#!/bin/sed
# Convert HTML tags from upper case to lowercase.
s!<([[:alnum:]]+)!<\L\1!g
s!([[:alnum:]]+)>!\L\1>!g
s!)/\1\n/g
/<\/title>/a\
\
# Add CentOS tags.
s/(\
\
\
\
\
\
\
# These Mailman comments must appear one per line.
s/()/\n\1\n/
s/()/\n\1\n/
# Cloase CentOS tags.
s/(<\/body>)/\n\1\n/g
/<\/body>/i\