Package: cowsay
Version: 3.03+dfsg1-10
Severity: minor

hi,

Usually, the cowsay bahaves fine with 8bit char, e.g.
```
$ cowsay debian
 ________                        <- issue will emerge at this line
< debian > 
 --------                        <- this line too
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
```
But when pass a widechar string to cowsay, the length of top bar and
bottom bar of that message bubble would be not good.

the length of both bar is ($CHAR_NUMBER + 2), and
when use widechar, it's still ($WCHAR_NUMBER + 2),
while one widechar occupies 1 more places than 8bit char does.

such as
```
 _____            <- '_' * (2+3), it should be (2 + 3*2) when use wchar.
< 谢谢你 >
 -----            <- ditto
```
and, the longer the wchar string is, the more clear the issue is.

thanks.
-- 
Regards,
  C.D.Luminate


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