bug#35188: catch gnus-summary-save-article errors, even in nndoc groups

[Lars Ingebrigtsen]

積丹尼 Dan Jacobson <jidanni@jidanni.org> writes:

>  o [gnus-summary-save-article]
>
> has a bug. If the article is gone, the user sees a flash, but is then
> prompted to save it anyway.
>
> Opening nndoc server on nndoc:nnml:mail.misc-26341-ephemeral...done
> No such file or buffer: #<killed buffer>
> No such article (may have expired or been canceled)
> Appended to /tmp/ee

`(setq debug-on-error t)', repeat the bug and post the resulting
backtrace.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no