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bug#26105: Group parameters can't set non-list values

From: Lars Ingebrigtsen
Subject: bug#26105: Group parameters can't set non-list values
Date: Thu, 12 Apr 2018 21:29:23 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Tim Landscheidt <address@hidden> writes:

> |    We see that each element consists of a “dotted pair”—the thing before
> | the dot is the key, while the thing after the dot is the value.  All the
> | parameters have this form _except_ local variable specs, which are not
> | dotted pairs, but proper lists.
> IMHO this behaviour is surprising and makes customizing non-
> list variables for groups unnecessarily complicated; it
> should be changed so that all values can be set.
> If Gnus differentiates between two types of parameters as
> the info suggests, IMHO this would be better done by compar-
> ing (car elem) to a white-list of parameters to be treated
> differently.

Yeah, but changing this would break the parameters that people may be
using.  If we remove the distinction between parameters and local
variables, then things will break for users.

I agree that the current state isn't optimal, but I don't see any way to
fix this in an intuitive and backwards-compatible way.

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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