1*f00eae14SPeter Avalos# $FreeBSD$ 2e1489450SPeter Avalos 3e1489450SPeter Avalos# POSIX and C99 say D800-DFFF are undefined in a universal character name. 4e1489450SPeter Avalos# We reject this but many other shells expand to something that looks like 5e1489450SPeter Avalos# CESU-8. 6e1489450SPeter Avalos 7e1489450SPeter Avalosv=$( (eval ": \$'\uD800'") 2>&1 >/dev/null) 8e1489450SPeter Avalos[ $? -ne 0 ] && [ -n "$v" ] 9