* lisp/image/exif.el (exif-parse-buffer): New function. (exif-orientation): Ditto. (exif-error): New error symbol, and adjust all error signalling to only use that signal.
* lisp/image/exif.el (exif-parse-buffer): New function. (exif-orientation): Ditto. (exif-error): New error symbol, and adjust all error signalling to only use that signal.