Babel routing protocol (babel)

draft-ietf-babel-yang-model-10.txt:
xym 0.5:
Extracting 'ietf-babel@2021-05-12.yang'
   Removed 0 empty lines


ietf-babel@2021-05-12.yang:
pyang 2.4.0: pyang --verbose --ietf -p {libs} {model}:
# module search path: a/www/ietf-ftp/yang/rfcmod/:/a/www/ietf-ftp/yang/draftmod/:/a/www/ietf-ftp/yang/ianamod/:/a/www/ietf-ftp/yang/catalogmod/:.:/var/lib/wwwrun/yang/modules:/a/www/ietf-datatracker/7.32.0/env/share/yang/modules
# read ietf-babel@2021-05-12.yang (CL)
# read /a/www/ietf-datatracker/7.32.0/env/share/yang/modules/ietf/ietf-yang-types.yang
# read /a/www/ietf-ftp/yang/draftmod/ietf-yang-types@2021-04-14.yang
# read /a/www/ietf-datatracker/7.32.0/env/share/yang/modules/ietf/ietf-inet-types.yang
# read /a/www/ietf-ftp/yang/catalogmod/ietf-inet-types@2021-02-22.yang
# read /a/www/ietf-datatracker/7.32.0/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/7.32.0/env/share/yang/modules/ietf/ietf-routing.yang
# read /a/www/ietf-ftp/yang/rfcmod/ietf-routing@2018-03-13.yang
ietf-babel@2021-05-12.yang:148: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:157: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:175: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:176: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:186: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:187: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:206: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:207: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:214: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)
ietf-babel@2021-05-12.yang:215: error: keyword "if-feature" not in canonical order (see RFC 6020, Section 12)

yanglint SO 1.6.7: yanglint --verbose -p {tmplib} -p {rfclib} -p {draftlib} -p {ianalib} -p {cataloglib} {model} -i:
No validation errors