietf-inet-types.yang
# read /a/www/ietf-ftp/yang/draftmod/ietf-inet-types@2019-11-04.yang
# read /a/www/ietf-datatracker/6.110.1/env/share/yang/modules/ietf/ietf-interfaces.yang
# read /a/www/ietf-ftp/yang/rfcmod/ietf-interfaces@2018-02-20.yang
# read /a/www/ietf-datatracker/6.110.1/env/share/yang/modules/ietf/ietf-routing.yang
# read /a/www/ietf-ftp/yang/rfcmod/ietf-routing@2018-03-13.yang
ietf-babel@2019-10-18.yang:96: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2019-10-18.yang:103: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)

yanglint 0.14.80: yanglint --verbose -p {rfclib} -p {draftlib} -p {tmplib} {model} -i:
No validation errors