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Avoid whitespace-mode breaking standard-display-unicode-special-glyphs

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* lisp/whitespace.el (whitespace-display-char-on): Copy from
'standard-display-table' if 'buffer-display-table' is nil.  This
avoids overwriting display-table customizations by features that
modify 'standard-display-table' for global effects.  (Bug#78522)
This commit is contained in:
Eli Zaretskii 2025-06-07 12:21:38 +03:00
parent 9629ade0b0
commit fc96cc1feb
1 changed files with 2 additions and 1 deletions
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3
lisp/whitespace.el
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@ -2480,7 +2480,8 @@ purposes)."
;; Assure `buffer-display-table' is unique
;; when two or more windows are visible.
(setq buffer-display-table
(copy-sequence buffer-display-table)))
(copy-sequence (or buffer-display-table
standard-display-table))))
(unless buffer-display-table
(setq buffer-display-table (make-display-table)))
(dolist (entry whitespace-display-mappings)