Imagine an org buffer in Emacs like:

* Title

Some text describing the title and the codew (sic) and whatnot.

#+BEGIN_SRC emacs_lisp
(setq backup-by-copying t)

I want flyspell to check the org buffer (and catch the spelling error in it) but ignore the content between the #+BEGIN_SRC and #+END_SRC marks. How does one go about that?

  • 2
    It looks like someone will need to write up some code using the flyspell-generic-check-word-predicate, if that hasn't already been invented. Here is a related thread for flyspell using the flyspell-generic-check-word-predicate: superuser.com/a/345461/206164 ; and, here is a semi-related thread for ispell using ispell-skip-region-alist, but not relating to flyspell: emacs.stackexchange.com/a/2103/2287 – lawlist Feb 18 '15 at 6:54
  • can emacs.stackexchange.com/a/2103/2609 help? – Name Feb 18 '15 at 12:48
  • This question is a dupe of that one emacs.stackexchange.com/questions/450/… – grettke Feb 18 '15 at 16:53
  • 1
    @grettke: Seems like a dupe, but it's not. Changing the settings for Ispell does not actually solve the problem in Flyspell. At least not when I tried it. – Brian Z Feb 19 '15 at 7:25
  • It works out of the box in v8.3 when you require ox. – rasmus Feb 19 '15 at 16:15
;; NO spell check for embedded snippets
(defadvice org-mode-flyspell-verify (after org-mode-flyspell-verify-hack activate)
  (let* ((rlt ad-return-value)
         (begin-regexp "^[ \t]*#\\+begin_\\(src\\|html\\|latex\\|example\\|quote\\)")
         (end-regexp "^[ \t]*#\\+end_\\(src\\|html\\|latex\\|example\\|quote\\)")
         (case-fold-search t)
         b e)
    (when ad-return-value
        (setq b (re-search-backward begin-regexp nil t))
        (if b (setq e (re-search-forward end-regexp nil t))))
      (if (and b e (< (point) e)) (setq rlt nil)))
    (setq ad-return-value rlt)))

Please note ispell-skip-region-alist is NOT used by flyspell.

Test on Emacs24.3, 24.4, 24.5, 25.1 with builtin org-mode

Most users turn on flyspell by default. So above code is enough.

But I don't enable flyspell-mode in org file. I prefer manually M-x flyspell-buffer again and again. So I need (flyspell-mode 1) (flyspell-mode -1) in org-mode-hook. Yes, turn on then turn off flyspell-mode. The purpose is to make sure the org-mode's default predicate is loaded.

  • I suggest adding quote to the regexp, such as: ` (begin-regexp "^[ \t]*#\\+begin_\(src\\|html\\|latex\\|quote\)") (end-regexp "^[ \t]*#\\+end_\(src\\|html\\|latex\\|quote\)")` – prjorgensen Jun 26 '15 at 1:23

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