31-022 The Differences array in the Encoding entry in a non-symbolic TrueType font dictionary contains one or more glyph names which are not listed in the Adobe Glyph List.

A Differences array names glyphs that are not in the Adobe Glyph List.

Checkpoint

31: Fonts

ISO 14289-1 (PDF/UA-1) clause

7.21.6-6

Test type in the protocol

Machine-testable

Applies to

A single object

How AxisRemedy handles it

Tested by the app. AxisRemedy tests this condition itself. For each document it records passed, failed or not applicable, and for every failure the object and the page.

What the check covers

Tests non-symbolic simple TrueType fonts: every name in /Differences must be in the Adobe Glyph List (names of the form uniXXXX or uXXXX..XXXXXX are accepted).