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Re: General variable for verbosity level. (was: saveplace: don't ask for

From: David Reitter
Subject: Re: General variable for verbosity level. (was: saveplace: don't ask for coding system)
Date: Mon, 3 Dec 2007 20:22:35 +0000

On 3 Dec 2007, at 01:04, Karl Fogel wrote:

Variable: Say which messages are printed by `maybe-message' (which see)
            in non-interactive contexts.

Yes, I would either log all messages to *Messages*, or also create a customization variable:

Variable: Maximum level of messages logged to *Messages* by `maybe- message'.

 But should `message-verbosity-level' be a
number, or something else?  It could be, for example, a symbol:

I think the symbol would be okay, because it is easier to understand, and also quite easy to extend. But some modes (like tramp-mode) already have a numeric system of up to ten verbosity levels.

So, perhaps one could allow for numbers, and allow symbols as a clearer form that translate directly to numbers, e.g. `none' would be 0, `important' 2, `verbose' 5, `all' 10. That way, verbosity is indicates as an integer 0..10, with 10 being the most verbose.

That way, we would not lose any specificity in modes like tramp-mode, but retain a clean and simply interface for the user.

(But to be honest, either way looks good to me.)

There could be a recommendation for externally maintained modes to take use maybe-message, or take this verbosity level as the default for an existing verbosity customization.

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