get number of occupied columns of a string on terminal
This module allows determining the display width of strings, mostly
useful with multibyte character encodings. It provides functionality
equivalent to C's wcwidth(3), wcswidth(3) and mblen(3).

While most characters have a width of 1, there are exceptions - many
east Asian characters have a width of 2, and some languages use Unicode
"combining characters" which have a zero width.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>

WWW: http://search.cpan.org/dist/Text-CharWidth/
