Removing list identifiers in rmail (was: Changes to emacs/lisp/mail/rmail.el)

[Reiner Steib]

Alex Schroeder on emacs-diffs:

> --- emacs/lisp/mail/rmail.el:1.417    Sun Jan  8 15:18:55 2006
> +++ emacs/lisp/mail/rmail.el  Sun Jan  8 23:47:07 2006
> @@ -447,8 +447,10 @@
>    "String to prepend to Subject line when replying to a message.")
>  
>  ;; Some mailers use "Re(2):" or "Re^2:" or "Re: Re:" or "Re[2]:".
> -;; This pattern should catch all the common variants.
> -(defvar rmail-reply-regexp 
> "\\`\\(Re\\(([0-9]+)\\|\\[[0-9]+\\]\\|\\^[0-9]+\\)?: *\\)*"
> +;; This pattern should catch all the common variants.  The pattern
> +;; also ignores mailing list identifiers sometimes added in square
> +;; brackets at the beginning of subject lines.
> +(defvar rmail-reply-regexp "\\`\\(\\[.+?\\] 
> \\)?\\(Re\\(([0-9]+)\\|\\[[0-9]+\\]\\|\\^[0-9]+\\)?: *\\)*"
>    "Regexp to delete from Subject line before inserting 
> `rmail-reply-prefix'.")

If this also removes tags in square brackets (like in "[PCL-CVS] foo",
"[patch] bar", ...), it is not a good idea, IMHO.

Bye, Reiner.
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