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Adobe Acrobat - How To Create Accessible Adobe® PDF Files Booklet
Using the Accessibility Checker
Once you have created a tagged Adobe PDF, you are ready to verify the files and optimize them using the Accessibility Checker and the Tags palette in Acrobat 5.0.
To verify the files and fix them if necessary:
- Open the tagged Adobe PDF file in Acrobat. 2 Choose Tools > Accessibility Checker. 3 Select the options as shown in the dialog box below and click OK.
If the Accessibility Checker finds any potential problems, it will display a dialog box explaining what they are and will put comments into the Tags palette to indicate what parts of the document may have problems. This will make it easier to find and fix the problems. Most potential problems can by fixed by using the Tags palette in Acrobat to add or modify the structure of the tagged Adobe PDF file, as described in "Using the Tags Palette".
Note that the Accessibility Checker might report problems with elements in a tagged Adobe PDF file that are things you can safely ignore. For example, it might report that there are images in the file that do not have alternate text. However, if these images are just the decorative borders on the page, they would be unnecessary for someone with a vision impairment, and would not require alternate text. Similarly, the Accessibility Checker might report that a running header is not part of the structure tree. Again, you could leave this as is, since you don't need this information to be vocalized by a screen reader.
If a form field is missing descriptive text, you can fix it with the form tool as described in "Working with Adobe PDF Forms".
When you're done, test the file with a screen reader as described in "Testing Your Adobe PDF Files for Accessibility".
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