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

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Date:   Tue, 06 Oct 2020 09:53:32 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Changbin Du <changbin.du@...el.com>,
        linux-kernel@...r.kernel.org,
        Markus Heiser <markus.heiser@...marit.de>
Subject: Re: [PATCH] scripts: kernel-doc: allow passing desired Sphinx C
 domain dialect

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@...nel.org> 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}