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(ediff)Quick Help Customization

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Quick Help Customization
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   Ediff provides quick help using its control panel window.  Since
this window takes a fair share of the screen real estate, you can
toggle it off by typing `?'.  The control window will then shrink to
just one line and a mode line, displaying a short help message.

   The variable `ediff-use-long-help-message' tells Ediff whether you
use the short message or the long one.  By default, it is set to `nil',
meaning that the short message is used.  Set this to `t', if you want
Ediff to use the long message by default.  This property can always be
changed interactively, by typing `?' into Ediff Control Buffer.

   If you want to change the appearance of the help message on a
per-buffer basis, you must use `ediff-startup-hook' to change the value
of the variable `ediff-help-message', which is local to
`ediff-control-buffer'.