2/14/2024 0 Comments Pdf readingIn the first example, the PDF’s tags are arranged in a coherent order, and JAWS reads the content as you would expect it to. The following video demonstrates the difference between the two reading orders. Correcting a PDF’s reading order for all AT users For them, a PDF’s reading order must also be set correctly in Acrobat’s Order Panel and/or Content Panel (the non-tags’ reading order). However, some, such as the popular literacy software Read&Write Gold, do not. This is fine for most ATs such as JAWS, SuperNova or NVDA that take their reading order from a PDF’s tags. Specifically, it states:ħ.1 General …Content shall be marked in the structure tree with semantically appropriate tags in a logical reading order… PDF/UA 1.0 specifies that a PDF’s reading order (or ‘logical order’) should be set in the document’s tags (or ‘structure tree’). In this post we will look at the importance of setting a PDF’s tags’ reading order, which is required under PDF/UA, as well as its non-tags’ reading order (explained further below) which is not required for PDF/UA compliance. Here, and in a series of forthcoming posts, we will provide examples of how and why this is so. Sometimes it will be necessary for document authors to go considerably further than simple standards compliance in order to ensure that a PDF is accessible to all assistive technology (AT) users. However, it is important to understand that a PDF/UA-compliant document does not necessarily equate to a fully accessible PDF. If all PDF authors worked to it, the quality of PDFs across the board would rise dramatically. PDF/UA is the ISO standard for PDF accessibility. 8 January 2018 | Ted Page Part 1 of: why a standards-compliant PDF is not necessarily the same thing as an accessible PDF
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