From owner-svn-ports-head@FreeBSD.ORG  Mon Aug 12 13:42:24 2013
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Date: Mon, 12 Aug 2013 13:42:24 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Alex Dupre <ale@FreeBSD.org>
Subject: Re: svn commit: r324628 - in head/ports-mgmt/portconf: . files
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References: <201308121305.r7CD58rT096600@svn.freebsd.org>
 <20130812132210.GA24822@FreeBSD.org> <5208E230.8010907@FreeBSD.org>
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On Mon, Aug 12, 2013 at 03:25:04PM +0200, Alex Dupre wrote:
> Alexey Dokuchaev ha scritto:
> > I'm a bit worried if this change could potentially allow OPTIONS knobs
> > themselves have -/+ chars in their names.  This would be unfortunate, as
> > there are plans for future OptionsNG enhancements that are making use of
> > these chars for special purposes.
> 
> Make an example, I don't follow it completely. What this change does is
> simply allow '-' char in the knob name and support '+=' in addition to '='.

https://docs.google.com/presentation/d/1alWQ_dkYUoBI1BKJWI9bjQgOmtIKg5DtmCragjuOspI/edit?usp=sharing

Pages 8-11.

./danfe