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G2_F01 Special character missing Unicode mapping

PDF-F2

Fail FAIL

Use case(s): Fundamental 2: Text

Last updated on January 3, 2025

Description

This example demonstrates the failure condition that applies when Unicode mapping for a character is missing.


Download(s)

These minimal examples are designed to express a single Technique. Effective use requires software that supports Tagged PDF.

Test(s)

Expected Results

Checks #⁠1 through 3 are all false.

Procedure

  1. Check that the related characters are present as extractable characters for content intended to be consumed as text.
  2. Check that Unicode can be derived for any text content.
  3. Check that the extractable characters match their visual appearance.

Application to WCAG 2.x

This Technique addresses the following WCAG 2.x Success Critieria:

Matterhorn Protocol

The Matterhorn Protocol 1.1 provides an algorithm for conformance with PDF/UA-1. Matterhorn checkpoint(s) (human or machine) relevant to this use-case:

  • Human check08-001
  • Human check08-002
  • Machine check10-001
  • Machine check31-027
  • Machine check31-028
  • Machine check31-029

Accessibility Technique Support Finder

Accessibility Technique Support Finders allows you to quickly locate software and services that claim to support a given Technique. Simply search the internet with a given technique’s finder together with the name of your product.

The technique finder for this Technique is: UA1_Tpdf-G2_F01

NOTE: the “technique support finder” concept was introduced in January 2025; please allow time for adoption.

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