BETA release

L_01 Unordered list

PDF127, PASS

Use case(s): List

Last updated on November 20, 2025

Description

The objective of this technique is to show how to tag an unordered (bulleted) list, including selection of a semantically appropriate ListNumbering value.

Download(s)

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

UA1_Tpdf-L_01.pdf

Test(s)

Expected Results

Checks #⁠1 to #⁠5 are all true.

Procedures

Check that all fundamental techniques are followed.
Check that all real content that the author intends as a list is tagged as a list (L).
Check that L tags are not used where the author does not intend a list.
Check that the required substructures (LI, Lbl, LBody) of L tags are present and semantically appropriate.
If the ListNumbering attribute is used on any L tags in an unordered list, check that it is set to "None", "Circle", "Disc" or "Square", as appropriate for the content.

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
09-002
09-005
16-003

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-L_01

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