;;;###autoload
(defun image-supported-file-p (file)
- "Say whether Emacs has native support for displaying TYPE.
-The value is a symbol specifying the image type, or nil if type
-cannot be determined (or if Emacs doesn't have built-in support
-for the image type)."
+ "Return non-nil if Emacs can display the specified image FILE.
+The returned value is a symbol specifying the image type of FILE,
+or nil if Emacs cannot display that image type or if the type
+cannot be determined."
(let ((case-fold-search t)
type)
(catch 'found