1[name] 2Handling of E<> Unicode escape 3 4[options] 5encoding groff 6 7[input] 8=head1 perlfaq4 SNIPPET 9 10The trick to this problem is avoiding accidental autovivification. If 11you want to check three keys deep, you might naE<0xEF>vely try this: 12 13[output] 14.SH "perlfaq4 SNIPPET" 15.IX Header "perlfaq4 SNIPPET" 16The trick to this problem is avoiding accidental autovivification. If 17you want to check three keys deep, you might na\[u00EF]vely try this: 18