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Support highlighting fill-column overflows

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This was previously semi-supported. There were two problems, however:

1. My fill-column value of 80 got out-of-sync with my white-line-column
   value of 100.
   Solution: globally define wpc/fill-column, set that to 80, and
   consume the new const in my config.

2. Nothing was activating whitespace mode.
   Solution: add whitespace-mode to prog-mode-hook.

This SO answer helped tremendously:
https://stackoverflow.com/questions/18855510/have-emacs-highlight-characters-over-80
This commit is contained in:
William Carroll 2018-08-09 12:02:18 -04:00
parent 2211d65557
commit 6393e47c77
3 changed files with 10 additions and 3 deletions
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4
emacs.d/wpc/variables.el
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@ -18,5 +18,9 @@
[mouse-5] [down-mouse-5] [drag-mouse-5] [double-mouse-5] [triple-mouse-5])
"This variable stores all of the mouse-related keybindings that Emacs recognizes.")
(defconst wpc/fill-column
80
"Variable used to set the defaults for wrapping, highlighting, etc.")
(provide 'variables)
;;; variables.el ends here