Re: [Evolution-hackers] [patch] fixed incorrect rfc2047 decode for CJK header

[Jeffrey Stedfast <fejj novell com>]

FWIW, even Thunderbird doesn't handle multi-byte characters split across
multiple encoded-word tokens. I was just checking out their
implementation in

 mozilla/netwerk/src/nsMIMEHeaderParamImpl.cpp:DecodeRFC2047Str()

Jeff

On Sun, 2007-12-23 at 23:09 +0800, jacky wrote:
> Hi, all.
> 
> The rfc2047 decoder in libcamel can not decode some
> CJK header correctly. Although some of them are not
> correspond to RFC, but I need to decode it correctly
> and I thought if evolution can display there email
> correctly more people like it.
> 
> So I write a new rfc2047 decoder, and it's in the
> patch. With the patch, libcamel can decode CJK header
> correctly and evolution can display CJK header
> correctly now. I had test it in my mailbox. My mailbox
> has 2000 emails which were sent by evolution,
> thunderbird, outlook, outlook express, foxmail, open
> webmail, yahoo, gmail, lotus notes, etc. Without this
> patch, almost 20% of there emails can't be decoded and
> displayed correctly, with this patch, 99% of there
> emails can be decoded and displayed correctly.
> 
> And I found that the attachment with CJK name can't be
> recognised and displayed by outlook / outlook express
> / foxmail. This is because there email clients do not
> support RFC2184. Evolution always use RFC2184 encode
> mothod to encode attachment name, so the email with
> CJK named attachment can't display in outlook /
> outlook express / foxmail. In thunderbird, you can set
> the option "mail.strictly_mime.parm_folding" to 0 or 1
> for using RFC2047 encode mothod to encode attachment
> name. Can we add a similar option?
> 
> Best regards.
> 
> 
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