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=head1 NAME

Lucy::Analysis::CaseFolder - Normalize case, facilitating case-insensitive search.

=head1 SYNOPSIS

    my $case_folder = Lucy::Analysis::CaseFolder->new;

    my $polyanalyzer = Lucy::Analysis::PolyAnalyzer->new(
        analyzers => [ $case_folder, $tokenizer, $stemmer ],
    );



=head1 DESCRIPTION

CaseFolder normalizes text according to Unicode case-folding rules, so that
searches will be case-insensitive.

=head1 CONSTRUCTORS

=head2 new()

    my $case_folder = Lucy::Analysis::CaseFolder->new;

Constructor.  Takes no arguments.







=head1 INHERITANCE

Lucy::Analysis::CaseFolder isa L<Lucy::Analysis::Analyzer> isa L<Lucy::Object::Obj>.


=cut