A layout annotation. plotly.py (Plotly Express facets, make_subplots
row/column/subplot titles) emits facet labels (e.g. "sex=Male") as
annotations with xref: 'paper' / yref: 'paper' positioned via paper
coordinates; hand-authored charts may instead use axis-domain references
such as 'x2 domain'. Both shapes are recognised by the extractor.
A layout annotation. plotly.py (Plotly Express facets,
make_subplotsrow/column/subplot titles) emits facet labels (e.g. "sex=Male") as annotations withxref: 'paper'/yref: 'paper'positioned via paper coordinates; hand-authored charts may instead use axis-domain references such as'x2 domain'. Both shapes are recognised by the extractor.