Module ocg 

Optional Content Group default visibility. Optional Content Groups (OCG) — default visibility from the catalog.

ISO 32000-1 §8.11: /OCProperties / /D (default configuration) lists which OCGs are ON/OFF. Extraction should omit text whose OCG is off.

Structs

OcgVisibility

Default OCG visibility derived from /Catalog → /OCProperties → /D.

Functions

load_ocg_visibility

Load OCG default visibility from the document catalog.