diff options
Diffstat (limited to 'lisp/mail/rfc2047.el')
| -rw-r--r-- | lisp/mail/rfc2047.el | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/lisp/mail/rfc2047.el b/lisp/mail/rfc2047.el index 4cb10e54393..e636d619c03 100644 --- a/lisp/mail/rfc2047.el +++ b/lisp/mail/rfc2047.el @@ -37,14 +37,19 @@ (require 'rfc2045) ;; rfc2045-encode-string (autoload 'mm-body-7-or-8 "mm-bodies") -(defvar rfc2047-header-encoding-alist +(defgroup rfc2047 nil + "RFC2047 messages." + :group 'mail + :prefix "rfc2047-") + +(defcustom rfc2047-header-encoding-alist '(("Newsgroups" . nil) ("Followup-To" . nil) ("Message-ID" . nil) ("\\(Resent-\\)?\\(From\\|Cc\\|To\\|Bcc\\|\\(In-\\)?Reply-To\\|Sender\ \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\)" . address-mime) (t . mime)) - "*Header/encoding method alist. + "Header/encoding method alist. The list is traversed sequentially. The keys can either be header regexps or t. @@ -56,7 +61,12 @@ The values can be: fields (where quoted strings and comments must be treated separately); 4) a charset, in which case it will be encoded as that charset; 5) `default', in which case the field will be encoded as the rest - of the article.") + of the article." + :type '(alist :key-type (choice regexp (const t)) + :value-type (choice (const nil) (const mime) + (const address-mime) + coding-system + (const default)))) (defvar rfc2047-charset-encoding-alist '((us-ascii . nil) @@ -97,8 +107,9 @@ quoted-printable and base64 respectively.") (defvar rfc2047-encode-encoded-words t "Whether encoded words should be encoded again.") -(defvar rfc2047-allow-irregular-q-encoded-words t - "*Whether to decode irregular Q-encoded words.") +(defcustom rfc2047-allow-irregular-q-encoded-words t + "Whether to decode irregular Q-encoded words." + :type 'boolean) (eval-and-compile ;; Necessary to hard code them in `rfc2047-decode-region'. (defconst rfc2047-encoded-word-regexp @@ -864,14 +875,15 @@ is the standard but many mailers don't support it." (defvar rfc2047-quote-decoded-words-containing-tspecials nil "If non-nil, quote decoded words containing special characters.") -(defvar rfc2047-allow-incomplete-encoded-text t - "*Non-nil means allow incomplete encoded-text in successive encoded-words. +(defcustom rfc2047-allow-incomplete-encoded-text t + "Non-nil means allow incomplete encoded-text in successive encoded-words. Dividing of encoded-text in the place other than character boundaries violates RFC2047 section 5, while we have a capability to decode it. If it is non-nil, the decoder will decode B- or Q-encoding in each encoded-word, concatenate them, and decode it by charset. Otherwise, the decoder will fully decode each encoded-word before concatenating -them.") +them." + :type 'boolean) (defun rfc2047-strip-backslashes-in-quoted-strings () "Strip backslashes in quoted strings. `\\\"' remains." |