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Make whitespace-injection more robust

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+ No longer try to affect read-only buffers
+ Only activate if indent-tabs-mode is nil (spaces)
This commit is contained in:
Henrik Lissner
2017-06-16 14:22:05 +02:00
parent 9c9e410898
commit 8f9bd835a5
1 changed files with 14 additions and 13 deletions
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9
core/core-ui.el
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@ -198,10 +198,10 @@ mode is detected.")
buffer so that `highlight-indentation-mode' will display uninterrupted indent
markers. This whitespace is stripped out on save, as not to affect the resulting
file."
(interactive (progn (barf-if-buffer-read-only)
(if (use-region-p)
(interactive (if (use-region-p)
(list (region-beginning) (region-end))
(list nil nil))))
(list nil nil)))
(barf-if-buffer-read-only)
(unless indent-tabs-mode
(with-silent-modifications
(save-excursion
@ -229,6 +229,7 @@ file."
nil)
(defun doom|init-highlight-indentation ()
(unless (or indent-tabs-mode buffer-read-only)
(if (or highlight-indentation-mode highlight-indentation-current-column-mode)
(progn
(doom|inject-trailing-whitespace)
@ -237,7 +238,7 @@ file."
(remove-hook 'before-save-hook #'delete-trailing-whitespace t)
(remove-hook 'after-save-hook #'doom|inject-trailing-whitespace t)
(with-silent-modifications
(delete-trailing-whitespace))))
(delete-trailing-whitespace)))))
(add-hook! (highlight-indentation-mode highlight-indentation-current-column-mode)
#'doom|init-highlight-indentation))