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Teach Rmail about NBSP in "Re:"

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* lisp/mail/rmail.el (rmail-simplified-subject)
(rmail-reply-regexp): Allow NBSP in "RE:" prefixes.
This commit is contained in:
Eli Zaretskii 2021-03-13 11:22:01 +02:00
parent a2960025e8
commit 876b95bf90
1 changed files with 3 additions and 2 deletions
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lisp/mail/rmail.el
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@ -582,7 +582,7 @@ Examples:
;; This pattern should catch all the common variants.
;; rms: I deleted the change to delete tags in square brackets
;; because they mess up RT tags.
(defvar rmail-reply-regexp "\\`\\(Re\\(([0-9]+)\\|\\[[0-9]+\\]\\|\\^[0-9]+\\)?: *\\)*"
(defvar rmail-reply-regexp "\\`\\(Re\\(([0-9]+)\\|\\[[0-9]+\\]\\|\\^[0-9]+\\)?\u00a0*: *\\)*"
"Regexp to delete from Subject line before inserting `rmail-reply-prefix'.")
(defcustom rmail-display-summary nil
@ -3398,7 +3398,8 @@ whitespace, replacing whitespace runs with a single space and
removing prefixes such as Re:, Fwd: and so on and mailing list
tags such as [tag]."
(let ((subject (or (rmail-get-header "Subject" msgnum) ""))
(regexp "\\`[ \t\n]*\\(\\(\\w\\{1,3\\}:\\|\\[[^]]+]\\)[ \t\n]+\\)*"))
(regexp
"\\`[ \t\n]*\\(\\(\\w\\{1,3\\}\u00a0*:\\|\\[[^]]+]\\)[ \t\n]+\\)*"))
(setq subject (rfc2047-decode-string subject))
(setq subject (replace-regexp-in-string regexp "" subject))
(replace-regexp-in-string "[ \t\n]+" " " subject)))