- (if (and (prog2
- (skip-chars-backward " \t\n")
- (eq (char-before) ?\()
- (goto-char start))
- ;; Look for the end of parentheses.
- (let ((string (buffer-substring (point)
- (point-max)))
- (default-major-mode 'fundamental-mode))
- ;; Use `standard-syntax-table'.
- (with-temp-buffer
- (insert "(" string)
- (goto-char (point-min))
- (condition-case nil
- (progn
- (forward-list 1)
- (setq end (+ start (point) -3)))
- (error nil)))))
- ;; Encode text as an unstructured field.
- (let ((rfc2047-encoding-type 'mime))
- (rfc2047-encode-region start end)
- (forward-char))
- ;; Skip one ASCII word, or encode continuous words
- ;; in which all those contain non-ASCII characters.
- (setq end nil)
- (while (not end)
- (when (looking-at "[\000-\177]+")
- (setq begin (point)
- end (match-end 0))
- (if (re-search-forward "[ \t\n]\\|\\Sw" end 'move)
- (progn
- (setq end (match-beginning 0))
- (if rfc2047-encode-encoded-words
- (progn
- (goto-char begin)
- (when (search-forward "=?" end 'move)
- (goto-char (match-beginning 0))
- (setq end nil)))
- (goto-char end)))
- (setq end nil)))
- (unless end
- (setq end t)
- (when (looking-at encodable-regexp)
- (goto-char (match-end 0))
- (while (and (looking-at "[ \t\n]+\\([^ \t\n]+\\)")
- (setq end (match-end 0))
- (string-match encodable-regexp
- (match-string 1)))
- (goto-char end))
- (when (looking-at "[^ \t\n]+")
- (setq end (match-end 0))
- (if (re-search-forward "\\Sw+" end t)
- ;; There are special characters better
- ;; to be encoded so that MTAs may parse
- ;; them safely.
- (cond ((= end (point)))
- ((looking-at encodable-regexp)
- (setq end nil))
- (t
- (goto-char (1- (match-end 0)))
- (unless (= (point) (match-beginning 0))
- (insert " "))))
- (goto-char end)
- (skip-chars-forward " \t\n")
- (if (and (looking-at "[^ \t\n]+")
- (string-match encodable-regexp
- (match-string 0)))
- (setq end nil)
- (goto-char end)))))))
- (skip-chars-backward " \t\n")
- (setq end (point))
- (goto-char start)
- (if (re-search-forward encodable-regexp end 'move)
- (progn
- (rfc2047-encode start end)
- (setq last-encoded t))
- (setq last-encoded nil))))))
+ ;; Skip one ASCII word, or encode continuous words
+ ;; in which all those contain non-ASCII characters.
+ (setq end nil)
+ (while (not end)
+ (when (looking-at "[\000-\177]+")
+ (setq begin (point)
+ end (match-end 0))
+ (if (re-search-forward "[ \t\n]\\|\\Sw" end 'move)
+ (progn
+ (setq end (match-beginning 0))
+ (if rfc2047-encode-encoded-words
+ (progn
+ (goto-char begin)
+ (when (search-forward "=?" end 'move)
+ (goto-char (match-beginning 0))
+ (setq end nil)))
+ (goto-char end)))
+ (setq end nil)))
+ (unless end
+ (setq end t)
+ (when (looking-at encodable-regexp)
+ (goto-char (match-end 0))
+ (while (and (looking-at "[ \t\n]+\\([^ \t\n]+\\)")
+ (setq end (match-end 0))
+ (string-match encodable-regexp
+ (match-string 1)))
+ (goto-char end))
+ (when (looking-at "[^ \t\n]+")
+ (setq end (match-end 0))
+ (if (re-search-forward "\\Sw+" end t)
+ ;; There are special characters better
+ ;; to be encoded so that MTAs may parse
+ ;; them safely.
+ (cond ((= end (point)))
+ ((looking-at encodable-regexp)
+ (setq end nil))
+ (t
+ (goto-char (1- (match-end 0)))
+ (unless (= (point) (match-beginning 0))
+ (insert " "))))
+ (goto-char end)
+ (skip-chars-forward " \t\n")
+ (if (and (looking-at "[^ \t\n]+")
+ (string-match encodable-regexp
+ (match-string 0)))
+ (setq end nil)
+ (goto-char end)))))))
+ (skip-chars-backward " \t\n")
+ (setq end (point))
+ (goto-char start)
+ (if (re-search-forward encodable-regexp end 'move)
+ (progn
+ (rfc2047-encode start end)
+ (setq last-encoded t))
+ (setq last-encoded nil)))))