BETA release

L_F01 Unordered list with incorrectly set ListNumbering attribute

PDF-F31, FAIL

Use case(s): List

Last updated on November 20, 2025

Description

This example demonstrates a failure condition that occurs when an unordered list (bulleted list), using solid circles for the list item labels, does not have the ListNumbering attribute set to either "None" or "Disc".

Download(s)

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

UA1_Tpdf-L_F01.pdf

Test(s)

Expected Results

Check #⁠1 is false.

Procedures

If the ListNumbering attribute is used on one or more L tags in an unordered list, check that it is correctly set to "None", "Circle", "Disc" or "Square".

Application to WCAG 2.x

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

1.3.1 Info and Relationships

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

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The technique finder for this Technique is: UA1_Tpdf-L_F01

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