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Fix over-eager whitespace-mode after switching major modes

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Some major modes (like rust-mode) may trigger
doom-highlight-non-default-indentation-h twice, causing whitespace-style
to be set to its default global value, which (by default) enables
whitespace-mode with all its features. This may overwhelm the
unsuspecting user, so we instead only tack on our modifications to
whitespace-style to its existing buffer-local value, rather than its
global value.
This commit is contained in:
Henrik Lissner 2019-08-06 20:38:04 -04:00
parent 1dcbdc8dfb
commit b34a542ca0
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GPG key ID: 5F6C0EA160557395
1 changed files with 3 additions and 3 deletions
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6
core/core-ui.el
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@ -141,9 +141,9 @@ read-only or not file-visiting."
(set (make-local-variable 'whitespace-style)
(let ((style (if indent-tabs-mode '(indentation) '(tabs tab-mark))))
(if whitespace-mode
(cl-union style (default-value 'whitespace-style))
`(face ,@style))))
(add-to-list 'whitespace-style 'face)
(cl-union style whitespace-active-style)
style)))
(cl-pushnew 'face whitespace-style)
(whitespace-mode +1)))