(flyspell-mark-duplications-exceptions): New variable. List of

exceptions for the duplicated word rule.
(flyspell-mark-duplications-flag): Mention it.
(flyspell-word): Treat it.

1 files changed, 17 insertions, 0 deletions

diff --git a/lisp/textmodes/flyspell.el b/lisp/textmodes/flyspell.el
index 0b5dfa4cc54..9d5c7868d13 100644
--- a/lisp/textmodes/flyspell.el
+++ b/lisp/textmodes/flyspell.el
@@ -67,11 +67,21 @@ Non-nil means use highlight, nil means use minibuffer messages."
 
 (defcustom flyspell-mark-duplications-flag t
   "Non-nil means Flyspell reports a repeated word as an error.
+See `flyspell-mark-duplications-exceptions' to add exceptions to this rule.
 Detection of repeated words is not implemented in
 \"large\" regions; see `flyspell-large-region'."
   :group 'flyspell
   :type 'boolean)
 
+(defcustom flyspell-mark-duplications-exceptions
+  '(("francais" . ("nous" "vous")))
+  "A list of exceptions for duplicated words.
+It should be a list of (LANGUAGE . EXCEPTION-LIST).  LANGUAGE is matched
+against the current dictionary and EXCEPTION-LIST is a list of strings.
+The duplicated word is downcased before it is compared with the exceptions."
+  :group 'flyspell
+  :type '(alist :key-type string :value-type (repeat string)))
+
 (defcustom flyspell-sort-corrections nil
   "Non-nil means, sort the corrections alphabetically before popping them."
   :group 'flyspell
@@ -1022,6 +1032,13 @@ Mostly we check word delimiters."
                      (and (> start (point-min))
                           (not (memq (char-after (1- start)) '(?\} ?\\)))))
                  flyspell-mark-duplications-flag
+                 (not (catch 'exception
+                        (dolist (except flyspell-mark-duplications-exceptions)
+                          (and (string= (or ispell-local-dictionary
+                                            ispell-dictionary)
+                                        (car except))
+                               (member (downcase word) (cdr except))
+                               (throw 'exception t)))))
                  (save-excursion
                    (goto-char start)
                    (let* ((bound