quot.sed revision 2
4b22b9337f359bfd063322244f5336cc7c6ffcfarss/"\([^"]*\)"/“\1”/g
4b22b9337f359bfd063322244f5336cc7c6ffcfarss/`\([^`']*\)'/‘\1’/g
4b22b9337f359bfd063322244f5336cc7c6ffcfarss/ '\([^`']*\)' / ‘\1’ /g
4b22b9337f359bfd063322244f5336cc7c6ffcfarss/ '\([^`']*\)'$/ ‘\1’/g
4b22b9337f359bfd063322244f5336cc7c6ffcfarss/^'\([^`']*\)' /‘\1’ /g