Checkpoint 10.5 - Clarify wording to indicate relative position in the document. Add to issues list - What to do with image with no alt text that's in a link.
Worst case is an image map.
Clarify that checkpoint is for native handling of sound. Review proposal for techniques for accessing content. Look at techniques document. Technique 3.3 - Propose outline of techniques for user control of style Techniques 3.3. Checkpoint 10.5 - Clarify wording to indicate relative position in the document.