unstructured

ab29de8d - Rfctr: Refactor PPTX partitioning to more closely align with how pptx documents are structured

Rfctr: Refactor PPTX partitioning to more closely align with how pptx documents are structured This refactor solves a problem or two, the big one being recursing into group-shapes to get all shapes on the slide, but mostly lays the groundwork to allow us to refine further aspects such as list-item detection, off-slide shape detection, and image-capture going forward.