#!/usr/bin/perl -w

use YAML;

my $page_1 = 
  { 'What is it?' => 
    [ 'Data serialization protocol',
      'Human readable/editable',
      { 'Language independant' => [ 'Perl', 'Python', 'Ruby', 'OCaml' ] },
      { 'Designed for use with dynamic languages like Perl' =>
        [ 'scalars', 'lists', 'associative arrays' ] },
    ],
  };

YAML::DumpFile( "page_1.yml", $page_1 );