+ '(load "~/.ercrc.el"))
+
+;; Heavy-duty Gnus patching.
+
+(defun mdw-nnimap-transform-headers ()
+ (goto-char (point-min))
+ (let (article lines size string)
+ (block nil
+ (while (not (eobp))
+ (while (not (looking-at "\\* [0-9]+ FETCH"))
+ (delete-region (point) (progn (forward-line 1) (point)))
+ (when (eobp)
+ (return)))
+ (goto-char (match-end 0))
+ ;; Unfold quoted {number} strings.
+ (while (re-search-forward
+ "[^]][ (]{\\([0-9]+\\)}\r?\n"
+ (save-excursion
+ ;; Start of the header section.
+ (or (re-search-forward "] {[0-9]+}\r?\n" nil t)
+ ;; Start of the next FETCH.
+ (re-search-forward "\\* [0-9]+ FETCH" nil t)
+ (point-max)))
+ t)
+ (setq size (string-to-number (match-string 1)))
+ (delete-region (+ (match-beginning 0) 2) (point))
+ (setq string (buffer-substring (point) (+ (point) size)))
+ (delete-region (point) (+ (point) size))
+ (insert (format "%S" (mm-subst-char-in-string ?\n ?\s string)))
+ ;; [mdw] missing from upstream
+ (backward-char 1))
+ (beginning-of-line)
+ (setq article
+ (and (re-search-forward "UID \\([0-9]+\\)" (line-end-position)
+ t)
+ (match-string 1)))
+ (setq lines nil)
+ (setq size
+ (and (re-search-forward "RFC822.SIZE \\([0-9]+\\)"
+ (line-end-position)
+ t)
+ (match-string 1)))
+ (beginning-of-line)
+ (when (search-forward "BODYSTRUCTURE" (line-end-position) t)
+ (let ((structure (ignore-errors
+ (read (current-buffer)))))
+ (while (and (consp structure)
+ (not (atom (car structure))))
+ (setq structure (car structure)))
+ (setq lines (if (and
+ (stringp (car structure))
+ (equal (upcase (nth 0 structure)) "MESSAGE")
+ (equal (upcase (nth 1 structure)) "RFC822"))
+ (nth 9 structure)
+ (nth 7 structure)))))
+ (delete-region (line-beginning-position) (line-end-position))
+ (insert (format "211 %s Article retrieved." article))
+ (forward-line 1)
+ (when size
+ (insert (format "Chars: %s\n" size)))
+ (when lines
+ (insert (format "Lines: %s\n" lines)))
+ ;; Most servers have a blank line after the headers, but
+ ;; Davmail doesn't.
+ (unless (re-search-forward "^\r$\\|^)\r?$" nil t)
+ (goto-char (point-max)))
+ (delete-region (line-beginning-position) (line-end-position))
+ (insert ".")
+ (forward-line 1)))))
+
+(eval-after-load 'nnimap
+ '(defalias 'nnimap-transform-headers
+ (symbol-function 'mdw-nnimap-transform-headers)))