# only subsection, if exists, is case sensitive,
# and not lowercased by 'git config -z -l'
if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
# only subsection, if exists, is case sensitive,
# and not lowercased by 'git config -z -l'
if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {