Re: [PATCH] scripts: kernel-doc: allow passing desired Sphinx C domain dialect

[Joe Perches]

On Tue, 2020-10-06 at 08:01 -0600, Jonathan Corbet wrote:
> On Tue, 6 Oct 2020 08:42:07 +0200
> Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote:
> 
> > As right now we don't support Sphinx version 3.0[1], we're actually using just
> > $sphinx_major. So, I'm wonder if it would make sense to also make <minor>
> > optional.
> 
> Maybe...someday we may need it, knowing how the Sphinx folks approach
> compatibility, but I guess we can always add it then if so.
> 
> > The change would be trivial, although the regex will become even more
> > harder to read ;-)
> 
> 	^(\d+)(\.(\d+)){,2}
> 
> ?  (untested, of course)

This doesn't work as capture groups don't nest using {m, n}