(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.
gnus-registry.el: Mention in comments how to modify `gnus-extra-headers' for proper recipient tracking and that it may already have To and Cc recently, which it does as of this commit.
gnus-registry.el (gnus-registry-ignored-groups): Remove defcustom. Explain why in comments.
(gnus-registry-action): Fix data-header reference to use the extra headers. Explain in package commentary how to add To and Cc headers to the gnus-extra-headers.
(gnus-registry-ignored-groups): Adjust defaults to match the parameter.
(gnus-registry-ignore-group-p): Adjust to take either a group/topic parameter list or a string list in `gnus-registry-ignored-groups'. Fix logic error.
(gnus-registry-ignored-groups): New variable.
(gnus-registry-ignore-group-p): Use it.
(gnus-registry-handle-action): Use `gnus-registry-ignore-group-p' and set the destination group to nil (same as delete) if it's ignored.
gnus-registry.el (gnus-registry-fixup-registry): Use it if the tracked field changes.
(gnus-registry-unfollowed-addresses, gnus-registry-track-extra)
(gnus-registry-action, gnus-registry-spool-action)
(gnus-registry-handle-action)
(gnus-registry--split-fancy-with-parent-internal)
(gnus-registry-split-fancy-with-parent)
(gnus-registry-register-message-ids): Add recipient tracking on spool, move, and delete actions, and for fancy splitting with parent.
(gnus-registry-extract-addresses)
(gnus-registry-fetch-recipients-fast)
(gnus-registry-fetch-header-fast): Convenience functions.
(gnus-registry-misc-test): ERT test of `gnus-registry-extract-addresses'.
