org-table.el: Check `display-line-numbers-mode' availability
* lisp/org-table.el (org-table-set-header-line-format): Check whether the `display-line-numbers-mode' command is available.
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@ -468,7 +468,8 @@ existing value of `header-line-format' we might want to restore."
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(lambda ()
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(let* ((beg (org-table-begin))
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;; Are we using `display-line-numbers-mode'?
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(lin (and display-line-numbers-mode
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(lin (and (fboundp 'display-line-numbers-mode)
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display-line-numbers-mode
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(round (line-number-display-width 'columns))))
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;; Are we using `org-indent-mode'?
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(pre (and org-indent-mode
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