Check CMap

Belongs to

What it does

Checks if a PDF contains an embedded CMap, and if so, whether its name is consistent with any matching external file. This is necessary for PDF/A compliance.

About CMaps

CMap (Character Map) is a mapping of character codes to an ID. This ID is used to map the characters to the correct glyphs.

CMaps can be external or embedded:
  • When the CMap is external, it is referenced in the PDF by a name.
    Note: Some CMaps are shipped (as external files) along with PitStop.
  • When the CMap is embedded, it's often also referenced inside the PDF.
Parent topic: Text
Parent topic: Checks
Parent topic: C (Part 2: Check - Crop)

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