Opt-in extra : typed parse/render of the deep
chart:*element tree — title/subtitle/footer, legend, plot-area, axis, categories, grid, series, domain, data-point, mean-value, regression-curve, error-indicator, stock-gain/loss/range, wall/floor, label-separator, equation, data-label.
Module chartTyped | Source packages/front/office/odf/src/extra/chart-typed.js
Helpers
parseChart(el) / renderChart(obj), hydrateChart(c) /
dehydrateChart(c).