# check headline lowercase for first words
bad=$(echo "$headlines" | grep --color=always \
- -e '^.*[A-Z].*:' \
- -e ': *[A-Z]' \
+ -e '^.*[[:upper:]].*:' \
+ -e ': *[[:upper:]]' \
| sed 's,^,\t,')
[ -z "$bad" ] || printf "Wrong headline uppercase:\n$bad\n"