An alt text (short for alternative text) describes a non-text element, like an image or a graphic. The invisible text can be read and displayed by software, especially AT. In this post we’re looking how to add such alt texts in Microsoft Word, Adobe InDesign and Adobe Acrobat.Continue reading "Add an alt text"
In InDesign CC version 13.0, there are serious problems with tagging anchored objects and the use of the “Article” panel as described in “Defining logical reading order in InDesign”.Continue reading "Anchored objects not tagged"
PDF tags are not only needed to give content a semantic meaning, but also to determine the logical reading order. In InDesign, the order of the tags can be defined so that the logical reading order is already correct for the generated PDF.Continue reading "Defining logical reading order in InDesign"
In InDesign you can define heading tags manually through the paragraph style settings. For tables, lists and footnotes you’ll automatically get the appropriate tags if you use the available tools correctly.Continue reading "Defining PDF tags in InDesign"
In the document properties of the PDF you can define whether the document is displayed with the file name or the document title. This appears in the window title bar of Acrobat (Reader) as well as AT uses this kind of information.Continue reading "Document title isn’t set"
If an undefined or ordered list is used it needs to be tagged as list as well. The list tags will be automatically generated while exporting as PDF. However, you have to use the correct list tools in Microsoft Word or Adobe InDesign.Continue reading "List is not tagged as list"
In order for a PDF document to be technically accessible, the PDF/UA identifier (metadata) must be set.Continue reading "PDF/UA identifier is missing"
To ensure that the structure made with headings can always be understood, the heading levels mustn’t be skipped. This means <H1> mustn’t be followed directly by <H3>. However, after a <H3> another <H1> can follow, because a new chapter begins for example.Continue reading "Skipped heading levels"
One of the main tools for structuring documents is the use of headings. On a visual level, headlines are usually marked with larger font sizes or bolder font styles.Continue reading "Structure with the help of multi-level headings"
Users who need to use AT are not only dependent on semantically correct tags. It is also important to exclude decorative and irrelevant objects from the output. You can achieve this by marking such elements as artifacts.Continue reading "Unimportant and decorative objects as artifact"