From Synfig Studio :: Documentation
SYNFIG_ENABLE_WIDTH || If set, this enables the (mostly broken) Width Tool - Still useful ?
SYNFIG_ROOT || Specifies the path to the synfig resources. - Lack of Mac/Win path exemple.
From SVN r1628. references - must be removed ?
Report from terminology sprint --D.j.a.y (talk) 08:26, 12 February 2013 (UTC)