Task 7: Create tagged PDF file

Although Adobe InDesign features a number of built-in options for exporting a tagged PDF, MadeToTag offers its own functionality along the same lines.

As part of this process, MadeToTag performs a series of unique processing steps which are not available in Adobe InDesign in the same form:

Among other things, it resolves certain errors in InDesign’s export function for tagged PDFs and optimizes the exported tagged PDF  for example, by removing empty paragraphs from the content structure, marking all objects not contained within the content structure as artifacts, and setting a document-wide language.

In MadeToTag’s Create Tagged PDF File window, you can specify the following optional settings:

  1. Select the Page range to be exported.
  2. Export the document as Spreads (rather than as pages).
  3. With the Optimize anchored frames option, MadeToTag prevents rastering of text in complex anchored frames during export, as will happen with the standard settings activated. Rastering results in the loss of text content and tag information. MadeToTag removes the anchoring during export and simultaneously places the frames in their original positions.
  4. Optimize table of contents. This option improves tagging for the table of contents generated by Adobe InDesign.
  5. You can specify whether to export the PDF in line with the accessible PDF/UA standard only or also as a PDF/A-2a for document archiving. PDF/A-2a files are also PDF/UA compliant.
  6. View PDF after export lets you specify whether to open the file in a PDF viewer after export  by default, this is enabled.
  7. Image handling lets you specify a range of image data settings (target resolution, type and quality of compression.)
  8. Optimize form fields lets you select a specific form field template PDF file (for more on this, see the next chapter.)
  9. Here you can specify whether MadeToTag should output a single file (Front doc.) or a selectable InDesign Book.
  10. Click Create PDF to export the tagged PDF as a PDF/UA or PDF/A-2a file in line with your chosen settings.

Optimize form fields

If Optimize form fields is enabled, a dedicated form field template PDF must be selected. MadeToTag will use this template PDF.

For each form field in this template PDF with the same name as a form field in the InDesign document, the properties of this template PDF form field will be copied over to the corresponding form field for the InDesign PDF file to be exported.

To create a template PDF, it is advisable to export it once from the InDesign document together with the required form fields.

Next, open the exported PDF in Adobe Acrobat Pro and apply the form field tool with the desired settings. The optimized PDF document can then be saved as a PDF template.

To find the template PDF folder, click on the drop-down menu next to the “Optimize form fields” option and select Manage. This will open the folder containing the template PDFs.

When adding form fields to a PDF file with the goal of using the PDF as a template, you can use all available settings within Adobe Acrobat Pro (from text design to text field design options such as the maximum number of characters, actions, formatting options, validation or formulae).

The only properties that will never be overwritten by MadeToTag are the form field name and its position on the page. All other properties will be derived from the template PDF.

After exporting a tagged PDF, it is advisable to check the content structure of the file one more time using the free callas pdfGoHTML plug-in. callas pdfGoHTML requires Acrobat 9, X or XI on Mac or Windows. It was developed as a joint project between callas software and axaio software and is available to download for free at www.callassoftware.com.

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