Gnus and authinfo

[Otto J. Makela]

Sorry if this is a very much FAQ item, but I really don't know where
else I could ask this question.

With an operating system upgrade (to Fedora Linux 39) I also got a emacs
upgrade (to version 29.1) Some time in the ancient past I've simply set

(setq gnus-select-method '(nntp "news.eternal-september.org"))

in my .gnurc, and this still seems to work to select this as my default
nntp server. However, for some reason, the gnus 5.13 that came with this
emacs version no longer seems to read the plain-text .authinfo file from
my home directory.

So at every gnus start time it asks me to manually enter the username
and password for this nntp server. What has changed, has the plain-text
file been depreciated in favor of the pgp-encrypted version? I couldn't
find any information on such a change.

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