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* bug#71384: treesit-font-lock-fontify-region unnecessarily re-unfontify's
@ 2024-06-05 22:06 JD Smith
  2024-06-06  5:34 ` Eli Zaretskii
  0 siblings, 1 reply; 3+ messages in thread
From: JD Smith @ 2024-06-05 22:06 UTC (permalink / raw)
  To: 71384

The function treesit-font-lock-fontify-region in treesit.el calls (font-lock-unfontify-region start end) right away (see below).  But this function is called as the value of font-lock-fontify-syntactically-function from font-lock-default-fontify-region, which has just itself made the exact same call to font-lock-unfontify-region. I commented out that superfluous call in treesit-font-lock-fontify-region and noticed no ill effects.

(defun treesit-font-lock-fontify-region (start end &optional loudly)
  "Fontify the region between START and END.
If LOUDLY is non-nil, display some debugging information."
  (when (or loudly treesit--font-lock-verbose)
    (message "Fontifying region: %s-%s" start end))
  (treesit-update-ranges start end)
  (font-lock-unfontify-region start end)




^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2024-06-06 11:35 UTC | newest]

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2024-06-05 22:06 bug#71384: treesit-font-lock-fontify-region unnecessarily re-unfontify's JD Smith
2024-06-06  5:34 ` Eli Zaretskii
2024-06-06 11:35   ` JD Smith

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