NAME
    Unicode::Subscript - Generate subscripted and superscripted UTF-8 text
    without markup

SYNOPSIS
     use Unicode::Subscript qw(subscript superscript);

     say 'H' . subscript(2) . 'O';  # H₂O
     say 'This algorithm is O(n' . superscript(3) . ')';  # O(n³)

     say superscript('this text is really high!');  # ᵗʰⁱˢ ᵗᵉˣᵗ ⁱˢ ʳᵉᵃˡˡʸ ʰⁱᵍʰ!

     use Unicode::Subscript qw(SM TM);
     say 'Eat at Subway' . TM();   # Eat at Subway™

     use Unicode::Subscript ':all';   # import everything

DESCRIPTION
    This module provides methods to convert characters to the equivalent
    UTF-8 characters for their subscripted or superscripted forms. This may
    come in handy when generating fractions, chemical formulas, footnotes,
    etc.

FUNCTIONS
  subscript ($text)
    Return the subscripted version of $text, in UTF-8 encoding. The
    following characters has subscripted forms in Unicode:

    *   Digits 0-9, +, -, = and ()

    *   A small number of lowercase letters: a e h i k l m n o p r s t u v x

    Any other input characters will be left un-suscripted.

  superscript ($text)
    Return the superscripted version of $text, in UTF-8 encoding. The
    following characters have superscripted forms in Unicode:

    *   Digits 0-9, +, -, = and ()

    *   All of the lowercase letters except q

    *   A small number of uppercase letters: A B D E G H I J K L M N O P R T
        U V W

    Any other input characters will be left un-superscripted.

  TM
    Returns the Unicode (TM) superscript character.

  SM
    Returns the Unicode (SM) superscript character.

SEE ALSO
    Unicode::Fraction

AUTHOR
    Richard Harris <RJH@cpan.org>

COPYRIGHT AND LICENSE
    This software is copyright (c) 2012 by Richard Harris.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.