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G4_F05 Order of content within a marked content sequence incorrectly set

PDF-F14

Fail FAIL

Use case(s): Fundamental 4: Logical Content Order

Last updated on January 3, 2025

Description

This example demonstrates a failure condition in which the order of content within a marked content sequence does not match the author’s intent.

Often, when text is rotated, the content order within the marked content sequence is incorrect, like in this example. Even though English is written top to bottom and left to right, the text in this example should be ordered strictly left to right.


Download(s)

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

Test(s)

Procedures

  1. Check that the logical content order of the tags matches the author’s intent.
  2. Check that the order of the content within each tag matches the author’s intent.

Expected Results

Although check #⁠1 is true, check #⁠2 is false.


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 check09-001

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-G4_F05

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

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