From owner-svn-ports-head@FreeBSD.ORG  Mon Aug 12 13:22:10 2013
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Date: Mon, 12 Aug 2013 13:22:10 +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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On Mon, Aug 12, 2013 at 01:05:08PM +0000, Alex Dupre wrote:
> New Revision: 324628
> URL: http://svnweb.freebsd.org/changeset/ports/324628
> 
> Add dash (-) and plus (+) symbols to allowed characters in variable names:
> 
> Dash symbols are required when using OptionsNG and $UNIQUENAME_SET/UNSET.
> e.g. apache22-event-mpm_SET=...
> 
> Plus symbols can be used to extend existing variables. e.g. OPTIONS_SET+=...

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.

./danfe