<chart:chart> in the object's sub-document, read through the same picture as the DOCX leg: series values by cell range out of its own local-table, colours from the series style, bounds from the axis style.
<chart:chart> in the object's sub-document, read through the same picture as the DOCX leg: series values by cell range out of its own local-table, colours from the series style, bounds from the axis style.