branch: externals/org
commit 24c1c877cf2c06faffa55d5f3a5d488a0067ad35
Author: Ihor Radchenko <yanta...@gmail.com>
Commit: Ihor Radchenko <yanta...@gmail.com>
org-fold-core-fontify-region: Calculate jit-lock-bounds accurately
* lisp/org-fold-core.el (org-fold-core-fontify-region): Collect all
the return values of `font-lock-default-fontify-region' on visible
regions and extend jit-lock-bounds accordingly.
---
lisp/org-fold-core.el | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/lisp/org-fold-core.el b/lisp/org-fold-core.el
index 4056ae0048..6786009ec4 100644
--- a/lisp/org-fold-core.el
+++ b/lisp/org-fold-core.el
@@ -1467,7 +1467,16 @@ folded regions.")
(< next end))
(setq next (org-fold-core-next-folding-state-change nil next
end))))
(save-excursion
- (setq font-lock-return-value (font-lock-default-fontify-region pos
next loudly))
+ ;; Keep track of the actually fontified region.
+ (pcase (font-lock-default-fontify-region pos next loudly)
+ (`(jit-lock-bounds ,beg . ,end)
+ (pcase font-lock-return-value
+ (`(jit-lock-bounds ,oldbeg . ,oldend)
+ (setq font-lock-return-value
+ `(jit-lock-bounds
+ ,(min oldbeg beg)
+ ,(max oldend end))))
+ (value (setq font-lock-return-value value)))))
(save-match-data
;; Only run within regions that are not yet touched by
;; fontification.
