# referencing HTTP_* environment variables.
if [ -n "${cgilite_headers+x}" ]; then
printf %s "$cgilite_headers" \
- | sed -rn 's;^'"${1}"': ([^\r]+)\r?$;\1;ip;q;'
+ | sed -rn 's;^'"${1}"': ([^\r]+)\r?$;\1;i; tX; d; :X;p;q;'
else
eval "printf %s \"\$HTTP_$(printf %s "${1}" |tr a-z A-Z |tr -c A-Z _)\""
fi