-e '^.*[A-Z].*:' \
-e ': *[A-Z]' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline uppercase:\n$bad\n"
# check headline uppercase (Rx/Tx, VF, L2, MAC, Linux, ARM...)
-e '^.*[A-Z].*:' \
-e ': *[A-Z]' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline uppercase:\n$bad\n"
# check headline uppercase (Rx/Tx, VF, L2, MAC, Linux, ARM...)