Re: [Fwd: UTF7 decode error in Gnus with IMAP]

[Kevin Rodgers <ihs_4664@yahoo.com>]

Simon Josefsson <jas@extundo.com> wrote:
> "Richard M. Stallman" <rms@gnu.org> writes:
> 
> > Would you please DTRT about this, then ack?
> 
> I believe no action is required, see below.
> 
> Kevin Rodgers <ihs_4664@yahoo.com> writes:
> 
> > 1. Is it safe to suggest to this user to (setq imap-use-utf7 nil)?
> 
> I believe it is safe, if used consistently.  If you toggle the
> variable, existing groups will rename themselves.  Of course, you'll
> loose non-ascii features.
> 
> > 2. Should imap-utf7-decode work on this string with non-nil imap-use-utf7?
> >     It contains only ASCII characters, but the "&" triggers the error:
> >
> >    signal(error ("Unable to convert from Unicode"))
> >    error("Unable to convert from Unicode")
> >    utf7-u16-latin1-char-converter()
> >    utf7-fragment-decode(207 210 t)
> >    utf7-decode-internal(t)
> >    utf7-decode("Public Folders/Business Units/SC WW Sales and 
> > Marketing/Reporting/Commissions/2005 Commissions/2005 Adjustments/*2005 
> > Closed Adjustments/*closed*7.1.05 through 7.31.05/*closed*EPIC  Tut 
> > Systems Videotele &IBM- TMS320C6415TGLZ1" t)
> 
> That isn't valid UTF-7 a'la IMAP, so I think the error is correct.
> Imap.el call utf7-decode in a condition-case, so in practice you
> shouldn't see the error.
> 
> How does this cause any real problem?

The original problem is described here:

http://lists.gnu.org/archive/html/help-gnu-emacs/2005-11/msg00727.html


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