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 everythingDESCRIPTION
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
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.