In this blog post, we dive into a common challenge faced by PDF accessibility experts: the inappropriate use of a figure structure element, particularly when using the PAC 2021 tool for checking PDF/UA compliance. Follow our step-by-step guide on how to identify and rectify this issue.
Video Guide
Understanding the Figure Structure Element in PDF Accessibility
The figure structure element in PDFs plays a crucial role in ensuring that graphical content is accessible. This element is used to mark up diagrams, images, and other non-textual components so that they can be correctly interpreted by assistive technologies like screen readers. However, misusing or incorrectly tagging these elements can lead to accessibility barriers, hindering the document’s compliance with PDF/UA standards.
Identifying the Issue with PAC 2021
PAC (PDF Accessibility Checker) 2021, widely used for evaluating PDF document accessibility, checks documents against the PDF/UA standard and provides feedback on potential accessibility issues. In the video guide, the PAC 2021 tool flagged “a possible inappropriate use of a figure element.”
Diagnosing the Problem
Start by right-clicking the figure tag, choosing ‘Properties’, and then ‘Edit Tag’ to access the tag element. Focus on the first dictionary item within this tag, especially the ‘placement’ attribute. Initially, the attribute is set to ‘placement start’, which is incorrect for the context.
Resolving the Issue for PDF/UA Compliance
To rectify the issue, change the placement attribute from ‘start’ to ‘inline’, save the changes, and retest with PAC 2021. If the error persists, modify the attribute again, switching from ‘inline’ to ‘block’. After saving the document, run the PAC 2021 tool to confirm this resolves the error.
Why is Correct Tagging Crucial?
Correctly tagging figure elements is vital for several reasons. First, it presents the content in a logical and meaningful sequence for screen reader users. Second, it conveys the right context and function of non-textual elements. Incorrect tagging can misrepresent the content, causing confusion or misinformation.
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Key Takeaways and Best Practices for PDF/UA Compliance
- Always check the placement attributes of figure elements in PDFs to ensure they align with the content’s context and purpose.
- Utilize tools like PAC 2021 to identify and rectify accessibility issues in PDF documents.
- Regular updates and revisions of your documents are crucial to maintain accessibility standards.
- Understanding the intricacies of PDF/UA compliance is essential for creating fully accessible documents.
Let me be your champion for inclusion. I offer tailored solutions (and self-paced courses!) to ensure your documents meet and exceed compliance expectations. For more detailed insights, tutorials, and in-depth discussions on accessibility and related topics, don’t forget to check out my YouTube channel: The Accessibility Guy on YouTube. Subscribe for regular updates!
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