- (if (and (consp rcnum)
- (not (member
- ctype
- mime-view-content-button-ignored-ctype-list)))
- (mime-preview/insert-content-button
- rcnum cinfo ctype params subj encoding)
- ))
-
-(defvar mime-preview/content-button-function
- (function mime-preview/default-content-button-function))
+ "Insert entity button conditionally.
+Please redefine this function if you want to change default setting."
+ (or (null rcnum)
+ (string= ctype "application/x-selection")
+ (and (string= ctype "application/octet-stream")
+ (string= (mime::content-info/type
+ (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo))
+ "multipart/encrypted"))
+ (mime-view-insert-entity-button rcnum cinfo ctype params subj encoding)
+ ))