bug#29309: 25.2; Gnus: please make message-from-style 'angles the only option

[Robert Pluim <rpluim@gmail.com>]

Michael Stapelberg <stapelberg@debian.org> writes:

> Package: emacs,gnus
>
> Currently, the custom option message-from-style can be one of:
>
> 'parens, resulting in e.g. “stapelberg@debian.org (Michael Stapelberg)”
>
> 'angles, resulting in e.g. “Michael Stapelberg <stapelberg@debian.org>”
>
> However, https://tools.ietf.org/html/rfc2822#section-3.4 (from 2001)
> states:
>
>>    Note: Some legacy implementations used the simple form where the
>>    addr-spec appears without the angle brackets, but included the name
>>    of the recipient in parentheses as a comment following the addr-spec.
>>    Since the meaning of the information in a comment is unspecified,
>>    implementations SHOULD use the full name-addr form of the mailbox,
>>    instead of the legacy form, to specify the display name associated
>>    with a mailbox.  Also, because some legacy implementations interpret
>>    the comment, comments generally SHOULD NOT be used in address fields
>>    to avoid confusing such implementations.
>
> Let us please make Gnus a better citizen by following the RFC’s
> recommendation and removing the legacy form.

I see no reason to remove the legacy form, unless you want to go to
the trouble of writing code to nag people to change their setup. You
might have an argument for changing the default to be 'angles though.

Robert