:group 'message-various)
(defcustom message-subject-trailing-was-ask-regexp
- "[ \t]*\\([[(]+[Ww][Aa][Ss]:?[ \t]*.*[\])]+\\)"
+ "[ \t]*\\([[(]+[Ww][Aa][Ss]:?[ \t]*.*[])]+\\)"
"*Regexp matching \"(was: <old subject>)\" in the subject line.
The function `message-strip-subject-trailing-was' uses this regexp if