Credit: https://www.w3.org/WAI/WCAG21/Techniques/#pdf
- PDF1: Applying text alternatives to images with the Alt entry in PDF documents
- PDF2: Creating bookmarks in PDF documents
- PDF3: Ensuring correct tab and reading order in PDF documents
- PDF4: Hiding decorative images with the Artifact tag in PDF documents
- PDF5: Indicating required form controls in PDF forms
- PDF6: Using table elements for table markup in PDF Documents
- PDF7: Performing OCR on a scanned PDF document to provide actual text
- PDF8: Providing definitions for abbreviations via an E entry for a structure element
- PDF9: Providing headings by marking content with heading tags in PDF documents
- PDF10: Providing labels for interactive form controls in PDF documents
- PDF11: Providing links and link text using the Link annotation and the /Link structure element in PDF documents
- PDF12: Providing name, role, value information for form fields in PDF documents
- PDF13: Providing replacement text using the /Alt entry for links in PDF documents
- PDF14: Providing running headers and footers in PDF documents
- PDF15: Providing submit buttons with the submit-form action in PDF forms
- PDF16: Setting the default language using the /Lang entry in the document catalog of a PDF document
- PDF17: Specifying consistent page numbering for PDF documents
- PDF18: Specifying the document title using the Title entry in the document information dictionary of a PDF document
- PDF19: Specifying the language for a passage or phrase with the Lang entry in PDF documents
- PDF20: Using Adobe Acrobat Pro’s Table Editor to repair mistagged tables
- PDF21: Using List tags for lists in PDF documents
- PDF22: Indicating when user input falls outside the required format or values in PDF forms
- PDF23: Providing interactive form controls in PDF documents