(pmail-show-message): Protect buffer-modified flag around swap.
(pmail-change-major-mode-hook): Likewise.
(pmail-use-collection-buffer, pmail-swap-buffers-maybe): Likewise.
(pmail-error-bad-format): Always phrase the error as about an invalid message.
(pmail-convert-file-maybe): Don't use pmail-error-bad-format.
(pmail-mode-map): Move pmail-widen to C-c C-w.
(pmail-mode-1): Don't alter mode-line-modified.
(pmail-perm-variables): Turn off undo in view buffer.
(pmail-variables): Turn off undo.
(pmail-show-message): Delete useless calls to `widen'.
Avoid passing thru temp buffer if we don't need
base64 or quoted printable decoding for whole message.
(pmail-keywords): Variable deleted.
(pmail-last-label, pmail-last-multi-labels): Moved to pmailkwd.el.
(pmail-perm-variables): Don't mess with pmail-last-label.
Don't mess with pmail-keywords.
(pmail-copy-headers): Doc fix.
(pmail-set-header): New function.
(pmail-get-keywords): Doc fix.
(pmail-get-labels): New function.
(pmail-display-labels): Use pmail-get-labels.
(pmail-set-attribute): Mark pmail-buffer modified
if we change an attribute.
(pmail-apply-in-message): New function.
(pmail-message-labels-p): Function moved to pmailsum.el.
(pmail-message-recipients-p, pmail-message-regexp-p): Likewise.
(pmail-current-subject, pmail-current-subject-regexp): Fns deleted.
(pmail-simplified-subject, pmail-simplified-subject-regexp): New fns.
(pmail-next-same-subject): Fetch each msg's subject and compare.
(pmail-speedbar-move-message): Use pmail-output.
(pmail-construct-io-menu): Use pmail-output.
(pmail-default-pmail-file): Variable deleted.
(pmail-auto-file): Use pmail-output.
(pmail-mode-map): Remove pmail-output-to-babyl-file.
Add pmail-output-as-seen.
(pmail-mode): Update output commands in doc string.
Delete most declare-function calls.
(pmail-keywords, pmail-deleted-label, pmail-attributes): Vars deleted.
(pmail-attribute-p, pmail-keyword-p): Fns deleted.
(pmail-keywords, pmail-parse-file-keywords, pmail-install-keyword):
(pmail-force-make-label, pmail-quote-label-name): Fns deleted.
(pmail-last-label, pmail-last-multi-labels): Vars moved from pmail.el.
(pmail-read-label): Don't switch buffers, don't parse file keywords.
(pmail-set-label): Major rewrite.
(pmail-next-labeled-message): Call pmail-get-labels and match it.
(pmail-message-recipients-p): Likewise.
(pmail-message-regexp-p): Likewise.
(pmail-message-recipients-p-1): New subroutine.
(pmail-message-regexp-p-1): Likewise.
(pmail-summary-by-topic): Use pmail-simplified-subject.
Delete subject-re variable.
(pmail-message-subject-p): Total rewrite.
(pmail-message-senders-p): Total rewrite.
(pmail-new-summary-1): Call FUNCTION in the main Pmail buffer.
(pmail-get-summary): Doc fix.
(pmail-create-summary-line): Renamed from
pmail-get-create-summary-line, and major rewrite.
(pmail-get-summary-labels): Doc fix.
(pmail-create-summary): Major rewrite. Construct line counts here.
(pmail-header-summary): Renamed from pmail-make-basic-summary-line.
Return list of two strings.
(pmail-summary-next-same-subject): Extract subjects and compare.
(pmail-summary-output): Renamed from pmail-summary-output-to-babyl-file.
Use pmail-output.
(pmail-summary-output-as-seen): Renamed from pmail-summary-output.
Use pmail-output-as-seen.
(pmail-summary-construct-io-menu): Use pmail-summary-output.
(utc_base): Declare as ULONGLONG, not long double.
(convert_time_raw): Delete.
(FILETIME_TO_U64, U64_TO_LISP_TIME): New macros.
(initialize_utc_base): New function.
(convert_time): Use FILETIME_TO_U64, initialize_utc_base.
(convert_from_time_t): Use initialize_utc_base; compute result with
64-bit arithmetic.
(process_times): Use FILETIME_TO_U64, U64_TO_LISP_TIME.
* lisp/gnus/nnimap.el (nnimap-retrieve-headers-progress): Handle edge
case where `headers' is nil. This can occur if the IMAP server does
not have permissions to read messages from a folder, but can write new
messages to the folder.
(nnimap-request-article-part): Do not insert `data' if it is nil.
* lisp/net/imap.el (imap-parse-fetch): Courier can insert spurious blank
characters which will confuse `read', so skip past them.
