rename svg.poly => svg.Poly. (It is a base class, not a builder function.)
remove no-longer-needed requires of svg.transform.
now that transform DSL is inlined into svg.Element, no need for svg.transform.
refactor: rename svg.test.circle => svg.test.Circle (compare svg.Circle).
refactor: rename svg.test.desc => svg.test.Desc (compare svg.Desc).
refactor: rename svg.test.ellipse => Ellipse (compare svg.Ellipse).
refactor: rename svg.test.g => svg.test.G (compare svg.G).
refactor: rename svg.test.polygon => Polygon (compare svg.Polygon).
refactor: rename svg.test.polyline => Polyline (compare svg.Polyline).
refactor: svg.test.radialGradient => RadialGradient (cf. svg.RadialGradient).
refactor: svg.test.linearGradient => LinearGradient (cf. svg.LinearGradient).
refactor: rename svg.test.path => svg.test.Path (compare svg.Path).
refactor: rename svg.test.rect => svg.test.Rect (compare svg.Rect).
refactor: rename svg.test.stop => svg.test.Stop (compare svg.Stop).
refactor: rename svg.test.textArea => svg.test.TextArea (compare svg.TextArea).
refactor: rename svg.test.svg => svg.test.Svg (compare svg.Svg).
refactor: rename svg.test.line => svg.test.Line (compare svg.Line).
refactor: rename svg.test.text => svg.test.Text (compare svg.Text).
refactor: rename svg.test.title => svg.test.Title (compare svg.Title).
refactor: rename svg.test.transform => Transform (compare svg.Transform).