# phpman > perldoc > Unicode::Stringprep::Mapping

## NAME
    [Unicode::Stringprep::Mapping](https://www.chedong.com/phpMan.php/perldoc/Unicode%3A%3AStringprep%3A%3AMapping/markdown) - Tables from RFC 3454, Appendix B

## SYNOPSIS
      @[Unicode::Stringprep::Mapping::B1](https://www.chedong.com/phpMan.php/perldoc/Unicode%3A%3AStringprep%3A%3AMapping%3A%3AB1/markdown)     # Appendix B.1
      @[Unicode::Stringprep::Mapping::B2](https://www.chedong.com/phpMan.php/perldoc/Unicode%3A%3AStringprep%3A%3AMapping%3A%3AB2/markdown)     # Appendix B.2
      @[Unicode::Stringprep::Mapping::B3](https://www.chedong.com/phpMan.php/perldoc/Unicode%3A%3AStringprep%3A%3AMapping%3A%3AB3/markdown)     # Appendix B.3

## DESCRIPTION
    The tables are provided as arrays, which contain pairs of a Unicode codepoint (as an integer)
    and replacements string (as a UTF8 perl string).

    This module exports nothing.

## AUTHOR
    Claus Färber <<CFAERBER@cpan.org>>

## LICENSE
    Copyright 2007-2010 Claus Färber.

    This library is free software; you can redistribute it and/or modify it under the same terms as
    Perl itself.

## SEE ALSO
    [Unicode::Stringprep](https://www.chedong.com/phpMan.php/perldoc/Unicode%3A%3AStringprep/markdown), RFC 3454 (<<http://www.ietf.org/rfc/rfc3454.txt>>)