gnus.texi (Store custom flags and keywords): Refer to `gnus-registry-article-marks-to-{chars,names}' instead of `gnus-registry-user-format-function-{M,M2}'.
shr.el (shr-rescale-image): Add an :ascent of 100 to images so that the underline comes at the bottom.
gnus-registry.el (gnus-registry-article-marks-to-chars): Rename from `gnus-registry-user-format-function-M' and declare the latter obsolete.
(gnus-registry-article-marks-to-names): Rename from `gnus-registry-user-format-function-M2'.
shr.el (shr-browse-image): Copy the URL if called interactively.
gnus-group.el (gnus-group-mark-article-read): It's possible that we want to have `gnus-newsgroup-unselected' kept sorted. If this isn't done, then unselected articles may be marked as read.
pop3.el (pop3-open-server): Erase the buffer after the greeting, since not doing this seems to lead to a race condition in pop3-logon.
nnvirtual.el (nnvirtual-request-article): Bind `gnus-command-method' so that the call chain it correct when we call "upwards".
gnus-sum.el (gnus-select-newsgroup): Auto-expiry doesn't make sense in read-only groups.
gnus-group.el (gnus-group-mark-article-read): Ditto.
message.el (message-cite-reply-position): Doc string fix.
nnimap.el (nnimap-transform-headers): Simplify regexp to hopefully avoid regexp overflow.
(nnimap-transform-split-mail): Ditto.
pop3.el (pop3-retr): Error out if the server closes the connection.
(Store custom flags and keywords): Mention `gnus-registry-user-format-function-M' and `gnus-registry-user-format-function-M2'.
gnus-registry.el (gnus-registry-user-format-function-M): Use `mapconcat'.
(gnus-registry-user-format-function-M2): Use to see the full text of the marks. Make "," the mark text separator.
(shr-image-fetched, shr-image-displayer, shr-tag-img): Funcall it.
(shr-put-image): Return scaled image.
gnus-art.el (gnus-shr-put-image): New function.
(gnus-article-prepare-display): Bind shr-put-image-function to it.
gnus-html.el (gnus-html-wash-images): Register scaled images, not original ones, as deletable.
(registry-insert): Use it. Fix logic here too.
gnus-registry.el (gnus-registry-insert): Add wrapper that calls `registry-prune' if `registry-full' returns t.
(gnus-registry-handle-action, gnus-registry-get-or-make-entry, gnus-registry-set-id-key, gnus-registry-usage-test): Use it.
gnus.texi (Summary Buffer Lines): gnus-summary-user-date-format-alist does not exist.
(Sorting the Summary Buffer): More about sorting threads.
shr.el: Add shr-link face for links.
(shr-urlify): Use it.
registry.el (registry-insert): Make error message more helpful.
gnus-html.el (gnus-html-schedule-image-fetching): Use url-queue-retrieve, if it exists.
shr.el (shr-tag-img): Ditto.
gnus.el: Autoload more gnus-agent functions.
gnus-art.el (gnus-request-article-this-buffer): Store articles in the agent if we haven't already (bug#8502).
gnus-async.el (gnus-async-article-callback): Put prefetched articles into the Agent, too.
gnus-agent.el (gnus-agent-store-article): New function.
pop3.el (pop3-open-server): Upgrade opportunistically to STARTTLS.
(open-tls-stream): Remove superfluous tls/starttls autoloads.
gnus-sum.el (gnus-summary-next-article): Don't bug out if the summary buffer has moved to a different frame.
nnimap.el (nnimap-request-article): Use nntp-insert-buffer-substring to get the conversion from unibyte to multibyte buffers to work on Emacs 22.
nntp.el (nntp-request-article): Slight clean-up.