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 <[email protected]>

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.