nnir.el: Fix typo in comments.
(nnir-run-imap): Simplify code. No need to reverse artlist.
(nnir-run-gmane): Use nnir-tmp-buffer for web results.
gnus-srvr.el (gnus-server-show-server): New command and keystroke.
nnimap.el (nnimap-get-capabilities): Refactor out.
(nnimap-open-connection): Re-request capabilities after STARTTLS.
gnus.texi (Server Commands): Document gnus-server-show-server.
59e7588262