+(defvar tm:button-face 'bold
+ "Face used for content-button or URL-button of MIME-Preview buffer.
+\[tm-def.el]")
+
+(defvar tm:mouse-face 'highlight
+ "Face used for MIME-preview buffer mouse highlighting. [tm-def.el]")
+
+(defvar tm:warning-face nil
+ "Face used for invalid encoded-word.")