Difference: LinuxUpgradeSummer2007 (6 vs. 7)

Revision 72007-09-04 - DaveCostello

Line: 1 to 1
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Linux Changes, Summer 2007

This page is for sharing information regarding the Fedora 7 upgrade during summer 2007.


emacs differences in fedora 7

(courtesy of Michael Scott)

You may have recently encountered some annoying changes in emacs, including crazy colors in the mode line and minibuffer. These are artifacts of the switch from emacs 21 to emacs 22, which came with Fedora 7. Here are a few hints you may find helpful.

If you don't like the "file foo is large (12MB); really open?" messages, you can turn them off by adding the following to your .emacs file:

(setq large-file-warning-threshold nil)
The colors are the result of defining new "faces" for several things, including the minibuffer and mode line. You can see what the various faces are and what they look like by running
M-x list-faces-display
Then you can change the faces you don't like by adding lines to your .emacs. If you want the file to continue to work with emacs 21 you'll need to put the changes inside a conditional. Here's what I did for my own setup:
  (setq emacs22 (string= major-version "22"))


  (if emacs22
        ;; fix mode line and minibuffer colors
        (set-face-attribute 'mode-line nil :background "cyan")
        (set-face-attribute 'mode-line nil :foreground "black")
        (set-face-attribute 'mode-line-buffer-id nil :background "gray")
            ;; notions of mode line foreground and background appear
            ;; to be reversed in emacs22 [a bug?]
            ;; so the above 3 lines are counterintuitive workaround
        (set-face-attribute 'mode-line-buffer-id nil :weight 'normal)
        (set-face-attribute 'minibuffer-prompt nil :foreground "blue"))
      ; else:
      (set-face-attribute 'mode-line nil :background "black"))

-- DaveCostello - 04 Sep 2007


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