The order extracted glyphs are given in.
public enum TextReadingOrder
ISO 32000-2 §14.8.2.5.1: page content order and logical content order.
kind:method, kind:property, kind:ctor. Press Esc to clear.ContentPage content order: the order the content shows the glyphs in. The structure tree is not consulted.StructureLogical content order when the page is tagged: the depth-first order of the structure tree (§14.7.2), the glyphs of each content item in the order the content shows them. Content of a tagged page that is not in the tree is an artifact (§14.8.2.2.2). A page whose content holds no content item of the tree keeps page content order.