+ gnus-mailing-list-menu))
+
+(defun gnus-xmas-image-type-available-p (type)
+ (and window-system
+ (featurep (if (eq type 'pbm) 'xbm type))))
+
+(defun gnus-xmas-create-image (file &optional type data-p &rest props)
+ (let ((type (if type
+ (symbol-name type)
+ (car (last (split-string file "[.]")))))
+ (face (plist-get props :face))
+ glyph)
+ (when (equal type "pbm")
+ (with-temp-buffer
+ (if data-p
+ (insert file)
+ (insert-file-contents-literally file))
+ (shell-command-on-region (point-min) (point-max)
+ "ppmtoxpm 2>/dev/null" t)
+ (setq file (buffer-string)
+ type "xpm"
+ data-p t)))
+ (setq glyph
+ (if (equal type "xbm")
+ (make-glyph (list (cons 'x file)))
+ (with-temp-buffer
+ (if data-p
+ (insert file)
+ (insert-file-contents-literally file))
+ (make-glyph
+ (vector
+ (or (intern type)
+ (mm-image-type-from-buffer))
+ :data (buffer-string))))))
+ (when face
+ (set-glyph-face glyph face))
+ glyph))
+
+(defun gnus-xmas-put-image (glyph &optional string category)
+ "Insert STRING, but display GLYPH.
+Warning: Don't insert text immediately after the image."
+ (let ((begin (point))
+ extent)
+ (if (and (bobp) (not string))
+ (setq string " "))
+ (if string
+ (insert string)
+ (setq begin (1- begin)))
+ (setq extent (make-extent begin (point)))
+ (set-extent-property extent 'gnus-image category)
+ (set-extent-property extent 'duplicable t)
+ (if string
+ (set-extent-property extent 'invisible t))
+ (set-extent-property extent 'end-glyph glyph))
+ glyph)
+
+(defun gnus-xmas-remove-image (image &optional category)
+ "Remove the image matching IMAGE and CATEGORY found first."
+ (map-extents
+ (lambda (ext unused)
+ (when (equal (extent-end-glyph ext) image)
+ (set-extent-property ext 'invisible nil)
+ (set-extent-property ext 'end-glyph nil)
+ t))
+ nil nil nil nil nil 'gnus-image category))
+
+(defun gnus-xmas-assq-delete-all (key alist)
+ (let ((elem nil))
+ (while (setq elem (assq key alist))
+ (setq alist (delq elem alist)))
+ alist))