+1998-03-23 Tanaka Akira <akr@jaist.ac.jp>
+
+ * lisp/gnus-sum.el (message-subject-guess-encoded-re-regexp): New
+ constant.
+ (message-subject-dont-modify-regexp): Delete.
+ (message-subject-dont-modify-regexp-always-match): Delete.
+ (message-subject-dont-modify-regexp-encoded-re): Delete.
+ (message-followup-subject): New custom variable.
+ (message-make-subject): Use `message-followup-subject' instead of
+ `message-subject-dont-modify-regexp'.
+
1998-03-22 Tanaka Akira <akr@jaist.ac.jp>
* lisp/gnus-sum.el (gnus-extract-full-name): New variable.