BETA release

L_F04 Ordered list with ListNumbering attribute incorrectly set to “Disc”

PDF-F34, FAIL

Use case(s): List

Last updated on November 20, 2025

Description

This example demonstrates a failure condition that applies when an ordered list (numbered list) does not have a ListNumbering attribute, or the ListNumbering attribute is set incorrectly.

In this case, the labels for the list items are Arabic numbers, therefore the ListNumbering attribute should be set to "Decimal" however, it is set to "Disc".

Download(s)

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

UA1_Tpdf-L_F04.pdf

Test(s)

Expected Results

Check #⁠1 is false.

Procedures

Check that the ListNumbering attribute on all L tags in ordered lists is correctly set to "Decimal".

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
16-002

Accessibility Technique Support Finder

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The technique finder for this Technique is: UA1_Tpdf-L_F04

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