# $BSDSUniX: base/head/bin/sh/tests/parser/dollar-quote9.0 1081 2021-07-02 15:24:11Z $ # POSIX and C99 say D800-DFFF are undefined in a universal character name. # We reject this but many other shells expand to something that looks like # CESU-8. v=$( (eval ": \$'\uD800'") 2>&1 >/dev/null) [ $? -ne 0 ] && [ -n "$v" ]