createSvgTree method
Generates a lightweight in-memory SVG-like tree.
Implementation
@override
SvgTreeNode createSvgTree(ChantContext ctxt, [ChantLayoutElement? source]) {
var attributes = getSvgAttributes(ctxt, source);
if (source != null) attributes['data-source'] = source;
return QuickSvg.createSvgTree("use", attributes);
}