Re: message-idna problem

[Reiner Steib <reinersteib+gmane@imap.cc>]

On Thu, Sep 25 2008, Katsumi Yamaoka wrote:

> When I send a mail containing the From header like
>
> From: 山岡 克美 <yamaoka@jpl.org>
>
> the *Messages* buffer collects the following warnings:
>
> Unknown symbol: 山
> Unknown symbol: 岡
> Unknown symbol: 克
> Unknown symbol: 美
>
> I've never noticed this since I rarely use Japanese names in the
> message header.  It arises if `message-use-idna' is non-nil and
> there is a name of which the first letter is a non-ASCII character
> in the header.

I get "Unknown symbol: Ä" independent on the value of
`message-use-idna':

ELISP> (let ((message-use-idna nil))
	 (mail-header-parse-addresses "Äpfel Birne <foo@bar.invalid>"))
(("foo@bar.invalid" . "pfel Birne"))

ELISP> (let ((message-use-idna t))
	 (mail-header-parse-addresses "Äpfel Birne <foo@bar.invalid>"))
(("foo@bar.invalid" . "pfel Birne"))

> Those warnings are the ones that `ietf-drums-parse-addresses'
> (a.k.a. `mail-header-parse-addresses') that
> `message-idna-to-ascii-rhs-1' uses issues.  Assuming there will
> potentially be non-ASCII names when `message-idna-to-ascii-rhs-1'
> runs, how about using `mail-extract-address-components' rather
> than an ietf-drums- function that does not support non-ASCII
> characters?  This problem might not cause a real harm, though.

Fine with me.

Bye, Reiner.
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