bug#66702: Add easy customization for .dir-locals.el files

[Mauro Aranda]

On 25/10/23 03:48, Juri Linkov wrote:
>>>> M-x add-dir-local-variable RET nil RET foo RET t
>>>> M-x diff-buffer-with-file RET RET
>>>>
>>>> Should we add a nosort option somewhere?
>>>
>>> The assumption was that .dir-locals.el will always be modified
>>> by these commands.  But since it's often modified manually
>>> with an arbitrary order, this means that the sorting order
>>> is not important.  So we could simply remove the sorting code.
>>
>> Hmm, but that would be backward incompatible.  Someone out there might
>> be relying in these commands to keep the settings sorted.
>
> Then we could add a simple variable, not a customizable option.
> Then they could even set this variable in the customized .dir-locals.el!

That should be good enough, I think.