Re: setting non-user variables

[Emanuel Berg]

Héctor Lahoz <hectorlahoz@gmail.com> writes:

>> Aha, then do C-u before you do M-x!
>
> Thanks, but the key is not "C-u". Either using "C-u"
> or not, when I hit TAB it says "no match" and
> I can't set the variable.

C-u is `universal-argument'. You can try this for
example with C-u c

    cccc (4 c's)

or, C-u C-u c

    cccccccccccccccc (4**2 = 16 c's)

or, C-u C-u C-u c

    cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
    (4**3 = 64 c's)

or, C-u 3 c

    ccc (3 c's)

and so on.

What you describe is because there isn't any
"mpkg-master-file" variable. So you either need to
load the mode programmatically with `require' or
`load', or go to a situation (state) in Emacs wich
implies it, "the mode" being whatever
module has the variable defined.

You can look for it with

    C-h v mpkg-master-file RET

is it there?

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