bug#26063: 26.0.50; url-insert-file-contents signals error for HTTP 304 response

[Lars Ingebrigtsen <larsi@gnus.org>]

Andreas Politz <politza@hochschule-trier.de> writes:

> Start from emacs -Q .
>
> 1. Install debbugs (http://elpa.gnu.org/packages/debbugs.html)
> 2. Enable url-automatic-caching
> 3. M-x debbugs-gnu-search RET change-group RET
>
> This should pop-up some results in a new buffer.  Now hit RET
> (debbugs-gnu-select-report) on one of them, which will popup a gnus
> buffer displaying the related articles.  Close that buffer via q
> (gnus-summary-exit).  Back in the debbugs buffer, hit RET again, which
> will lead to the following (abbreviated) backtrace.
>
> Debugger entered--Lisp error: (file-error
> "http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23906;mboxmaint=yes;mboxstat=yes"
> "Not modified")

This seems to work for me in Emacs 27.

> I think url-insert-file-contents should not raise an error when the
> status code is 304, because it just means that the result comes from the
> cache, instead of the server.

Yup.  I seem to recall somebody else fixing the status code issue a
while back.  Is this still a problem for you?

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