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