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bug#2848: describe-variable's completions vs. set-variable'scompletions
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From: |
Drew Adams |
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Subject: |
bug#2848: describe-variable's completions vs. set-variable'scompletions |
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Date: |
Wed, 1 Apr 2009 15:56:47 -0700 |
> default-truncate-lines is a variable defined in `C source code'.
> Its value is nil
>
> OK, then why does set-variable not allow me to set it in the
> minibuffer? "No match".
>
> emacs-version "22.2.1"
Because it's not a *user* variable, that is, an option.
An option is a variable that you can set using `M-x set-variable'.
Options include, as a proper subset, customizable options, that is, variables
that you can set and save using Customize.