BETA release
G4_F03 Content in columns incorrectly ordered
PDF-F12
FAIL
Use case(s): Fundamental 4: Logical Content Order
Last updated on January 3, 2025
Description
This describes a failure condition where a multicolumn document is tagged in a way that does not match the author’s intent. Accessibility requires that content is tagged with a logical content order that reflects the author’s intent. In this example, the author intended columns but the logical content order does not reflect columns.
Download(s)
These minimal examples are designed to express a single Technique. Effective use requires software that supports Tagged PDF.
Test(s)
Expected Results
Check #1 is false.
Procedures
- Check that the logical content order of the tags matches the author’s intent.
- Check that the order of the content within each tag matches the author’s intent.
Application to WCAG 2.x
This Technique addresses the following WCAG 2.x Success Critieria:
Related Web Accessibility Initiative (WAI) PDF Techniques
W3C WAI’s PDF Techniques were developed in the 2000s to support the launch of WCAG 2.0. This Techniques may be used as a replacement for the following W3C Technique(s):
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:
01-006- 09-001
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_F03
NOTE: the “technique support finder” concept was introduced in January 2025; please allow time for adoption.
Related Techniques
PDF111 All use cases
Visit the PDF Accessibility LWG’s public GihHub repo
List of All Techniques