A small package with bindings to a function in <wchar.h> that
assigns a column width to Unicode characters.
http://hackage.haskell.org/package/wcwidth-0.0.1
This is the function that tells your terminal to make Chinese
characters two columns wide while making the letter 'a' but
one column wide.
In addition, a little utility is provided that constructs a
table of widths by character and a listing of character ranges
with the same width. On different systems, `wcwidth` may
assign different widths to the same character for some obscure
characters.
--
Jason Dusek
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