1259698Sdim# $FreeBSD$ 2259698Sdim 3259698Sdim# POSIX and C99 say D800-DFFF are undefined in a universal character name. 4259698Sdim# We reject this but many other shells expand to something that looks like 5259698Sdim# CESU-8. 6259698Sdim 7259698Sdimv=$( (eval ": \$'\uD800'") 2>&1 >/dev/null) 8259698Sdim[ $? -ne 0 ] && [ -n "$v" ] 9259698Sdim