1[name] 2Handling of E<> Unicode escape 3 4[input] 5=head1 perlfaq4 SNIPPET 6 7The trick to this problem is avoiding accidental autovivification. If 8you want to check three keys deep, you might naE<0xEF>vely try this: 9 10[output] 11.SH "perlfaq4 SNIPPET" 12.IX Header "perlfaq4 SNIPPET" 13The trick to this problem is avoiding accidental autovivification. If 14you want to check three keys deep, you might naïvely try this: 15