by Leon | Feb 18, 2025 | Generally, Accessible PDF
Matterhorn Protocol (V 1.1) The Matterhorn Protocol 1.1 is a list of concrete tests that, if the result is positive, ensure the conformity of a PDF to ISO 14289-1 (PDF/UA-1). When checking a PDF, you do not have to go through the entire...
by Leon | Feb 18, 2025 | Generally, Accessible PDF, PAC solutions
Most PDF Accessibility Checker (PAC) error messages are relatively easy to understand. However, it is not always clear how to fix these errors. For this reason, here is an overview of the most common error messages and the...
by Leon | Feb 18, 2025 | Generally, Accessible PDF, How do you tag…?
Theory on the headings of an accessible PDF What specifications does PDF/UA-1 (ISO 14289-1) make for headings of an accessible PDF? PDF/UA-1 (ISO 14289-1) distinguishes between documents with so-called "weak" and "strong" structuring. Since...
by Leon | Feb 18, 2025 | Generally, Accessible PDF
As already mentioned in other articles, the PAC 2024 Checker only checks the machine-verifiable conditions of the Matterhorn Protocol and a large part of the WCAG criteria. The PAC 2024 cannot check the remaining conditions, as these require manual...
by Leon | Feb 18, 2025 | Generally, Accessible PDF
The PAC 2024 Checker is used by agencies and service providers who are commissioned to create accessible documents, as well as by the clients who check the documents provided. During the creation of accessible PDF documents...
by Leon | Feb 18, 2025 | Generally, Accessible PDF
As you learned in the previous post about the guidelines and laws, a PDF must meet certain requirements to be considered accessible. Many of these requirements are machine-checkable (the rest must be checked manually). The PAC...
