Variable: DEFAULT_INSPECT_SLIDE_SIZE

const DEFAULT_INSPECT_SLIDE_SIZE: PptxSlideSize

The size reported for a deck that declares no p:sldSz: the 10in × 7.5in PowerPoint opens such a deck at, which is also what the script converter assumes. It was the widescreen size, so the two readers disagreed about the same deck. See ABSENT_SLIDE_SIZE_EMU.