flyspell's highlight cleared after a "save word" action

Question

After running flyspell-buffer, all misspelled words are highlighted. However, after saving a word, all of the highlighting is gone. How can I avoid that? My flyspell-persistent-highlight is set t.

m4lvin · Answer

Via https://www.emacswiki.org/emacs/FlySpell#toc9 and https://www.reddit.com/r/emacs/comments/4oc7pg/spellcheck_flyspellmode_underlines_disappear_when/d5l9vtt/ I found this solution:
(defun flyspell-buffer-after-pdict-save (&rest _)
  (flyspell-buffer))

(advice-add 'ispell-pdict-save :after #'flyspell-buffer-after-pdict-save)

Unfortunately this seems to trigger a bit too often: flyspell-buffer now also runs after correcting a word or even after dismissing the mouse-2 menu without any action.

flyspell's highlight cleared after a "save word" action

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